21801d_Japanese.book

1 Mb/s Ê CAN V2.0B În : - 0 8 ÓÏÒ ÊÒ ÑÔÏ ÖÒ - ÆÍËÊÒ ÑÂÖÕ ÒÔÖ Õ ÓÒÔÎ, ÔÑÐÉÔÏÖÑÇ : - ÊÓÒÔÎÉÂÕÒÑ Ñ - Ê 29 ÓÒÒÔÏÖÑ - Ê 29 ÓÒÒÔÑÐ Ê Ò ÑÓÏÒÊÒ ÑÓÏÒÔÏÖÑÎ Ò ÑÔÖ Õ Ê~ÓÒÔÎÉÂÂÎÔ ÒhÇ ~ SPI Ï Ñ ÔÏ Ñ (10 MHz): - SPI Õ ÒÊ 0,0 ÌÉÊ 1,1 Ö ÑÕÒÒÕ ÒÊÍÍÕÒÑ Ñ~Î Ê ÉÇÉÈÌÈÂ vhêêðöòðó : - ÊÒÓÏÑÊÐÖÒÐÉÈÉh Start-of-Frame (SOF) ÊÍÍ SOF ÊÕÓ ÑÇh : - ÑÏÕÑÖÒÒÔ ÑÊÔÖÒÐÖÇÂÆÍ ÆÊÊÓÑÎÈÓÑvÎsÆ ÊÊÆÌÈÂ ËÍÏÓ ÔÖÇÊÍ}ÌÓ ÓÒÔÎÔÖÓ ÊvÊÍÆÊh : - ÓÒÔÎÊÍ}Ì - Ê Request-to-Send (RTS) Ó ÊÊ h : - ~ÓÒÔÎÊ~uÊÓ - Ê y CMOS ÒÐÓÖÑ : - 2.7V 5.5V - 5mA (typical) - ÑÑ ÓÏ 1µA (typical)( ) vêîðô Ò : - (I): -40 C +85 C - (E): -40 C +125 C u MCP2515 52+ Ï Ñ ÔÏ ÑÑÑ ÒÎÖ CAN Ð ÒÖ Ö ÁÔÏÐÖÒÒÔÒÐÓÖÑ MCP2515 ÊÂCAN, Ó ÑÕ 2.0B ÎzÈÍÑÑ ÒÎÖ ÊÐ ÒÖ ÖÏÖÎÓÒÒÖ Ð (CAN) Ð ÒÖ ÖÉ ÈÂÈÈÉÉÒ ÑÆÍËÖÕ ÒÔÖ Õ Ê~ÎsÆÇÉÇÉÇÌÈÂMCP2515 ÊÂ Ê ÔÑÐÉ ÊÔÏÖÑÎÉÉÆÉÂu ÊÕÒÑ ÑÎËÍÆmÈÊÊÍÍÌÈÂÇÍÊÍ ÍÔÑÒ MCU ÊÏ Ó ÔÒÒylÎÍÈÌÈÂ MCP2515 ÊÊÑÖÎÖ}Ï Ñ ÔÏ Ñ (SPI) ÊÍÉÉÂÔÏÐ (MCU) ÉÏ Ñ ÔÏ ÑÈÌÈÂ ÓÒÐ ÑÑÏÔ 18-Lead PDIP/SOIC TXCAN RXCAN CLKOUT/SOF TX0RTS TX1RTS TX2RTS 1 2 3 4 5 6 OSC2 7 OSC1 8 Vss 9 20-LEAD TSSOP TXCAN RXCAN CLKOUT/SOF TX0RTS TX1RTS NC TX2RTS OSC2 OSC1 VSS 1 2 3 4 5 6 7 8 9 10 MCP2515 MCP2515 18 17 16 15 14 13 12 11 10 20 19 18 17 16 15 14 13 12 11 VDD RESET CS SO SI SCK INT RX0BF RX1BF VDD RESET CS SO SI NC SCK INT RX0BF RX1BF 2005 Microchip Technology Inc. Preliminary DS21801D-page 1

NOTES: DS21801D-page 2 Preliminary 2005 Microchip Technology Inc.

ÒÓÏÑu ÁMCP2515 ÊÑÑ ÒÎÖ CAN Ð ÒÖ ÖÉÂ CAN ÓÑÉÏ Ñ ÔÏ ÑÈÍuÊÆÍÎ ÊÈÍÉÌÊ ÈÍÌÈÉÂMCP2515 Ê ÊÔÖÒÐÎ ÊÈÌÈÂÒÓÏÑÊ ÉÊuÔÖÒÐÉÈÍÉÆÌÈÂ: 1. CAN ÕÑÕ ÖÊÊÂCAN ÔÖÒÐÖÏ Ñ ÂÔÑÐÂÔÏÖÑÂ~ÂÓÒÔÎÇ ÌÍÉÆÌÈÂ 2. ÖÑÒÐÉÖÑÑÑÊÂÒÓÏÑÊÉ Õ ÒÎÌÍÊÊÍÍÌÈÂ 3. SPI ÔÖÒÐÖÔÖÒÐ ÁÇÊÒÓÏÑÎÉÉŠÑÑÒÕÊtÎ ÊÈÌÈÂ %#0 ÕÑÕ Ö ÁCANÕÑÕ ÖÊÂCANÓÑÉÕÒÑ ÑÎ~ ÈÍÉÌÊÈËÉÊhÎÈÌÈÂÕÒÑ ÑÊÂ ÌÈÊÊÕÒÑ ÑÓÒÔÎÉÖÑÑÑ ÊÖ ÒÈÍÍÇÉÉ~ÈÍÌÈÂSPI Ï Ñ ÔÏ ÑÉÖÑÑÑÓÒÒÎÈÍÇÂÌ ÉÊ~ÏÓ ÔÖÓ ÎÆÇÉÉ~ÇzÈÍ ÌÈÂÌÏÖ ÊÊÖÑÑÑÎwÌÈÇÉ ÉÒÏÒÐÈÍÇÉÇhÊÊÍÌÈÂCAN ÓÑÊ ÈÍÉÈËÉÊÕÒÑ ÑÊÂÏÖ ÒÏÒÐÈ ÍÉÇÍÂ ÉÊÖÑÑÑÊÊÉÉÊÍ}ÌÇ ÊÆÇÎÈÍÉÌÂÕ Ð fêôïöñéê ÎÈÌÈÂ ÖÑÒÐ ÁÖÑÒÐÔÖÒÐÊÂÉÎÇÈÉ ÌÊÊÔÖÒÐÉÏ Ñ ÔÏ ÑÈÍÇÉÉÂ MCP2515 ÊÑÒÒÎÒÔÉÎÈÌÈÂ ÁÍ}ÌÓ ÊÂÇÊÑÑÒÕ ÎÈÌ ÈÂÖÑÑÑÊÊÊÍ}ÌÓ Í}ÌÓ ÉÊ ÇÈÍÉÆÌÈÂÇÍÊ ÍÍÂÕÒÑ ÑÇÈÍÂÓÒÔÎÊÊ ÉÉÊÈÍÉÇÉÎsÈÌÈÂÓ ÊÏÔ ÑÕ ÉÍÍÌÈÂÍ}ÌÓ ÊÂ SPI Ï Ñ ÔÏ ÑÉÎÐÑÑÈÍÍ ÑÒ ÑÑÖÑ ÑÑÉÊÂÕÒÑ ÑÇÈÍÉÇÉÎ ÌÍÉÌÊÆÇÉÇÉÇÌÈÂ ÁÈÍÊÂ Ê~ÖÑÑÑÊÆÈÍÇÊÖ ÒÈ ÍÉÕÒÑ ÑÊ~ÎzÈÍÉÌÊ Ó Ç ÈÍÉÆÌÈÂÇÍÍÊÓ ÊÂÕÒÑ Ñ~ ÎzÈÍÉÌÊÏÔÑÕ ÉÈÉÌÍÍÌÈÂÌ ÉÌÉÇÊzÊ SPI Ï Ñ ÔÏ ÑÉÖ ÑÑÑÎÎÐÑÑÈÍÇÉÌsÆÇÉÇÉÇÌÈÂ 52+ ÔÖÒÐÖÔÖÒÐ ÁÒÓÏÑÉMCUÊÏ Ñ ÔÏ ÑÊSPIÏ Ñ ÔÏ ÑÉÊÉÉÆÌÈÂÊ SPI Ö ÒÖÏÒÐ Ô ÒÊ SPI ÐÔ ÒÎÆÉÆÇÉÉÂÈË ÉÊÖÑÑÑÊwÌÇÎÈÍÇÉÇÉÇÌÈÂ ÔÖÒÐ CAN ÕÑÕ Ö RXCAN TXCAN CAN ÔÖÒÐÖ Ï Ñ TX É RX ÓÒÔÎ ÔÑÐÉÔÏÖÑ SPI CS SCK SI SO SPI ÓÑ ÖÑÒÐ OSC1 OSC2 CLKOUT Á É Í}Ì ÖÑÑÑ INT RX0BF RX1BF TX0RTS TX1RTS TX2RTS RESET 2005 Microchip Technology Inc. Preliminary DS21801D-page 3

ŠÑÑÒÕÊt Ó Ò Ð ÒÖ Ö SPI MCP2515 Ó Ò Ð ÒÖ Ö SPI MCP2515 Ó Ò Ð ÒÖ Ö SPI MCP2515 TX RX TX RX TX RX XCVR XCVR XCVR CANH CANL s Ó Êw PDIP/SOIC Ó TSSOP Ó I/O/P ÑÏÔ wá Ó h TXCAN 1 1 O CAN ÓÑËÊ~Ó RXCAN 2 2 I CAN ÓÑÇÍÊÓ CLKOUT 3 3 O ÔÖÐÖÔÔÖÇÐÖÒÐ Ó Start-of-Frame SOF) TX0RTS 4 4 I ~ÓÒÔÎ TXB0 ~uâ 100 kω É VDD ÊÔÖÎÒÔ TX1RTS 5 5 I ~ÓÒÔÎ TXB1 ~uâ 100 kω É VDD ÊÔÖÎÒÔ TX2RTS 6 7 I ~ÓÒÔÎ TXB2 ~uâ 100 kω É VDD ÊÔÖÎÒÔ ÊÒÏÑÑÖ 100 kω É VDD ÊÔÖÎÒÔ ÊÒÏÑÑÖ 100 kω É VDD ÊÔÖÎÒÔ ÊÒÏÑÑÖ 100 kω É VDD ÊÔÖÎÒÔ OSC2 7 8 O ÐÖÒÐ OSC1 8 9 I ÐÖÒÐ ÐÖÒÐ VSS 9 10 P É I/O Ó RX1BF 10 11 O ÓÒÔÎ RXB1 Í}ÌÓ ÒÏÑÑÖ ÒÏÑÑÖ RX0BF 11 12 O ÓÒÔÎ RXB0 Í}ÌÓ ÒÏÑÑÖ INT 12 13 O Í}ÌÓ SCK 13 14 I SPI SI 14 16 I SPI SO 15 17 O SPI CS 16 18 I SPI RESET 17 19 I ywòóïñöñòò VDD 18 20 P ÖÑÒÐÉ I/O Ó NC 6,15 ÑÏÔ + 1 2 ÒÏÑÑÖ DS21801D-page 4 Preliminary 2005 Microchip Technology Inc.

~ ÓÒÔÎ ÔÑÐ ÔÏ ÖÑ ÁMCP2515 Ê Ê~ÓÒÔÎÉ ÊÓÒ ÔÎÂ ÊÍÔÑÐ ÓÒÔÎÇÉÊÊ ÉÉ Â ÊÍÔÏÖÑÎÉÉÆÌÈÂ ÊÂÇÍÍÊÓÒÔÎÉÔÖÒÐÖÏ Ñ ÉÊ ÊÔÖÒÐÎÈÉÆÌÈÂ ÓÒÔÎ TXB0 TXREQ ABTF MLOA TXERR %#0 ÓÒÔÎÉÔÖÒÐÖÏ Ñ ÊÔÖÒÐ Ñ Ñ Ò Õ TXB1 TXREQ ABTF MLOA TXERR Ñ Ñ Ò Õ TXB2 TXREQ ABTF MLOA TXERR Ñ Ñ Ò Õ Í ÍÔÑÐ RXM0 ÍÔÏÖÑ RXF0 ÍÔÏÖÑ RXF1 ÍÔÑÐ RXM1 ÍÔÏÖÑ RXF2 ÍÔÏÖÑ RXF3 ÍÔÏÖÑ RXF4 ÍÔÏÖÑ RXF5 Í ~ÓÏÒÑ Ð Ð R X B 0 x M A B x R X B 1 ÔÖÒÐÖ Ï Ñ ÏÖ ÏÏ Ñ REC TEC ~ <7:0> <7:0> ~ ÏÖ ÏÏ Ñ ErrPas BusOff ÑÔÒ <14:0> { ~ <5:0>, <8:0>} Ð ÓÖ Ñ CRC<14:0> ÔÖÒÐÖ ÔÑ SOF ~ ÖÑÒÐ ÓÒÒ ÑÏÕ Ð ÖÑÒÐ ÐÖÒÐ ÑÏÓÖ Ñ TX RX 2005 Microchip Technology Inc. Preliminary DS21801D-page 5

%#0 ÔÖÒÐÖÏ Ñ ÁCAN ÔÖÒÐÖÏ Ñ ÊÂ ÊÈÉÆÇ ÉÇÊhÔÖÒÐÎÈÉÆÌÈÂÈÍÈÍv ÊwÈÌÈÂ 1.5.1 ÔÖÒÐÖ ÔÑ ÁÏ Ñ ÊiÊÂ ÔÑ (FSM) ÉÈÂ FSM ÊÂTX/RX ÑÔÒÖÑÑÑÂCRC ÖÑÑÑÂÓÑ ÖÏ ÊÒ ÑÊÍÎÈÍÑ Ð ÐÉÈÂ ÈÍÊÂFSM ÊwÍÖÑÒÐ (EML) ÉÂTX/RX ÑÔÒÖÑÑÑÉÓÒÔÎ ÊÒ ÑÊÍÊ ÌsÉÉÆÌÈÂÇÊ FSM ÇÂÂÎ ÓÒÖ ÑÕ Â~ÂwÍÒÏÒÐÇ CAN ÔÖÒÐÖÊÉ ÉÔÖÑÑÊÊÍÍÆÊÈÉÆÌÈÂÓÑÖÏ É ÊiÕÒÑ Ñ~Ì FSMÊÍÉÉÈÍÌÈÂ 1.5.2 ÒÏÒÐ Á ÒÏÒÐÖÑÑÑÇÂÔÏ ÖÒ ÕÒÑ ÑÇ ÓÏÒÊ ÉÒ ÑÔÏ ÖÒ Ê~ÈÍÒÏÒÐÐ Ò (CRC) ÎÈÂÈÍ ÊÈÉÕÒÑ ÑÊ CRC ÔÏ ÖÒÊÒÏÒÐ ÎsÆÉÌÊÌÍÍÌÈÂ 1.5.3 wíöñòð ÁwÍÖÑÒÐ (EML) ÊÂCAN ÒÓÏÑÊwÍ vîíìèâïö ÏÏ Ñ (REC) É~Ï Ö ÏÏ Ñ (TEC) Ê ÉÊÏÏ ÑÎÉÉÆÉÂ ÓÒÒÍÇÍÊÐÔ ÒÉÈÍÌÈÂÏ Ö ÏÏ ÑÊÊÉÆÉÂCAN ÊÇÂ ÏÖ ÎÐÒÏÔÂÏÖ ÓÒÑÔÂÓÑÏÔÊÆÈ ÍÇÊvÈÍÌÈÂ 1.5.4 ÓÒÒÑÏÕ ÐÖÑÒÐ ÁÓÒÒÑÏÕ ÐÖÑÒÐ (BTL) ÊÂÓÑÖÏ Ê ÎÕÓÑÈÉÆÉÂÓÑ ~ÓÒÒÑÏÕ ÐÎ CANÔÖÒÐÖÊÈÉÇÉÉÈÌÈÂBTLÊStartof-Frame (Ó Ò)ÉÖÑÒÑÔÇÍÒÕÒ ÒË ÊÓÑÊÈÈÌÈÂÈÍÊ CAN i ÇÒÕÒ ÒÓÒÒ Î~ÈÊÆÊÊÂ ÈÊÌÖÑÒÑÔÇÍÒÕÒ ÒÓÑÊÈ ÈÌÈÂÌÉÂBTL Ê~ ÌÂÑÔÒÎ tèéíâóòòñïõêð ÔÖÎÌÍÉ ÌÊÂÔÖÐÖÔÔÖÊ ÌÈÌÈÂBTL ÊÔÖÐÖÕ ÐÊÂÔ Ö ÒÉÇÊÊ ~ ÊÈÌÈÂ RX %#0 ÔÖÒÐÖÏ Ñ ÔÖÒÐ ÓÒÒÑÏÕ ÐÖÑÒÐ ~ÖÑÒÐ TX SAM 5CORNG<2:0> w StuffReg<5:0> ÏÖ ÏÏ Ñ ~ ÏÖ ÏÏ Ñ REC TEC ErrPas BusOff BusMon Ð ÓÖ Ñ CRC<14:0> Ð ÓÖ Ñ Shift<14:0> (Transmit<5:0>, Receive<7:0>) ÔÖÒÐÖ FSM SOF Receive<7:0> Transmit<7:0> RecData<7:0> TrmData<7:0> ÓÒÔÎÉÊÏ Ñ ÔÏ Ñ ~ÎÒÖÑ DS21801D-page 6 Preliminary 2005 Microchip Technology Inc.

%#0 ÕÒÑ ÑÔÖ Õ Á/%2ÊÂ%#0$ÉfÈÍÉÆÍÒ ÑÔÖ ÕÂÒ ÑÔÖ ÕÂÖÕ ÒÔÖ Õ É ÎÐÔ ÒÈÉÆÌÈÂ Ò ÑÔÖ Õ ÁCAN Ò ÑÔÖ ÕÊ ÉsÈÍÌÈÂ ÊÔÖ ÕÉÈÍÆÊÂÔÖ ÕÊÉÊÓ Ò ÊÓ ÒÎÍÉÌÊÒÕÒ ÒÉÆÍ Start-Of-Frame(SOF) ÇÍÌÍÌÈÂ ÁSOF ÊÊÓÒÒÇÍÊÍÎ ÓÒÖ ÑÕ ÔÏ ÖÒÇÇÌÈÇÂÈÍÊ ÓÒÒÊx ÉÖÕ Ò~uÓÒÒ (RTR) ÇÍÈÍÌ ÈÂRTR ÓÒÒÊÂÒ ÑÔÖ Õ RTR ÓÒÒÒ ÕÒ Ò ÉÖÕ ÒÔÖ Õ RTR ÓÒÒÖÑÒ ÑÔ ÉÎÈÍÉÌÊÆÍÍÌÈÂ ÁÎ ÓÒÖ ÑÕ ÔÏ ÖÒÊÊÔÏ Ö ÒÉ ÓÒÒÉÈÍÌÈÂÇÊÔÏ ÖÒÊ ÊÓÒÒÊx (IDE) ÉÊÍÂÇÍÇÒÕ Ò ÒÊÉÇÔÖ ÕÉÆÍÇÉÎsÈÌ ÈÂÇÓÒÒÊ CAN ÔÖÒÐÖÊÓÒÒ 4$ ÉÂÒÕÒ ÒÓÒÒÉÈÉuÈÍÉÆÌ ÈÂÔÏ ÖÒÊÍÊ ÓÒÒÊÒ Ñ Ð Ò (DLC) ÉÂÕÒÑ ÑÊÌÍÍÒ ÑÊÓ ÏÒ0 8 ÓÏÒ ÎuÈÌÈÂ ÁÔÏ ÖÒÊÊÒ ÑÔÏ ÖÒÉÂDLC ÊÍÍuÈÍÍ È 0 8 ÓÏÒ Ê~Ò Ñ ÓÏÒÎÎÉÆÌÈÂ ÁÒ ÑÔÏ ÖÒÊÊ ÒÏÒÐ (CRC) ÔÏ ÖÒÇÇÂ~ÏÖ ÊÊÆÍÍÌ ÈÂCRC ÔÏ ÖÒÊ ÓÒÒÊ CRC Ñ Ð Ñ ÉÖÑÒÑÔ CRC ÒÖÕÑÓÒÒÉÈÍÌÈÂ ÁÊÔÏ ÖÒÊ ÓÒÒÊÎÐÓÖÒÑÔÏ ÖÒ (ACK) ÉÈÂACK ÑÖÒÒÓÒÒÊ ÊÂ~ Ó ÒÇÖÑÒÑÔÓÒÒÎ~ÈÌÈÂÏÖ Ê ÆÔÖ ÕÎÈÉÊÊÓ ÒÌÂ Ó ÒÇ ÕÒÑ ÑÎÇÇÍÍÆÊÈÍÉÆÍÇÊÆ ÇÊ ÍÍÈ ÒÕÒ ÒÓÒÒÎ}ÈÍÇÉÊ ÍÍÈÆÔÖ ÕÎÈÉÇÉÎvxÉÇÍÍÆ ÊÈÌÈÂÖÑÒÑÔÊÎÐÓÖÒÑÒÖÕÑÉÎÐ ÓÖÒÑÑÖÒÒÎÈÈÂÒÕÒ ÒÓÒÒÊÍ ÍÇÈÍÊÆÍÆÊÈÌÈÂ Ò ÑÔÖ Õ Á CANÒ ÑÔÖ ÕÉÊÂ ÊÈÍ ÆÊÂSOF Ê ÓÒÒÉÈÍÍÎ ÓÒÖ ÑÕ ÔÏ ÖÒÇÇÌÈÂÊ ÓÒÒÊ ÓÒÒÊx(Base-lD)Ê ÓÒÒ (MSB) ÉÈÂÇÍÍÊ ÓÒÒÊÇÂÖÑÒÑÔÉÈÉ ~ÈÍÍÖÕ ÒuÓÒÒ (SRR) ÇÇÌÈÂ SRRÊÇÂÔÖ ÕÇ CAN ÔÖ ÕÉÆÍÇ ÉÎÈÖÑÒÑÔÊ IDE ÓÒÒÇÇÌÈÂÇÆÈ ÍÉÂxÊÊ ÓÒÒÊ~ÊÎ ÓÒ Ö ÑÕ ÇuÊÂÎ ÓÒÖ ÑÕ ÊÇ ÍÎÉÆÍÓ ÒÊ ÉÇ CAN ÔÖ Õ ÓÒÒxÎ~ÈÉÆÍÉÂ CAN ÔÖ ÕÊÂÒÕÒ Ò IDE ÓÒÒÉÆÍÉÌÎ ÓÒ Ö ÑÕ ÎÈÌÈÂÌÉÂ CAN ÔÖ Õ Ê SRR ÓÒÒÊÂ CAN ÖÕ ÒÔÖ ÕÎ ~ÈÉÆÍÓ ÒÊÍÍÒÕÒ Ò RTR ÇsÉ ÇÍÍÆÊÖÑÒÑÔÉÊÇÍÊÊÍÌÈÎÂ ÁSRR É IDE ÓÒÒÊÇÂx (Extended ld) ÊÍÊ ÓÒÒÉÒÕÒ ÒÖÕ Ò~u ÓÒÒÇÇÌÈÂ ÁÓÒÒÖ Ð ÉÂÉÔÖ ÕÇ~ ÈÍÍÇÉÎÊÈÍÉÌÊÂÓÒÒÊ ÕÒÑ ÑxÎÓÒÒ ÉÓÒÒ ÑÐÑÕ ÊÈÍuÇÆÍÌÈÂÇÊ ÊÍÍÂlDE ÓÒÒÇÉÊÔÖ Õ ÉÈeÎÈÍÇÉÇÉÇÌÈÂ ÁÎ ÓÒÖ ÑÕ ÔÏ ÖÒÊÊ ÓÒÒ ÔÏ ÖÒÉÈÂÇÊÔÏ ÖÒÊÊ ÓÒ ÒÊÈÍÂÒÕÒ ÒÉÊÇÍÊÊÍÌÈ ÎÂÔÏ ÖÒÊÍÊ ÓÒÒÊ DLC ÉÂ ÕÒÑ ÑÊÌÍÍÒ ÑÓÏÒÎuÈÌÈÂ ÁÔÖ ÕÊÍÊ Ò ÑÔÏ ÖÒÂCRC ÔÏ ÖÒÂ~ÔÏ ÖÒÂÔÖ ÕÆÍË ÊÂÒ ÑÔÖ ÕÉÊÈÍÌÈÂ ( Ò ÑÔÖ Õ ) ÖÕ ÒÔÖ Õ ÁÒ Ñ~ÊÂ~Ò ÑÑ ÑÓ ÒÎÉÉi ÊÈÌÈ ÆÊÂÑ ÐÊÒ ÑÔÖ ÕÎ~ÈÌÈ ÂÈÇÈÂÓ ÒÇÑ ÑÇÍ Ò ÑÎuÈÍÇÉÇÉÇÌÈÂÇÊÊÉÌ ÊÂÓ ÒÊÂuÈÍÉÒ ÑÔÖ ÕÊx ÉÈxÊÖÕ ÒÔÖ ÕÎ~ÈÌÈÂ ÈÍÒ ÑÑ ÑÓ ÒÊÂÇÊÖÕ ÒuÊ ÉÈÉÒ ÑÔÖ ÕÎ~ÈÌÈÂ ÁÖÕ ÒÔÖ ÕÉÒ ÑÔÖ ÕÉÉÊ ÉÊ ~ÆÇÆÍÌÈÂ ÊÈ ÊRTRÓÒ ÒÇÖÑÒÑÔÉÆÍÂ ÊÒ ÑÔÏ Ö ÒÇÆÇÉÉÈÂÈxÎÉÉÒ ÑÔÖ ÕÉÖÕ ÒÒ ÑÔÖ ÕÇÂÊ~ÈÍÍ ÂxÊÇÒÕÒ Ò RTRÊÉÌÊÂÒ Ñ ÔÖ ÕÇÎ ÓÒÖ ÑÕ ÎÈÌÈÂÇÊ ÍÆÊÈÉÂÖÕ ÒÔÖ ÕÎ~ÈÉÓ ÒÊ ÊÒ ÑÎÇÊÈÌÈÂ ÏÖ ÔÖ Õ ÁÏÖ ÔÖ ÕÊÂÓÑÏÖ ÎÈÉÓ ÒÊ ÍÉÉÈÍÌÈÂ ÊÈÍÆÊÂÏÖ ÔÖ ÕÊÂÏÖ ÔÖÐÔÏ ÖÒÉÈÍÊÇÏ 2005 Microchip Technology Inc. Preliminary DS21801D-page 7

Ö ÒÖÕÑÔÏ ÖÒÊ ÉÊÔÏ ÖÒÊÍÍ ÈÍÌÈÂÏÖ ÔÖÐÔÏ ÖÒÊÊ ÉÊ ÇÆÍÌÈÂÏÖ ÔÖÐÔÏ ÖÒÊÊ ÏÖ ÎÈÏÖ ÔÖÐÔÏ ÖÒÎÈÉ Ó ÒÊÏÖ ÊÈÌÈ 2.4.1 ÎÐÒÏÔÏÖ ÁÏÖ ÎÐÒÏÔÓ ÒÇÓÑÏÖ ÎÈÉ ÂÈÊÓ ÒÊÎÐÒÏÔÏÖ ÔÖÐÎÈÉ ÕÒÑ ÑÊ~ÊÍ}ÌÎÇÇÌÈÂÎÐÒÏ ÔÏÖ ÔÖÐÊÂÊ~ÈÍÒÕÒ ÒÓÒÒ ÉÈÍÌÈÂÇÊÓÒÒÑ Ð ÑÊÂÓÒÒÑ ÑÒÔÖ ÖÊÆÉ~ÈÌÈÂÈÊÊÉÊ Ó ÒÇÓÒÒÑÑÒÔÏÖ ÎvxÈÂÊi i ÉÂÏÖ ÏÐ ÔÖÐÉÊÍÍÏÖ ÔÖ ÕÎÈÌÈ ÁÉÉÂÏÖ ÔÖÐÔÏ ÖÒÊ ÇÍ Ê~ ÈÍÒÕÒ ÒÓÒÒ ÉÌÈÇÊÉÊÓ Ò ÊÍÍÈÍÌÈ ÉÈÍÌÈÂÏÖ ÒÖ ÕÑ ÓÒÒÊÖÑÒÑÔÓÒÒ ÊÍÍÏÖ Ô Ö ÕÇÈÌÈÂÏÖ ÔÖ ÕÂÓÑÊ ~ÊÍÂÍ}ÌÎÇÇÍÍÉÓ ÒÊ ÈÍÉÕÒÑ ÑÎ~ÈÌÈ ÏÖ ÏÐ ÔÖÐÊÂ~ÏÖ ÔÖ ÐÎ~ÈÍÆÉÈÉ ÉÇ ÉÊÓ Ò ÉÊÊÆ ÊÊ É ÈÌÈÂÍÊÓ ÒÊÂÊÏÖ ÔÖÐÊÈÉ ÏÐ Î ÈÌÈ 2.4.2 ÓÒÑÔÏÖ ÏÖ ÓÒÑÔÓ ÒÇÓÑÏÖ ÎÈÉ ÈÊÓ ÒÊÏÖ ÓÒÑÔÔÖÐÎ~ÈÂÏÖ ÒÖÕÑÔÏ ÖÒÇÇÌÈÂÏÖ ÓÒÑÔÔÖ ÐÊ Ê~ÈÍÖÑÒÑÔÓÒÒÉÈÍÌ ÈÂÏÖ ÓÒÑÔÓ ÒÊÏÖ ÔÖ ÕÊ ÓÒÒÊÖÑÒÑÔÓÒÒÉÈÍÌÈÂÈÉÇÉ ÉÂÓÑÏÖ ÇÏÖ ÎÐÒÏÔÓ ÒÂÌÉÊ~ Ó ÒÉÈÍÊÇÍÊÂÏÖ ÓÒÑÔÔÖÐ ÇÓÑÎÈÊÆÉÌÂÕÒÑ ÑÊÊ~ ÈÌÈ Á~Ó ÒÇÏÖ ÓÒÑÔÔÖÐÎÈÉ ÊÂÈÊÉÈÉÓÒÒÑÑÒÔÊ~ÈÍÉÌ ÈÊÊÓ ÒÇÏÖ ÔÖ ÕÎÈÌÈÂÏ Ö ÔÖ Õ~ÂÏÖ ÓÒÑÔÓ ÒÊÂÓÑ ~ÊÈÍÆÉÈÍÊÂÓÑÊ Ê~ ÈÍÖÑÒÑÔÓÒÒÎÉÊÊÊÍÌÈΠÁÏÖ ÒÖÕÑÊ ÓÒÒÊÖÑÒÑÔÓÒÒÉ ÈÍÉÆÍÂÓÑÓ ÒÇÏÖ ÇÍÆÊÓ Ñ~Î ÉÇÍÍÆÊÈÌÈÂ Ï Ó Ö ÒÔÖ Õ ÁÏ Ó Ö ÒÔÖ ÕÊ ÊÈÍÆÊ ÎÐÒÏÔÏÖ ÔÖ ÕÉÈÔÏ ÔÒÒÎÉ ÌÈÂÈÇÈÂÏ Ó Ö ÒÔÖ ÕÊÂÏ Ñ ÔÖ Õ Ê ÊÊÌÉÇÌÈÂÇÊÍÆÊÈ ÉÂÏ Ó Ö ÒÔÖ ÕÊÂÏÖ ÔÖ ÕÉ ÈÍÌÈ ÏÖ ÔÖ ÕÊÂÕÒÑ ÑÊ~Ê Ê~ÈÍÌÈ ÂÏ Ó Ö ÒÔÖ ÕÊÂ Ï Ó Ö ÒÔÖÐÉÈÍÊÇÏ Ó Ö ÒÒ ÖÕÑÊ ÔÏ ÖÒÉÈÍÌÈÂÏ Ó Ö ÒÔÖÐÊ ÓÒÒÊÒÕÒ ÒÓÒÒÉ ÈÍÂÈÍÊÇÊÓ ÒÉÈÍÉÏ Ó Ö ÒÔÖÐÇÇÌÈ ÎÐÒÏÔÏÖ ÔÖÐ ÉÈÉ ÓÒÒÊÒÕÒ ÒÓÒÒÎÆÌÈ ÂÏ Ó Ö ÒÒÖÕÒÑÊ ÓÒÒÊÖÑÒÑ ÔÓÒÒÉÈÍÌÈÂÏ Ó Ö ÒÔÖ Õ ÊÂÊÉÊÊÓ ÒÉÈÍÌÈ 1. Ó ÒÇÂÏ Ñ ÔÖ Õ Ê ÊÒÕÒ ÒÓÒÒÎÈÉÉÇÂÇÍÊÊ ÉÈ : ÒÕÒ ÒÓÒÒÊ IFS Ê ÓÒÒÊ ÈÍÉÂÖÑ ÓÊÇÍÎ SOF ÉÈ ÉuÈÌÈ 2. ÊÍÍÂÓ ÒÇÂÌÉÊÕÒÑ ÑÊ ÇÉÇÊÆÉÇÂÊÕÒÑ Ñ Ê Î~ÍÈÍÉÌÊÂÓ ÒÊ ÉÊ Ñ Ð ÑÕÖÊÏ Ó Ö ÒÔÖ ÕÎ ÈÍÇÉÇÆÍÌÈ ÊÐ ÑÊÂ/%2ÉÊ~Lj ÊÈÆÊÉzÇÍÇÉÊÆÍÌÈ ÎÂ Ï Ñ ÔÖ Õ +(5 Ï Ñ ÔÖ Õ ÊsÈÍ ÊÎÊÊ ÔÖ ÕÉÂÇÇÒ ÑÌÈÇÊÖÕ ÒÏÖ ÔÖ ÕÉÎÇÌÈÂÏ Ñ ÔÖ Õ Ê ÊÇÉÌÓÒÒÊÖÑÒÑÔÓÒÒÇÍÈÍÂ Ï Ñ ÕÒÑÕ ÉÊÍÌÈÂÇÍÊÂÊÕÒ Ñ ÑÔÖ ÕÊ ÊÓ ÒÊÍÍÕÒ Ñ ÑÊÎsÆ ÎÆÍÉÌÊÈÍ ÉÆÌÈÂÏ Ñ ÕÒÑÕ ÂÓÑÖÏ Ê Ê~ ÌÉÖÑÒÑÔ ÓÑÎÏÒÖ Î ÈÌÈ DS21801D-page 8 Preliminary 2005 Microchip Technology Inc.

Ò ÑÔÖ Õ 1 IFS 1 1 1 = 44 + 8N) ( 7 16 8N (0 N 8) 6 12 CRC 4 @ 15 CRC 8 8 11 CRC Ack ACK DLC0 ID0 RTR IDE RB0 DLC3 ID3 ID 10 0 0 0 0 1 1 1 1 1 1 1 1 x Í Í È Ê ~ Ê 2005 Microchip Technology Inc. Preliminary DS21801D-page 9

Ò ÑÔÖ Õ = 64 + 8N) 8N (0 N 8) IFS 1 1 1 ( 7 16 6 32 CRC 15 CRC 8 8 4 18 11 CRC Ack ACK DLC0 EID0 RTR RB1 RB0 DLC3 ID0 SRR IDE EID17 ID3 ID10 1 1 1 1 1 1 1 1 0 1 1 0 0 0 1 Ê ~ Á x x Ê DS21801D-page 10 Preliminary 2005 Microchip Technology Inc.

ÖÕ ÒÔÖ Õ 7 IFS 1 1 1 CRC Ack ACK 1 1 1 1 1 1 1 1 1 16 CRC 15 CRC ˆ 6 32 4 18 11 DLC0 EID0 RTR RB1 RB0 DLC3 ID0 SRR IDE EID17 ID3 ID10 0 1 1 1 0 0 ÁÁ x x Õ Ö Ô Ò Õ Ö Ç É x 2005 Microchip Technology Inc. Preliminary DS21801D-page 11

DS21801D-page 12 Preliminary 2005 Microchip Technology Inc. ÎÐÒÏÔÏÖ ÔÖ Õ 0 0 0 0 Í } Ì 12 ID 10 11 ID3 ID0 x RTR IDE RB0 DLC3 DLC0 6 4 ÁÁ 8N (0 N 8) 8 8 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 Ì É Ê 6 6 8 Ì É Ê

2005 Microchip Technology Inc. Preliminary DS21801D-page 13 MCP2515 Ï Ó Ö ÒÔÖ Õ 0 1 0 0 1 1 1 1 1 1 1 1 1 ( = 44) 12 ID 10 11 ID0 RTR IDE RB0 DLC3 DLC0 6 4 16 CRC 15 CRC 7 CRC Ack ACK 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 Ì É Ê Ì É Ê 6 8 Ì É Ê

NOTES: DS21801D-page 14 Preliminary 2005 Microchip Technology Inc.

3.0 ÕÒÑ Ñ~ ~ÓÒÔÎ ÁMCP2515 Ê ÉÊ~ÓÒÔÎÎÉÉÆÌÈÂ ÓÒÔÎÇÉÊ 14 ÓÏÒÊ SRAM ÎÈÒÓÏÑ ÕÕÖÔÒÔÊÔÒÓ ÐÈÍÌÈÂ ÊÓÏÒTXBnCTRLÊÂÕÒÑ ÑÓÒÔÎÊ ÈÍÖÑÑÑÉÈÂÇÊÖÑÑÑÊÊÍÉ ÉÕÒÑ ÑÎ~ÈÍÇÊÆÇÎÌÉÍÂÕÒ Ñ Ñ~ÎsÈÉÆÌÈÂ ÖÑÑÑ ÁÓÏÒÇÆÍËxÉÈÊÊÕÒ Ñ ÑÎ ÓÒÖ ÑÕ ÎÈÌÈÂ( ÖÑ ÑÑ ÇÍÖÑÑÑ ) ÁÊ ÓÏÒÊÂ~Ò ÑÉÈÉÆÍ ÓÒ ÒÒ ÑÓÏÒÉÊÍÌÈÂ( ÖÑÑÑ ) ÁÊÇÉÌ TXBnSIDH, TXBnSIDLÂTXBnDLC ÖÑ ÑÑÊÊvÇ ÉÈÂÌÈÕÒÑ ÑÊÒ ÑÓ ÏÒÇÆÍÉÇÊÂTXBnDm ÖÑÑÑÊÌvÇu ÉÈÂÕÒÑ ÑÇxÉÈÉÍÍÍÊ ÊÂTXBnEIDm ÖÑÑÑÌvÇ ÉÂTXBn- SIDL.EXIDE ÓÒÒÊÑÒÒÇ ÉÈÂ ÁÕÒÑ ÑÎ~ÍÊÂMCU Ê CANINTE.TXInE ÓÒÒÊÍÉÉÕÒÑ Ñ~ÊÍ}ÌÎÈ ÍÇÊÆÇÎvÈÍuÇÆÍÌÈÂ 6:$P%64.6:4'3 ÓÒÒ ~ÓÒÔÎÇ ~ÉÉÊÊÆÇÉÎsÈ ÊÂ~ ÓÒÔÎÊÇ}ÌÊÐÖÎÈÊÇÍ ÊÊÍÌÈÎÂ ~ Á~ÊÂ~ÉÊÕÒÑ ÑÎÉ MCP2515 ÉÇÈÌÈÂÇÊ ÊÂ CAN ÔÖÒÐÖÊÌ}ÌÍÉÆÍÕÒÑ ÑÎ ÓÒÖ ÑÕ ÊÍÍÉÊÉ Ê Ê ÆÍÌÈÎÂ ÁSOF Ê~ÊÂ~ÐÕ ÊÆÍÈËÉÊÓÒ ÔÎÊÇ ÈÍÌÈÂÿÆÎÉ É~ÓÒÔÎÇÊ~ÈÍÌÈÂÆÊÂ~ ÓÒÔÎ Ç~ÓÒÔÎ ÍÍÌÆÎv ÈÍÉÆÍÂÓÒÔÎ ÇÊ~ÈÍÌ ÈÂÉÊÓÒÔÎÇÈvÈÍÉÆÍ ÂÿÆÎÒÖÑÎÉÉÓÒÔÎÇ~ÈÍÌ ÈÂÆÊÂ~ÓÒÔÎ Ç~ÓÒÔÎ É ÈvÊÂÓÒÔÎ ÇÊ~ÈÍ ÌÈÂ ÁÉÊ~ÖÔÖÇÆÍÌÈÂÊÕÒ Ñ ÑÓÒÔÎÊ TXBnCTRL.TXP<1:0> ÇÊ vèíéæíâèêóòôîçêî ÉÌÈÂÊÕÒÑ ÑÓÒÔÎÊ TXBnC- TRL.TXP<1:0>ÇÊvÈÍÉÆÍÂÈ ÊÓÒÔÎÊÊÎÉÌÈÂ ~Êz ÁÕÒÑ Ñ~ÎzÈÍÊÊÂ~ÈÍÓÒ ÔÎÊTXBnCTRL.TXREQÓÒÒÎÑÒÒÈÍuÇ ÆÍÌÈÂÇÍÊvÊÍÉÉsÆÇÉÇÉÇÌÈÂ SPI Ç}ÌÐÔ ÒÊÍÉÉÖÑÑÑÊÇ SPI RTS ÐÔ ÒÎ~Í ~ÈÍÊ~ÓÒÔÎÊ TXnRTS Ó Î.QY ÊÈÍÂ ÁSPI Ï Ñ ÔÏ ÑÉ~ÎzÈÍÊ ÊÂTXP ÓÒÒÉÈÉ TXREQ ÓÒÒÌÊv ÈÍÇÉÇÉÇÌÈÂ ÁTXBnCTRL.TXREQ ÓÒÒÇÑÒÒÈÍÍÉÂ TXBnCTRL.ABTFÂTXBnCTRL.MLOAÂTXBnC- TRL.TXERR ÓÒÒÊiÊÐÖÎÈÍÌÈÂ 6:$P%64.6:4'3 ÓÒÒÊÑÒÒÉÊÕÒ Ñ Ñ~ÊzÈÍÌÈÎÂÈÍÊ ÕÒÑ ÑÓÒÔÎÇ~ÖÒÏÊÊÉ ÉÉÆÆÔÖÐÉÈÇÆÍÌÈÎÂ~ ÊÂÒÓÏÑÇÓÑÇÉÆÍÇÉ ÈÉÉÇ ÈÍÌÈÂ Á~ÇÊÈÍÉTXBnCTRL.TXREQÓÒÒ ÇÐÖÎÈÍÂCANINTF.TXnIF ÓÒÒÇÑÒÒÈÍ ÌÈÂÇÍÉ CANINTE.TXnIE ÓÒÒÇÑÒÒÈÍÉ ÆÍÊÍ}ÌÎÈÌÈÂ ÁÕÒÑ Ñ~ÇÈÉÊÊÂTXBnC- TRL.TXREQ ÊÑÒÒÈÍÉÌÌÉÈÂÇÍÊÕÒ Ñ ÑÇÌÉ~ÉÉÆÍÇÉÎÈÂvÊÆÈ ÍÇÊÔÖÐÉÊÍÌÈÂ ÕÒÑ Ñ~Î ÈÉÉÇÏÖ ÊÇ ÍÈÉÊÊÂTXBnCTRL.TXERR É CAN- INTF.MERRF ÓÒÒÇÑÒÒÈÍÂCAN- INTE.MERRE ÓÒÒÇÑÒÒÈÍÉÆÍÊÂINT Ó ÊÍ}ÌÎÈÌÈÂ ÕÒÑ ÑÇÍÍÉÊÊ TXBnC- TRL.MLOAÓÒÒÊÎ ÓÒÖ ÑÕ ÇÑÒÒ ÈÍÌÈÂ Ö ÑÕÒÒÕ ÒÇÏÓ ÔÖ %#0%64.15/ ÊÉÇÊÂvÊÂ ÈÌÈÇÂ6:4'3ÓÒÒÊÐÖÎÈ ÍÂÕÒÑ ÑÊ Ê~ÊÈÌÈ ÎÂ Ö ÑÕÒÒÕ Ò ÁÖ ÑÕÒÒÕ ÒÉÊÂÕÒÑ ÑÊ ÉÇÈ Ç~ÈÌÈÎÂ~ÊÂCAN ÕÒÑ ÑÇÎ ÓÒ Ö ÑÕ ÎÆÇÂÏÖ ÔÖ ÕÊÍÉÉÍÉ ÉÇÊÊÂÕÒÑ ÑÊ~ÈÍÌÈÂÖ ÑÕÒÒ Õ ÒÏÓ ÔÖÊÉÇÊÂÎ ÓÒÖ ÑÕ Î ÉÉÌÂÏÖ ÔÖ ÕÉÌÂÕÒÑ ÑÊ É ÇÈÇ~ÈÍÌÈÎÂ ÁÖ ÑÕÒÒÕ ÒÊÊÂTTCAN ÊÍÆÊÌÉ ÉÑÖÒÒÑÏÕÎÉÉÆÍuÇÆÍÌÈÂ 2005 Microchip Technology Inc. Preliminary DS21801D-page 15

6:P465 Ó ÁTXnRTS Ó ÊÂvÊÍÆÊÈÍÇÉÇÉÇ ÌÈÂ ~uéèéâê~óòôîçí ÕÒÑ ÑÎ~ÈÍÉÌÊÊzÎ ÈÌÈÂ ÒÏÑÑÖ ÁÇÍÍÊÓ ÊÉÊ TXRTSCTRL ÖÑÑ ÑÉsÆÌÈÂ( ÖÑÑÑ ) ÁTXRTSCTRLÖÑÑÑÊÂMCP2515ÇÐ ÔÏÐÕ Ö ÑÕ Õ ÒÊÉÇÉÇÇÉÇÌÈÂ( Õ Ò )Á~uÓ ÉÈÉ ÈÍÍÆÈÍÉÊÊÂÓ Ê~ÓÒ ÔÎÊÈÍTXBnCTRL.TXREQÓÒÒÊÔÒÓ ÐÈÍÌÈÂTXREQ ÓÒÒÊ TXnRTS Ó ÊÍ ÉÖÒÒÈÍÌÈÂTXnRTS Ó Ê RXnBF Ó Ê ÈÍÍÆÊvvÈÍÉÆÉÂRXnBF Ó Ç.QY Ê ÊÉÉÉÇÊÕÒÑ Ñ~ÇiÊsÍÍÍÍÆ ÊÈÌÈÂTXnRTS Ó Ê 100 kω ( ) ÊnÔÖ ÎÒÔÎÉÉÆÌÈÂ ~ ÁMCU ÊÕÒÑ ÑÓÒÔÎÊÈÉ TXBnC- TRL.TXREQ ÓÒÒÎÐÖÎÈÍÇÉÉÕÒÑ Ñ ÎuÈÍÇÉÇÉÇÌÈÂ ÁÈÍÊÂÈËÉÊ~ÉÕÒÑ ÑÎ CAN- CTRL.ABAT ÓÒÒÎÑÒÒÈÍÇÉÉÈÈÍÇ ÉÇÉÇÌÈÂÇÊÓÒÒÊÂ ~ÂTXREQ ÓÒÒ ÇÈÍÉÐÖÎÈÍÉ ÕÒÑ Ñ~ÎÇ ÉÆÍ ÊÖÑÒÒÈÍÉÆÊÇÍÊÊÍÌÈÎÂ CANCTRL.ABTF ÔÖÐÊÂCANCTRL.ABAT ÓÒÒ ÊÍÉÉuÈÍÉÉÇÉÇÑÒÒÈÍÌÈÂ TXREQ ÓÒÒÎÖÑÒÒÈÉÕÒÑ ÑÎÈÈ ÍÉÂABTF ÓÒÒÎÑÒÒÈÍuÊÊÊÍÌÈÎÂ uèíééçâèéê~ê ÕÒÑ ÑÊÈÊÌÌ~ÎÈÌ ÈÂÕÒÑ Ñ~ÇÊÈÊ ÇÉÉÍ ÆÊÎ ÓÒÖ ÑÕ Î ÉÉÍÂÏÖ ÔÖ ÕÊÍ}ÌÍ ÉÉÇ ÂÈÍÌÈÂ DS21801D-page 16 Preliminary 2005 Microchip Technology Inc.

ÕÒÑ Ñ~ÔÖ ÒÕ Ò No ÑÑ Ò ÆÈÍÇÊ TXBnCTRL.TXREQ ÓÒÒ = 1 Ç? Yes ÐÖÎ : TXBnCTRL.ABTF TXBnCTRL.MLOA TXBnCTRL.TXERR ÕÒÑ Ñ~Ñ Ð ÑÊ ÒÓÏÑÇÂÆÈÍÇÊ~ ÖÑÑÑÊ TXBnC- TRL.TXREQ ÇÑÒÒÈÍÉ ÈÉÉÇ ÈÍÌÈÂ TxBnCTRL.TXREQÓÒÒÇÑÒÒ ÈÍÉÆÍÉÇÊÐÖÎÈÍÇÂ ÕÒÑ Ñ~ Ê CAN- CTRL.ABAT ÓÒÒÎÑÒÒÈÍÉ ÕÒÑ ÑÎÈÌÈÂ CAN ÓÑÇÉ ~ hç? No TXBnCTRL.TXREQ=0 ÌÉÊ CANCTRL.ABAT=1 Ç? No Yes Yes ÎÌÍÉÌ TXBnCTRL.TXP <1:0> ÎwËÍ ÕÒÑ Ñ~ ÕÒÑ Ñ~ Ç? Yes Clear TxBnCTRL.TXREQ No ÕÒÑ ÑÏÖ ÌÉÊ Î ÉÉÇ? ÎÉÉ ÕÒÑ Ñ ÏÖ ÑÒÒ TxBnCTRL.TXERR Í}Ì Yes CANINTE.TXnIE=1 Ç? No ÑÒÒ TxBNCTRL.MLOA CANINTE.MEERE ÁÁÁÁÇ? No Yes Í}Ì CANINTE.TXnIE ÓÒÒ ÊÂÕÒÑ ÑÇ~ ÈÉÉÇÍ}Ì ÎÈÍÇÊÆÇÎ ÌÌÈÂ ÑÒÒ CANTINF.TXnIF ÑÒÒ CANTINF.MERRF ÑÑ ÒËÍ 2005 Microchip Technology Inc. Preliminary DS21801D-page 17

ÖÑÑÑ 6:$ %64. ~ÓÒÔÎ ÖÑÑÑ ÎÒÖÑ JJJ U-0 R-0 R-0 R-0 R/W-0 U-0 R/W-0 R/W-0 ABTF MLOA TXERR TXREQ TXP1 TXP0 bit 7 bit 0 bit 7 t : wìé 0 bit 6 ABTF: ÕÒÑ ÑÔÖÐ 1 = ÕÒÑ ÑÊÈÍÉ 0 = ÕÒÑ Ñ~ bit 5 bit 4 MLOA: ÕÒÑ ÑÊÎ ÓÒÖ ÑÕ ÓÒÒÎÉÉ 1 = ~ÊÕÒÑ ÑÇÎ ÓÒÖ ÑÕ ÎÉÉ 0 = ~ÕÒÑ ÑÊÎ ÓÒÖ ÑÕ ÎÉÉÆÊÆ TXERR: ~ÏÖ ÓÒÒ 1 = ÕÒÑ Ñ~ÊÓÑÏÖ ÇÈÉ 0 = ÕÒÑ Ñ~ÊÓÑÏÖ ÇÈÊÇÉÉ bit 3 TXREQ: ÕÒÑ Ñ~uÓÒÒ 1 = ÓÒÔÎÊ~É (MCU ÊÕÒÑ Ñ~uÉÓÒÒÎÑÒÒÂ~ÉiÊÐÖÎ ) 0 = ÓÒÔÎÊ~ÉÉÊÊÆ (MCU ÊÕÒÑ ÑÎÈÍÉÌÓÒÒÎÐÖÎÉÇÍ ) bit 2 t : wìé 0 bit 1-0 TXP: ~ÓÒÔÎ <1:0> 11 = ÕÒÑ Ñ 10 = ÕÒÑ Ñ 11 = ÕÒÑ Ñ 00 = ÕÒÑ Ñ : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 18 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ 6:465%64. 6:P465 Ó ÉÖÑÑÑ ÎÒÖÑ &J U-0 U-0 R-x R-x R-x R/W-0 R/W-0 R/W-0 B2RTS B1RTS B0RTS B2RTSM B1RTSM B0RTSM bit 7 bit 0 bit 7 t : wìé 0 bit 6 t wìé 0 bit 5 B2RTS: TX2RTS Ó ÓÒÒ bit 4 bit 3 bit 2 bit 1 bit 0 - ÒÏÑÑÖÕ ÒÊÉÇ TX2RTS Ó ÊÎwÌ - Ó Ç~uÕ ÒÊÉÇwÌÉ 0 B1RTS: TX1RTX Ó ÓÒÒ - ÒÏÑÑÖÕ ÒÊÉÇÊÂTX1RTS Ó ÊÎwÌÍ - Ó Î~uÕ ÒÉÆÉÇÊÊwÌÉ 0 B0RTS: TX0RTS Ó ÊÓÒÒ - ÒÏÑÑÖÕ ÒÊÉÇÊ TX0RTS Ó ÊÎwÌÍ - Ó Î~uÕ ÒÉÆÉÇÊÊwÌÉ 0 B2RTSM: TX2RTS Ó Õ ÒÓÒÒ 1 = TXB2 ÓÒÔÎÊÕÒÑ Ñ~uÊÓ ÉÈÉÆÂ ÍÏÒÑÉ 0 = ÒÏÑÑÖ B1RTSM: TX1RTS Ó Õ ÒÓÒÒ 1 = TXB ÓÒÔÎÊÕÒÑ Ñ~uÊÓ ÉÈÉÆÂ ÍÏÒÑÉ 0 = ÒÏÑÑÖ B0RTSM: TX0RTS Ó Õ ÒÓÒÒ 1 = TXB ÓÒÔÎÊÕÒÑ Ñ~uÊÓ ÉÈÉÆÂ ÍÏÒÑÉ 0 = ÒÏÑÑÖ : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 19

ÖÑÑÑ 6:$P5+&* ~ÓÒÔÎ P ÊxÁ ÎÒÖÑ JJJ R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x SID10 SID9 SID8 SID7 SID6 SID5 SID4 SID3 bit 7 bit 0 bit 7-0 SID: xóòò <10:3> : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 20 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ 6:$P5+&. ~ÓÒÔÎ P ÊxÁ ÎÒÖÑ JJJ R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x SID2 SID1 SID0 EXIDE EID17 EID16 bit 7 bit 0 bit 7-5 SID: xóòò <2:0> bit 4 t : wìé 0 bit 3 EXIDE: xïó ÔÖÓÒÒ 1 = ÕÒÑ ÑÎxÉÈÉ~ÈÍ 0 = ÕÒÑ ÑÎxÉÈÉ~ÈÍ bit 2 t : wìé 0 bit 1-0 EID: xóòò <17:16> : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 21

ÖÑÑÑ 6:$P'+& ~ÓÒÔÎ PÊxÁ ÎÒÖÑ JJJ R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8 bit 7 bit 0 bit 7-0 EID: xóòò <15:8> : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 22 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ 6:$P'+& ~ÓÒÔÎ P x ÎÒÖÑ JJJ R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0 bit 7 bit 0 bit 7-0 EID: xóòò <7:0> : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 23

ÖÑÑÑ 6:$P&.%~ÓÒÔÎ P ÊÒ Ñ Ð Ò ÎÒÖÑ JJJ R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x RTR DLC3 DLC2 DLC1 DLC0 bit 7 bit 0 bit 7 t : wìé 0 bit 6 RTR: ÖÕ Ò~uÓÒÒ 1 = ÕÒÑ ÑÎÖÕ Ò~uÉÈÉ~ÈÍ 0 = ÕÒÑ ÑÎÒ ÑÔÖ ÕÉÈÉ~ÈÍ bit 5-4 t : wìé 0 bit 3-0 DLC: Ò Ñ Ð Ò <3:0> ~ÈÍÍÒ ÑÓÏÒÎÑÒÒÈÍ (0 8 bytes) &.% ÊÊ ÊÎvÈÍÇÉÇÉÇÌÈÇÂ~ÈÍÍÊÊ ÓÏÒÉÇÉÈÂ : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 24 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ 6:$P&O ~ÓÒÔÎ P ÊÒ ÑÓÏÒO ÎÒÖÑ J&JJ&JJ&J R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x TXBnDm 7 TXBnDm 6 TXBnDm 5 TXBnDm 4 TXBnDm 3 TXBnDm 2 TXBnDm 1 TXBnDm 0 bit 7 bit 0 bit 7-0 TXBnDM7:TXBnDM0: ~ÓÒÔÎ n Ò ÑÔÏ ÖÒÓÏÒ m : R = wì}ìh W = Ç}Ìh U = t, wìé 0 -n = POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 25

NOTES: DS21801D-page 26 Preliminary 2005 Microchip Technology Inc.

ÕÒÑ Ñ ÕÒÑ ÑÊÓÒÔÎ ÁMCP2515 Ê ÉÊÔÖÒÔÏÖÑÉÇÊ ÊÓÒÔÎÎÌÉÉÆÌÈÂÈÍÊ ÉÌÊ ÓÒÔÎÉÈÉÇÕÒÑ ÑÎÑ ÔÖÓÒÔÎ (MAB) ÎÊÌÉÉÆÌÈÂ( ) 4.1.1 ÕÒÑ ÑÎÑ ÔÖÓÒÔÎ Á ÉÊÓÒÔÎÊÆÉÂMAB ÊÊÓÑÇÍÊ ÊÕÒÑ ÑÎhÉÊÉÉÆÌÈÂMAB ÊÈ ËÉÊÕÒÑ ÑÎÌÉÌÈÂÇÍÍÊÕÒ Ñ ÑÊÂÔÏÖÑÊÿiÈÉÌÊÉÇÇ RXBn ÓÒÔÎ( ÖÑÑÑ ÇÍ ÖÑÑÑ ) Ê ~ÈÍÌÈÂ 4.1.2 RXB0 É RXB1 ÁÍÊ ÉÊÓÒÔÎÊÂRXB0 É RXB1 É ÊÍÂMAB ÉÔÖÒÐÖÏ Ñ ÇÍÊÊ ÕÒÑ ÑÎÈÍÇÉÇÉÇÌÈÂMPU ÇÉ ÊÓÒÔÎÎÈÉÆÍ ÂÌÆÉÊÓÒÔÎ ÊÌÈÇÊÊÈÍÉÒ ÑÎÈÍÉÌ ÊÈÍÌÈ ÆÉÉÎÕÒÑ ÑÇÇÍÍÍÍÉÂ/#$ ÊÇÓÒÔÎÊÈÍÌÈÂ ÉÌÍÂx Ç ÌÒ Ñ ÓÏÒÊ ÍÍÈÂÓÒÔÎÇ/#$ ÊÉÇÈÍÉÈÌÆÌÈÂÈÉÇÉ ÉÂÓÒÔÎÊÖÑÑÑÊÊÂÍ ÇÊÕÒÑ ÑÎÈÉÍÇÍÍÉ ÈÊÇÍÊÊÍÌÈÎÂ 4.1.3 ÔÖÐ Í}Ì ÁÕÒÑ ÑÇÆÈÍÇÊÓÒÔÎÊÈÍÍ ÉÂÈÍ CANINTF.RXnIF ÓÒÒÇÑÒÒÈÍÌ ÈÂÈÆÕÒÑ ÑÎÓÒÔÎÊÈÍÉÌÊÊÂ MCU ÊÍÍÇÊÓÒÒÎÐÖÎÈÊÇÍÊÊÍÌÈ ÎÂÇÊÓÒÒÊÂMCU ÇÕÒÑ ÑÎÈ ÍÌÉÂMCP2515 ÇÓÒÔÎÊÉÊÕÒÑ ÑÎÖ ÒÈÍÊÎÊÖÒÐÎÏÒÈÌÈÂ ÁÌÈÂCANINTE.RXnIE ÓÒÒÇÑÒÒÈÍÉÆÍ ÉÂÍ}ÌÇ INT Ó ÊÈÍÂÊÕÒÑ ÑÇÈÍÉÇÉÎ~ÈÌÈÂÈÍÊÂÈÍ RXnBF Ó ÇÓÒÔÎÔÖÓ ÉÈÉÈÍ ÉÆÍÊÂÓ Ê.QY ÊÒÖÏÔÈÍÌÈÂvÊ 4:$( É 4:$( Ó ÎÈÉÇÉÈÆÂ ÁRXB0 ÊÓÒÔÎÉÂ ÉÊÔÑÐÉ ÉÊ ÕÒÑ ÑÔÏÖÑÎÉÉÆÌÈÂÈÉ ÕÒÑ ÑÊÊÂÌÈÇÊ RXB0 ÊÔÑÐÉÔÏÖÑ ÇÈÍÌÈÂ ÁRXB1 ÊÊÓÒÔÎÉÂ ÉÊÔÑÐÉ ÉÊÔÏÖÑÎÉÉÆÌÈÂ ÁÌÈ RXB0 ÊÔÑÐÉÔÏÖÑÇÈÍÉÕÒ Ñ ÑÊÂÈÍÊÂÆÊÔÏÖÑÇÈ ÍÂÍÍÈÇ RXB0 ÊÿiÈÍÇÇvÈÍÍÊÉÂ ÓÒÔÎÊÈÍÍÇÇÊÍÇÉÊÊÍÌ ÈÂ ÁÕÒÑ ÑÇÈÍÍÉÂRXBnCTRL ÖÑÑÑÊ ÓÒÒ <3:0> ÇÍÉÔÏÖÑÊÉÂ ÕÒÑ ÑÇÖÕ Ò~uÇÊÆÇÎÈÉÆÌ ÈÂ 4.2.1 Ö ÖÏ Ó ÁÇÍÊÆÉÂRXB0 ÇÊÕÒÑ ÑÎÎÉ ÆÍÉÇÊÊÊÕÒÑ ÑÎÈÉÍÂÏ Ó ÔÖ ÎzÇÈÈÂRXB1 ÊÊÇÇÍÍ ÈÂÈÆÕÒÑ ÑÎ RXB1 ÊÈÍÆÊ RXB0CTRL ÖÑÑÑÎÈÍÇÉÇÉÇÌÈÂ 4.2.2 RXM ÓÒÒ ÁRXBnCTRL.RXM ÓÒÒÊÂÕ ÒÎÑÒ ÒÈÌÈÂ~ÊÂÇÍÍÊÓÒÒÊ 00 ÊÐÖÎÈ ÍÂÈÍÔÏÖÑÉÈÍÉÈËÉÊ ÊÕÒÑ ÑÇÉÇÍÍÆÊÈÌÈÂÇÊÊ ÊÂÌÉÊÕÒÑ ÑÎÇÍÍÇÊÆÇ ÎÌÍÊÊÂÔÏÖÑÖÑÑÑÊ RFXnSIDL.EXIDE ÓÒÒÉÌÍÍÌÈÂ ÁRXBnCTRL.RXM ÓÒÒÇ 01 Ç 10 ÊÑÒÒÈÍÍ ÉÂÊÂvÊÈÉÇÕÒÑ ÑÊ ÉÍÇÈÇÈÊÆÍÆÊÊÍÌÈÂ ÁÔÏÖÑÊ RFXnSIDL.EXIDE ÓÒÒÇÑÒÒ ÈÍÉÆÍÉÂRXBnCTRL.RXM ÊÕ ÒÉÿiÈÈÂ ÔÏÖÑÊÉÊÍÌÈÂÇÊ RXBnC- TRL.RXMÓÒÒÊÍÍ ÉÊÕ ÒÊÂÓÑÊÇ ÕÒÑ ÑÊÆÈÍÇÈÇÊÆÑÑÒÕÉÍÍ ÌÈÂ ÁRXBnCTRL.RXM ÓÒÒÇ 11 ÊÑÒÒÈÍÍÉÂ ÔÏÖÑÊÊ ÍÍÈÂÓÒÔÎÊÈËÉÊÕÒ Ñ ÑÎÈÌÈÂÌÉÂÕÒÑ ÑÇ EOF ÍÍ ÊÏÖ ÉÊÉÉÉÇÊÊÂÏÖ ÔÖ ÕÌÉ Ê MAB ÊÌÉÍÍÉÊÕÒÑ ÑÇÓÒÔÎ ÊÖ ÒÈÍÌÈÂÇÊÕ ÒÊ CAN ÑÑÒÕÊÒ ÓÒÐÉÂÑÑÒÕÉÊÍÍÌÈÎÂ 2005 Microchip Technology Inc. Preliminary DS21801D-page 23

ÑÑ ÒÏÔÔÖ Õ ÁRXCAN Ó ÊÈÍÉ CAN ÕÒÑ ÑÊ ÉÂÑÑ ÒÏÔÔÖ ÕÇvÈÍÉÆÍÊÂ SOF Ó ÊÈÍÌÈÂ ÁRXCAN Ó ÊÎÏÒÖÓÑÎÕÓÑÈÉÆÉÂÖ ÑÒÑÔÇÍÒÕÒ ÒÊÏÒÑÎuÉÇÍÍÆ ÊÈÌÈÂÐ ÔÖÌÉÒÕÒ ÒÊÌÌÊÍÂ MCP2515 ÊÇÍÎ SOF ÉuÈÂSOF ÓÖÑÎ ÈÌÈÂÐ ÔÖÌÉÒÕÒ ÒÊÌÌÉÊÇ ÍÊÂMCP2515 ÊÇÍÎÓÑÊÐÖÒÒÉuÈÂ SOFÊÈÌÈÎÂ ÊSOFÉÐÖÒ ÒÔÏÖÑÊÉÆÉwÈÉÆÌÈÂ ÁTTCAN ÑÏÔÊÑÑÒÕÉÊÂÖ ÑÕÒÒÕ ÒÉÈÉ SOF ÇÍÍÌÈÂÈÍÊÂRXCAN Ó É SOF Ó ÎÿdÊÕÓÑÈÍÉÂÍÈÇÊÐÖÒ ÒÌÈÍÇÉÇÉÇÌÈÊÉÂCAN ~Ê Î ÆÍÊÂMCU ÇÊÓÑÊŠÎ ÈÍÇÉÇÉÇÌÈÂ 4:$( É 4:$( Ó ÁMCU ÊÇÊÊÉÉÉÍ}ÌÇ ÉÇÍÍÆÊÂINT Ó ÊÆÉÓÒÔÎÔÖÓ (RX0BF É RX1BF) ÇÂÈÍÈÍ RXB0 Ç RXB1 Ê ÉÊÕÒÑ ÑÇÖ ÒÈÍÉÇÉÎsÈÊÊÆ ÌÈÂÇÍÍÊÓ ÊvÊ ÉÊÊÉÉÇ ÍÌÈÂ( ÖÑÑÑ ) 1. 2. ÓÒÔÎÔÖÍ}Ì 3. ÒÏÑÑÖ 4.4.1 ÁRXBnBF Ó ÊÈÍÍÉ BFPCTRL.BnBFE Î ÐÖÎÈÂÓÏÏ Ó Ñ ÑÉÊÍÌÈÂ 4.4.2 ÓÒÔÎÔÖÉÈÉ ÁRXBnBF Ó ÊÓÒÔÎÔÖÍ}ÌÓ ÇÂ Ó ÉÈÉÈÍÇÉÇÉÇÌÈÂÇÍÍÊÓ ÊÉÊ BFPCTRL ÖÑÑÑÉÉÇÌ ÈÂ( ÖÑÑÑ )Á( BFPCTRL.BxBFE É BFPC- TRL.BxBFMÓÒÒÎÑÒÒÈÍÇÉÉ)Í}Ì Õ ÒÉÈÉvÈÍÍÉÂÇÍÍÊÓÒÒÊÎÐ ÒÏÔ.QY ÉÊÍÂÓÒÔÎÊ CANINTF.RXnIF ÓÒÒÊÔÒÓ ÐÈÍÌÈÂÓÒÔÎÊÈ ÍÇÊÓÒÒÇ *KIJ ÊÊÍÉÂ ÓÒÔÎÊÉÊ ÕÒÑ ÑÇÈÍÉÇÉÎs È ÈÍ RXBnBF Ó Ç.QY ÉÊÍÌÈÂMCU ÊÍÍ CAN- INTF.RXnIF ÓÒÒÇÐÖÎÈÍÍÉÂÈÍÍ} ÌÓ Çw *KIJ ÉÊÍÂÊÕÒÑ ÑÇ ÓÒÔÎÊÖ ÒÈÍÍÌÉÈÌÈÂ 56#461((4#/' ~Ê SOF START-OF-FRAME ID Ð ÔÖ RXCAN SOF ÈÍÍ START-OF-FRAME ÈÍÍ Ð ÔÖ ÓÑÎÏÒÖ RXCAN SOF DS21801D-page 24 Preliminary 2005 Microchip Technology Inc.

4.4.3 ÒÏÑÑÖÉÈÉ ÁÒÏÑÑÖÉÈÉÆÊÊÂ ~ÈÍÓÒ ÔÎÊ BFPCTRL.BxBFM ÎÐÖÎÈÂBFPC- TRL.BnBFE ÓÒÒÎÑÒÒÈÌÈÂÇÊÕ ÒÉÊÂ Ó ÊÊÂBFPCTRL.BnBFS ÓÒÒÉÈÍÌ ÈÂBnBFS ÓÒÒÊ 1 ÎÇÉÂÈÍÓÒÔÎ ÔÖÓ Ç *KIJ ÖÔÖÊÒÖÏÔÈÍÂ 0 ÎÇÉ.QY ÊÒÖÏÔÈÍÌÈÂÇÊÕ ÒÉÓ ÎÆÉ ÇÊÊÂÓÒÔÎÔÖÓ ÊzÇÆÍÐÖÒÒÎ ÈÍÉÌÂÓ ÊÊÓÒÒÊ SPI ÐÔ ÒÎ ÆÇÉÉÈÇÉÇÌÈÎÂ s 4:0$( Ó Ê BnBFE BnBFM BnBFS Ó 0 X X Â 1 1 X ÓÒÔÎÍ}Ì 1 0 0 ÒÏÑÑÖ = 0 1 0 1 ÒÏÑÑÖ = 1 ÓÒÔÎÔÖÒÐ /#$ ÊÈÍÉÕÒÑ ÑÊÂÌÈ 4:$& Ê ÔÑÐÉÔÏÖÑÇÈÍÌÈÂÈÍÊÂ ÉÇÇÔÏÖÑÿiÈÌÈÂ ÉÌÍÂÌ ÈÕÒÑ ÑÇ 4:( É 4:(ÊÊÿiÈ ÉÍ 4:( ÊÿiÈÉÉÈÍÕÒÑ ÑÊ 4:$ Ê ~ÈÍÌÈÂ ÔÑÐ RXM1 ÔÏÖÑ RXF2 ÔÑÐ RXM0 ÔÏÖÑ RXF0 ÔÏÖÑ RXF3 ÔÏÖÑ RXF4 Í Í ÔÏÖÑ RXF1 ÔÏÖÑ RXF5 R X B 0 x M A B x R X B 1 Ò ÑÔÏ ÖÒ Ò ÑÔÏ ÖÒ 2005 Microchip Technology Inc. Preliminary DS21801D-page 25

ÔÖ ÒÕ Ò ÑÑ Ò No Î? Yes ÕÒÑ ÑÎÕÒÑ ÑÌÉ ÓÒÔÎ (MAB) ÊÖ Ò ÏÖ ÔÖ Õ No u ÕÒÑ Ñ Ç? Yes Yes 4:$ Ê ÔÏÖÑÊ ÿiç? No 4:$ Ê ÔÏÖÑÊ ÿiç? Yes No ÖÑÑÑÇÉ ÕÒÑ ÑÇÍh ÇÊÆÇÎ ÑÑ ÒË RXB0 ÇÔÖÊÍ RXB1 Ê Î CANINTF.RX0IF = 0 Ç? No RXB0CTRL.BUKT = 1 Ç? Yes Yes RXB0 ÊÕÒÑ Ñ ~ No : EFLG.RX0OVR ÎÑÒÒ : EFLG.RX1OVR ÎÑÒÒ No Is CANINTF.RX1IF = 0? CANINTF.RX0IF = 1 Yes ÔÏÖÑÊÍÍ RXB0CTRL.FILHIT <0> Î No CANINTE.ERRIE = 1 Ç? Yes INT Í}Ì ÑÑ ÒË RXB1 ÊÕÒÑ Ñ ~ CANINTF.RX1IF = 1 ÊÊÔÏÖÑÊÿiÈÉÇ ÊÍÉÉ RXB0CTRL.FILHIT <2:0> Î Yes INT Í}Ì Yes CANINTE.RX0IE = 1? CANINTE.RX1IE = 1? No BFPCTRL.B0BFM = 1 ÇÉ BF1CTRL.B0BFE = 1 Ç? No Yes RXB0 RXBF0 Pin = 0 CANSTAT <3:0> ÕÒ Ñ ÑÇÖ ÒÈÍÉ ÓÒÔÎÊÍÍ RXB1 RXBF1 Pin = 0 Yes No BFPCTRL.B1BFM = 1 ÇÉ BF1CTRL.B1BFE = 1 Ç? No DS21801D-page 26 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ 4:$%64. ÓÒÔÎ ÎÒÖÑ J U-0 R/W-0 R/W-0 U-0 R-0 R/W-0 R-0 R-0 RXM1 RXM0 RXRTR BUKT BUKT1 FILHIT0 bit 7 bit 0 bit 7 t : wìé 0 bit 6-5 RXM: ÓÒÔÎÕ ÒÓÒÒ 11 = ÔÑÐ ÔÏÖÑÇÏÔÉÂÈËÉÊÕÒÑ ÑÎ 10 = xéôïöñêÿièéõòñ ÑÉÇ 01 = xéôïöñêÿièéõòñ ÑÉÇ 00 = xçxîééæéâôïöñêÿièéèëéêõòñ ÑÎ bit 4 t : wìé 0 bit 3 RXRTR: ÖÕ Ò~uÓÒÒÎÈÉ 1 = ÖÕ Ò~uÎÈÉ 0 = ÖÕ Ò~uÊÈÉÆÊÆ bit 2 BUKT: vóòò 1 = RXB0 ÇÔÖÊÍ RXB0 ÕÒÑ ÑÎ RXB1 ÊÍÆÉÇ}Ì 0 = bit 1 BUKT1: wìíábukt ÓÒÒÉÈ (MCP2515 ÉÍÍÍ ) bit 0 FILHIT: ÔÏÖÑÿiÓÒÒ - ÕÒÑ ÑÇÊÊÔÏÖÑÇÎsÈ 1 = ÔÏÖÑ 1 (RXF1) 0 = ÔÏÖÑ 0 (RXF0) 4:$ ÇÍ 4:$ ËÊÇzÇÍÉÂ(+.*+6 ÓÒÒÊÍÆÍÍÉÕÒÑ ÑÎ ÇÍÉÊÔÏÖÑÎÈÍÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 27

ÖÑÑÑ 4:$%64. ÓÒÔÎ ÎÒÖÑ J U-0 R/W-0 R/W-0 U-0 R-0 R-0 R-0 R-0 RXM1 RXM0 RXRTR FILHIT2 FILHIT1 FILHIT0 bit 7 bit 0 bit 7 t : wìé 0 bit 6-5 RXM: ÓÒÔÎÕ ÒÓÒÒ 11 = ÔÑÐ ÔÏÖÑÎÏÔ ÈËÉÊÕÒÑ ÑÎ 10 = ÔÏÖÑÉÿiÈÍxÎÌÉÕÒÑ ÑÉÇ 01 = ÔÏÖÑÉÿiÈÍxÎÌÉÕÒÑ ÑÉÇ 00 = ÔÏÖÑÉÿiÈÍÌÉÊxÎÌÉÈËÉÊÕÒÑ ÑÎ bit 4 t : wìé 0 bit 3 RXRTR: ÖÕ Ò~uÓÒÒÊ 1 = ÖÕ Ò~uÎÈÉ 0 = ÖÕ Ò~uÊÈÉÆÊÆ bit 2-0 FILHIT: ÔÏÖÑÿiÓÒÒ ÕÒÑ ÑÇÊÊÔÏÖÑÇÎÈ 101 = ÔÏÖÑ 5 (RXF5) 100 = ÔÏÖÑ 4 (RXF4) 011 = ÔÏÖÑ 3 (RXF3) 010 = ÔÏÖÑ 2 (RXF2) 001 = ÔÏÖÑ 1 (RXF1) (RXB0CTRL Ê BUKT ÓÒÒÇÑÒÒÈÍÉÍÉÇÊÌ ) 000 = ÔÏÖÑ 0 (RXF0) (RXB0CTRL Ê BUKT ÓÒÒÇÑÒÒÈÍÉÆÍÉÇÊÌ ) : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 28 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ $(2%64.4:P$( Ó É ÎÒÖÑ %J U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 B1BFS B0BFS B1BFE B0BFE B1BFM B0BFM bit 7 bit 0 bit 7 t : wìé 0 bit 6 t : wìé 0 bit 5 B1BFS: RX1BF Ó ÓÒÒ ( ÒÏÑÑÖÕ ÒÊÉÇÊÌ ) RX1BF ÇÍ}ÌÓ ÉÈÉÈÍÉÆÍÉÇÊwÌÉ 0 bit 4 B0BFS: RX0BF Ó ÓÒÒ ( ÒÏÑÑÖÕ ÒÊÉÇÊÌ ) RX0BF ÇÍ}ÌÓ ÉÈÉÈÍÉÆÍÉÇÊwÌÉ 0 bit 3 B1BFE: RX1BF Ó hóòò 1 = Ó hâõ ÒÊ B1BFM ÊÍÍÈÍ 0 = Ó hâó ÊÓÏÏ Ó Ñ ÑÉÊÍ bit 2 bit 1 bit 0 B0BFE: RX0BF Ó hóòò 1 = Ó hâõ ÒÊ B0BFM ÊÍÍÈÍÍ 0 = Ó hâó ÊÓÏÏ Ó Ñ ÑÉÊÍ B1BFM: RX1BF Ó Õ ÒÓÒÒ 1 = Ó Î RXB1 ÊÕÒÑ ÑÈÉÉÇÊÍ}ÌÓ ÉÈÍ 0 = ÒÏÑÑÖÕ ÒÉÈÍ B0BFM: RX0BF Ó Õ ÒÓÒÒ 1 = Ó Î RXB0 ÊÕÒÑ ÑÈÉÉÇÊÍ}ÌÓ ÉÈÍ 0 = ÒÏÑÑÖÕ ÒÉÈÍ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:$P5+&* ÓÒÔÎ PÊx ÎÒÖÑ JJ R-x R-x R-x R-x R-x R-x R-x R-x SID10 SID9 SID8 SID7 SID6 SID5 SID4 SID3 bit 7 bit 0 bit 7-0 SID: xóòò <10:3> ÇÍÍÊÓÒÒÊÂÕÒÑ ÑÊxÊ ÓÒÒÎÌ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 29

ÖÑÑÑ 4:$P5+&.ÓÒÔÎ P ÊxÁ ÎÒÖÑ JJ R-x R-x R-x R-x R-x U-0 R-x R-x SID2 SID1 SID0 SRR IDE EID17 EID16 bit 7 bit 0 bit 7-5 SID: xóòò <2:0> ÇÍÍÊÓÒÒÊÂÕÒÑ ÑÊxÊ ÓÒÒÎÌ bit 4 SRR: ÔÖ ÕÊÖÕ Ò~uÓÒÒ (IDE ÓÒÒ = 0 ÊÉÇÉÇ ) 1 = ÔÖ ÕÊÖÕ Ò~uÎÈÉ 0 = Ò ÑÔÖ ÕÎÈÉ bit 3 IDE: xôöðóòò ÇÊÓÒÒÊÂÕÒÑ ÑÇÔÖ ÕÇÔÖ ÕÇÎÈ 1 = ÕÒÑ ÑÊÔÖ Õ 0 = ÕÒÑ ÑÊÔÖ Õ bit 2 t : wìé 0 bit 1-0 EID: xóòò <17:16> ÇÍÍÊÓÒÒÊÂÕÒÑ ÑÊxÊ ÓÒÒÎÌ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:$P'+&ÓÒÔÎ PÊxÁ ÎÒÖÑ JJ R-x R-x R-x R-x R-x R-x R-x R-x EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8 bit 7 bit 0 bit 7-0 EID: xóòò <15:8> ÇÍÍÊÓÒÒÊÕÒÑ ÑÊxÊ ÇÍ ÓÒÒÎ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 30 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ 4:$P'+&ÓÒÔÎ P ÊxÁ ÎÒÖÑ JJ R-x R-x R-x R-x R-x R-x R-x R-x EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0 bit 7 bit 0 bit 7-0 EID: xóòò <7:0> ÇÍÍÊÓÒÒÊÕÒÑ ÑÊxÊÓÒÒÎÌ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:$P&.%ÓÒÔÎ P ÊÒ Ñ Ð Ò ÎÒÖÑ JJ U-0 R-x R-x R-x R-x R-x R-x R-x RTR RB1 RB0 DLC3 DLC2 DLC1 DLC0 bit 7 bit 0 bit 7 t : wìé 0 bit 6 RTR: ÔÖ ÕÖÕ Ò~uÓÒÒ (RXBnSIDL.IDE = 1 ÊÉÇÊÌ ) 1 = ÔÖ ÕÖÕ Ò~uÓÒÒÎÈÉ 0 = Ò ÑÔÖ ÕÎÈÉ bit 5 RB1: ÓÒÒ 1 bit 4 RB0: ÓÒÒ 0 bit 3-0 DLC: Ò Ñ Ð ÒÓÒÒ <3:0> ÈÉÒ ÑÊÓÏÒÎÈ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:$P&/ÓÒÔÎ P ÊÒ ÑÓÏÒ / ÎÒÖÑ J&JJ&J R-x R-x R-x R-x R-x R-x R-x R-x RBnDm7 RBnDm6 RBnDm5 RBnDm4 RBnDm3 RBnDm2 RBnDm1 RBnDm0 bit 7 bit 0 bit 7-0 RBnDm7:RBnDm0: ÓÒÔÎ n ÊÒ ÑÔÏ ÖÒ m ÓÏÒ ÕÒÑ ÑÊÒ ÑÊ ÓÏÒÎÌ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 31

ÕÒÑ ÑÔÏÖÑÉÔÑÐ ÁÕÒÑ ÑÔÏÖÑÉÔÑÐÊÂÕÒÑ Ñ ÌÉÓÒÔÎÊÕÒÑ ÑÇÊÉÍÇÊÓÒ ÔÎÊ ~ÈËÇÇÊÆÇÎÈÍÉÌÊÈÍ ÌÈÂ( ) ÊÕÒÑ ÑÇ MAB Ê ÈÍÍÉÂÕÒÑ ÑÊxÔÏ ÖÒÇÔÏÖ Ñ É ÈÍÌÈÂÿiÈÍÉÂÈÊÕÒÑ Ñ ÊÈÍÓÒÔÎÊ ~ÈÍÌÈÂ 4.5.1 Ò ÑÓÏÒÔÏÖÑ ÁÒ ÑÔÖ Õ (11 ÓÒÒÊx ) ÎÈ ÉÉÇÊÂMCP2515 ÊiÊÒ ÑÔÏ ÖÒÊ Ê ÓÒÒÊxÊÈÉÂ~Ê 16 ÓÒÒÊÔÑÐÉÔÏÖÑÎÈÌÈÂ Ò Ñ ÓÏÒ 0 É 1 ÉÈÉ Á ÊÔÑÐÉÔÏÖÑÇ Ò ÑÔÖ ÕÎÒ ÑÔÖ ÕÊÈÊÊ ÍÆÊÈÍÍÇÎÈÉÆÌÈÂ ÁÒ ÑÓÏÒÎÔÏÖÑÖ ÐÈÍÇÉÉÂÊ Ò ÑÓÏÒÎÔÏÖÑÈÍÔÖÒÐÖ (HLP)( ÆÊ DeviceNet ) ÇtÈÍÉÊ MCU ÊylÎÍÈÌÈÂ 4.5.2 ÔÏÖÑÿi ÁÔÏÖÑÉÔÑÐ ( ÖÑÑÑ ÇÍÖÑÑÑ Î ) ÊÂxÊÊÊÓÒÒÊÔÏÖÑÎ ÈÍÇÎÈÌÈÂs ÊÈsÊÂx ÊÓÒÒÇÂÊÊÍÆÊÔÑÐÈÍÔÏÖÑÉ ÈÍÉÂÓÒÔÎÊÈÍÍÇÎÈÉÆÌ ÈÂÔÑÐÊÊÊÓÒÒÊÔÏÖÑÎÈÍÇ ÎÈÌÈÂÔÑÐÓÒÒÇÑÖÊÍÈÊÓÒÒÊ ÔÏÖÑÓÒÒÊ ÍÍÈÂiÊÍÌÈ s ÔÏÖÑ ÔÑÐÊs x n n ÓÒÒ n 0 X X 1 0 0 1 0 1 1 1 0 1 1 1 X ÁÓÒÔÎÔÖÒÐ ( ) ÊÈÉÍÆÊÂ ÔÏÖÑ RXF0 É RXF1( ÈÈÉÔÏÖÑÔÑÐ RXM0) ÊÂRXB0 Ê ~ÈÌÈÂRXF2, RXF3, RXF4, RXF5 ÉÔÑÐ RXM1 Ê RXB1 Ê ~ÈÌÈÂ %#0 ÔÖ ÕËÊÔÑÐÉÔÏÖÑÊ ÔÖ Õ ID10 ID0 EID17 EID0 É ÊÊ +& ÊÈÍÍ Ò ÑÔÖ Õ ID10 ID0 * Ò ÑÓÏÒ 0 Ò ÑÓÏÒ 1 11 +& 16 * * ÓÒÒÊ MSB (EID17 É EID16) ÊÔÑÐÊÌÔÏÖÑÊÌÍÍÊÆ DS21801D-page 32 Preliminary 2005 Microchip Technology Inc.

4.5.3 ÔÏÖÑÿiÓÒÒ ÁÕÒÑ ÑÊÔÏÖÑÿiÇÊÍÊÔÏÖÑÇ ÊÂÈÍ RXBnCTRL ÖÑÑÑÊ FILHIT ÓÒÒÉ ÌÍÌÈÂRXB0CTRL.FILHIT0 ÊÓÒÔÎ 0 ÊÂ RXB1CTRL.FILHIT<2:0> ÊÓÒÔÎ1 ÊÈÌÈ Â ÁÓÒÔÎ1 (RXB1) Ê ÓÒÒÊ FILHIT ÓÒÒ ÊÂvÊÍÆÊÐ ÒÈÍÌÈÂ: - 101 = ÔÏÖÑ 5 (RXF5) - 100 = ÔÏÖÑ 4 (RXF4) - 011 = ÔÏÖÑ 3 (RXF3) - 010 = ÔÏÖÑ 2 (RXF2) - 001 = ÔÏÖÑ 1 (RXF1) - 000 = ÔÏÖÑ 0 (RXF0) 000 É 001 Ê4:$%64. Ê $7-6 ÓÒÒÇÑÒ ÒÈÍÉÂ4:$ ÊÕÒÑ ÑÇ 4:$Ê ~ÈÍÇÉÇvÈÍÉÆÍÉÇÉÇ ÈÌÈÂ ÁRXB0CTRL ÊÊ ÉÊ BUKT ÓÒÒÉ FILHIT<0> ÓÒÒÇÌÍÉÆÌÈÂ ÁBUKT ÓÒÒÊÐ ÒÊ RXB1CTRL.FILHIT É È ÓÒÒÉsÍÍÂRXF0 É RXF1 ÔÏÖÑÊÿi ÇÂRXB0 Ç RXB1 Ê ~ÈÍÉÇÎÈÌÈÂ - 111 = ÔÏÖÑ 1 (RXB1) - 110 = ÔÏÖÑ 0 (RXB1) - 001 = ÔÏÖÑ 1 (RXB0) - 000 = ÔÏÖÑ 0 (RXB0) ÁBUKT ÇÐÖÎÈÍÉÆÍÉÇÊÂ ÊÔÏÖÑ ÊÈÍ ~ÍÊÐ ÒÉÊÍÌÈÂBUKT ÇÑÒ ÒÈÍÉÆÍÉÇÊÂ ÊÔÏÖÑÊÈÍ ÊÐ ÒÊÆÉ RXB1 Ê ~Ê RXF0 É RXF1 É ÆÆ ~ÍÊÐ ÒÇ~ÈÍÌÈÂ 4.5.4 tôïöñÿi Á ÊÔÏÖÑÉÿiÈÉÉÇÊÂFILHIT ÓÒÒÇÿiÈÉÊÊÊÔÏÖÑÊÓÏÒ ÖÊÐ ÒÈÍÌÈÂÆÊÂRXF2 ÔÏÖÑÉ RXF4 ÔÏÖÑÉÿiÈÉÉÈÍÉÂFILHIT ÓÒÒÊ ÊÂRXF2 ÊÇÖ ÒÈÍÌÈÂÉÌÍÔÏÖ ÑÊÌÉÌÉÇÆ ÎÌÉÍÆÊ ÉÇÈÍÉÆÍÇÉÊÊÍÌÈÂÕÒÑ ÑÊÔÏ ÖÑ ÊÔÏÖÑÉ ÈÍÍÇÉÊÊÍÌÈÂ ÇÍÊÌÉÂÕÒÑ ÑÇÉÉÊÉÉÊÓÒÔÎÊÈ ÇÈÍÊÆÇÉÎvÈÌÈÂÉÌÍ RXB0 Ê RXB1 ÍÍÆ ÎÉÉÆÍÇÉÊÊÍÌ ÈÂ 4.5.5 ÔÑÐÉÔÏÖÑÊ ÁÔÑÐÉÔÏÖÑÖÑÑÑÊÂMCP2515ÇÐ ÔÏ ÐÕÖ ÑÕ Õ ÒÊÉÇÉÇÇhÉÈÂ( Õ ÒÎ ) ÕÒÑ ÑÔÑÐÉÔÏÖÑÊ ÔÏÖÑÖÑÑÑ ÔÑÐÖÑÑÑ RXFn 0 RXMn 0 RXFn 1 RXMn 1 RxRqst RXFn n RXMn n ÕÒÑ ÑÌÉÓÒÔÎ x 2005 Microchip Technology Inc. Preliminary DS21801D-page 33

ÖÑÑÑ 4:(P5+&*ÔÏÖÑ PÊx ÎÒÖÑ JJJJJJ R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x SID10 SID9 SID8 SID7 SID6 SID5 SID4 SID3 bit 7 bit 0 bit 7-0 SID: xôïöñóòò <10:3> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <10:3> ÊÈÍÔÏÖÑ ÓÒÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:(P5+&.ÔÏÖÑ P ÊxÁ ÎÒÖÑ JJJJJJ R/W-x R/W-x R/W-x U-0 R/W-x U-0 R/W-x R/W-x SID2 SID1 SID0 EXIDE EID17 EID16 bit 7 bit 0 bit 7-5 SID: xôïöñóòò <2:0> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <2:0> ÊÈÍÔÏÖÑ ÓÒÒÎÈÉÆÌÈÂ bit 4 t : wìé 0 bit 3 EXIDE: xóòò 1 = ÔÏÖÑÊÔÖ ÕÊÉÇÈÍÍ 0 = ÔÏÖÑÊÔÖ ÕÊÉÇÈÍÍ bit 2 t : wìé 0 bit 1-0 EID: xóòò <17:16> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <17:16> ÊÈÍÔÏÖÑ ÓÒÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 34 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ 4:(P'+&ÔÏÖÑ PÊxÁ ÎÒÖÑ JJ#JJJ#J R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8 bit 7 bit 0 bit 7-0 EID: xóòò <15:8> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <15:8> ÊÈÍÔÏÖÑ ÓÒÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:(P'+&ÔÏÖÑ PÊxÁ ÎÒÖÑ JJ$JJJ$J R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0 bit 7 bit 0 bit 7-0 EID: xóòò <7:0> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <7:0> ÊÈÍÔÏÖÑ ÓÒÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:/P5+&*ÔÑÐ PÊxÁ ÎÒÖÑ JJ R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 SID10 SID9 SID8 SID7 SID6 SID5 SID4 SID3 bit 7 bit 0 bit 7-0 SID: xôñðóòò <10:3> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <10:3>ÊÈÍÔÑÐÓÒ ÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 35

ÖÑÑÑ 4:/P5+&.ÔÑÐ PÊxÁ ÎÒÖÑ JJ R/W-0 R/W-0 R/W-0 U-0 U-0 U-0 R/W-0 R/W-0 SID2 SID1 SID0 EID17 EID16 bit 7 bit 0 bit 7-5 SID: xôñðóòò <2:0> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <2:0> ÊÈÍÔÑÐÓÒ ÒÎÈÉÆÌÈÂ bit 4-2 t : wìé 0 bit 1-0 EID: xôñðóòò <17:16> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <17:16> ÊÈÍÔÑÐ ÓÒÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:/P'+&ÔÑÐ P ÊxÁ ÎÒÖÑ JJ R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8 bit 7 bit 0 bit 7-0 EID: xôñðóòò <15:8> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <15:8> ÊÈÍÔÑÐ ÓÒÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4:/P'+&ÔÑÐ PxÁ #&&4'55JJ R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0 bit 7 bit 0 bit 7-0 EID: xôñðóòò <7:0> ÇÍÍÊÓÒÒÊÊÕÒÑ ÑÊxÊÓÒÒ <7:0> ÊÈÍÔÑÐÓÒ ÒÎÈÉÆÌÈÂ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 36 Preliminary 2005 Microchip Technology Inc.

ÓÒÒÑÏÕ Ð ÁÆÍ CAN ÓÑÊÈËÉÊÓ ÒÊÈÓÒ ÒÖ ÒÎÉuÇÆÍÌÈÂCAN ÔÖÒÐÖÊÂ Ò ÑÑÒÖ ÕÉÐÖÒÐÇÏ Ð ÒÉÇÊÆ ˆÑÖ (NRZ)Ð ÒÏ ÐÎÈÌÈÂÉ ÉÂÐÖÒÐÊÓ ÒÊÍÍÈÍÂ~ ÐÖÒÐÊÈÈÍuÇÆÍÌÈ ÁÉ~ ÊÓ ÒÊÈÍÊÉ ÊÆÍÊÖÒÐÖ Ô (PLL) ÎÉÂÒ Ñ ~ÏÒÑÉÎÉÉÐÖÒÐΠÈÍuÇÆÍÌÈÂÒ ÑÊ NRZ Ð ÒÊÊ ÉÂÏÒÑÇÊÇÉÌÓÒÒÈÍÇÉ ÊÂÒÑÑÖÔÏ ÑÖÒÐÖ Ô DPLLÊ ÎÈÍÇÉÎÊÈÍÉÌÊÓÒÒÑÑÒÔÏ ÐÎÌÍuÇÆÍÌÈ ÁMCP2515 ÊÓÒÒÑÏÕ ÐÊÊÂÒ ÑÊ ÎÍÊ DPLL ÇtÈÍÉÆÉÂ~Ò ÑÇÈÍÑÏÕ ÐÉÈÊÊÍÍÆÊÊÉ ÉÆÌÈÂDPLL ÊÓÒÒÑÏÕΠ(TQ) ÉÊÍÍÊÇÍÊÍtÊÑÐÕ ÒÊ ÈÌÈ ÁÓÒÒÑÏÕ ÐÔÖ ÕÊÉsÈÍÍÓÑÑ ÏÕ Ðh iêëêéçâóòòö Ð~tÉÇÂÐ ÔÖÊvÊÊ ÊÂÔÖÐ ÖÔÔÖÊ DPLL ÊÓÒÒÑÏÕ ÐÖÑÒÐÊÍÍ fèíìèâ %#0 ÊÓÒÒÑÏÕ ÁCAN ÓÑÊÈËÉÊÒÓÏÑÇÈÓÒÒÖ ÒÉÊÇÍÊÊÍÌÈÎÂÈÇÈÂÈËÉÊÒÓÏÑ ÇÈÔÑÑÐÖÒÐÇÍÈÍÍu ÊÆÍÌÈÎÂÂÊÒÓÏÑÇÉÊÐÖÒÐ ÊÊÉÌÂÔ Ö ÒÊvÉÑÐÕ ÒÊ ÊÎwÈÍÇÉÉÓÒÒÖ ÒÎ ÍÈÊÇÍÊÊÍÌÈΠÁCAN ÊÓÒÒÑÏÕÊÂtÈÊÆÑÐÕ ÒÉ ÍÍÌÈÂÇÊÑÐÕ ÒÊÂÒ ÑÑ ÒÊ ÉuwÈÍÍ (TQ) ÉÊÍÍÇÍ ÍÍÌÈÂÓÒÒÖ Ò (NBR) ÊÂCAN Ê ÉÂÊÊÆÊ~ÊÍÉÉ Ê ~ÈÍÍÓÒÒÉÈÉfÈÍÉÆÌÈÂÇÍÊ vésèíìèâ: ÓÒÒÑÏÕ 1 NBR = f = ------ bit t bit ÁÓÒÒÑÏÕ (NBT) (t bit ) ÊÂtÊÊÆÑÐÕ ÒÇÍÍÍÌÈÂ( )ÁÈÉÇÉÉ NBT Ê vñðõ ÒÊ ÉÊÍÌÈÂ: t = t + t + t + t bit SyncSeg PropSeg PS1 PS2 ÁNBT Ê ~ÈÉÐ ÔÖÇÆÍÌÈÂÑÕ Ô (SJW) É (IPT) ÊÉwÈÌÈ ÑÐÕ Ò ÁÑÐÕ Ò (SyncSeg) ÊÂNBT ÊÊÑÐÕ ÒÉÂÓÑÊÓ ÒÊÎÍÉÌÊÍÍÌ ÈÂÓÒÒÏÒÑÇ SyncSeg ÉÍÍÇÉÇÈ ÍÌÈÂÇÊÑÐÕ ÒÊ 1TQÉÉÈ %#0 ÓÒÒÑÏÕÑÐÕ Ò SyncSeg PropSeg PhaseSeg1 (PS1) PhaseSeg2 (PS2) ÓÒÒÑÏÕ (NBT), t bit Ð ÔÖ 2005 Microchip Technology Inc. Preliminary DS21801D-page 37

ÑÐÕ Ò ÁÑÐÕ Ò (PropSeg) ÊÂÓÒÒÖ ÐÊ ~ ÎtÈÍÉÌÊÆÍÌÈÂÇÍÍÊ ~ÊÂÈÍÓÑÒÖÏÓÊ~ÎÌÉÓÑ ÖÏ Êv Ê ÉÈÉfÈÍÌ ÈÂPropSeg Ê 1 8TQÊ ÉÔÖÐÖÔÔÖÉ ÈÂ ÔÏ ÑÑÐÕ Ò 1 (PS1) ÉÔÏ ÑÑÐÕ Ò 2 (PS2) Á ÉÊÔÏ ÑÑÐÕ Ò PS1 É PS2 ÊÂÓÑÊ ÏÒÑwÎtÈÍÉÌÊÍÍÌÈÂPS1 Ê ÊÍÉÉÊÈ ( ÌÉÊ PS2 ÎdÌÍ ) ÇÉÇ ÉÇÌÈÂPS1 Ê 1 8TQÊÉÔÖÐÖÔÔÖ ÉÂPS2 ÊÂ2 8TQÉÔÖÐÖÔÔÖÉÈÂ Ð ÔÖ ÁÐ ÔÖÊÂÓÒÒÑÏÕÉÖÑÒÐÖÔÖÇ wì}ìíuèííeéèâð ÔÖÊÂPS1 ÊÍÍÊeÇÍÌÈÂÇÊuÊÊÂÐ ÔÖ Õ ÒÇÓÒÒÍ ÊÐ ÔÖ ÐÉÈÍÉ ÆÍÉÈÂÇÊÊÊÂÓÒÒÊÌÊÍ PS1 Ê ÍÍÉÐ ÔÖÖ ÐÈÍÌÈÇÂÈÍÊ~Ê ÊÐ ÔÖ ÐÇ PS1 ÊÍÍÇÍ 1.5TQ ÊsÍÍÌÈÂÈÈÉÓÒÒÊÉÈÍÌ ÈÂ Á (IPT) ÊÂÐ ÔÖÈÉÓÒÒÊÓÒ ÒÖÔÖÎÌÍÊÊuÊ ÉÈÂIPT ÊÐ Ô ÖÉ ÈÍÂTQ ÉvÈÍÂÔÏÐÖÒÒÔÊ CAN ÕÑÕ ÖÉÊ 2TQÉÉÈÂÌÉÂPS2 ÇÐ ÔÖÉ ÈÍÂÓÒÒÑÏÕÊÊÑÐÕ ÒÌÉÉÊÍÊÉÂPS2 ÊÊÂIPT ÍÍÇÊÉ ÉÊÊÍÌÈÎÂ ÈÉÇÉÉ : ÑÕ Ô ÁÑÕ Ô (SJW) ÊÍÍÂ~ÕÒÑ ÑÉÊ ÎÉÉÌÂ1 4TQ vh ÉÓÒ ÒÐÖÒÐÎwÈÌÈÂÊÉÆÉÊÈÍÊÍv ÊÒ ÑÑ ÒÉ~ÈÌÈÂ ÁÓÒÒÑÏÕÎÍÑÐÕ ÒÊÈÍÈÍÊÂ (TQ) ÉÊÍÍÉÍÍÉÆÌÈÂ Ê ÈÊ (t OSC ) ÊÉÆÉÆÌ ÈÂÊ TQ ÊÂÊ ÉÈÂ Ê T OSC É TQ ÇÍÇÍÍÓÒÒÎÈÉÆÌÈÂ TQ Ê ÈÊÂTQÊ ÐÖÒÐ (t BRPCLK )ÊÈÇ ÊÉÉÆÉÂÔ Ö Ò (BRP) ÉÊÍÍ ÊÍÍÔÖÐÖÔÔÖÉÊÉÉÆÌÈÂÇÍÊv ÉsÈÍÌÈÂ: PS2 min = IPT = 2TQ 2 BRP TQ = 2 BRP T OSC = ------------------ F OSC ÇÇÉ : BRP Ê ÖÑÑÑ ÊÈÍÉÉ ÈÉÈÌÈÂ 63 ÉÓÒÒ tosc TBRPCLK tbit Sync ( ) PropSeg ( ) PS1 ( ) PS2 ( ) TQ (ttq) CAN DS21801D-page 38 Preliminary 2005 Microchip Technology Inc.

ÁÓÑÊÓ ÒÊ ÊÈÍÎt ÈÍÉÌÊÂCANÐ ÒÖ Ö ÊÊ ÊÏÒÑÊÈÈÍuÇÆÍÌÈÂÊ DPLL hçtèíéæíçéêííhêôöñ ÑÉÈÂ Á~Ò ÑÊÏÒÑÇÈÍÍÉÂÖÑÒÐÊ ÈÍÍ SyncSeg ÊÏÒÑÊeÉÊ ÎÈÌÈÂÈÍÇÍ{Ê PS1 É PS2 ÊÎuÉ ÆÍÊwÈÌÈÂÎÍÉÌÊÈÍÍ ÉÊÇÆÍÌÈÂ: 1. Ó Ò 2. 5.2.1 Ó Ò ÁÓ ÒÊÂBUS IDLE ÊÖÑÒÑÔÇÍ ÒÕÒ ÒÊÏÒÑÇÆÍÉÇÂÇÍÊÕÒÑ ÑÊ ÎÈÌÈÇÂÇÊÉÇÉÇsÍÍÌÈÂÓ Ò ÊÂÓÒÒÑÏÕÏÏ ÑÊÂSyncSeg ÉÉ ÌÊÑÑ ÒÈÍÌÈÂ ÁÓ ÒÊÂÑÑ ÒÓÒÒÑÏÕÊÑ ÐÕ ÒÊÏÒÑÇÆÍÍÆÊÈÌÈÂÊ Ö ÖÊÍÍÂÓ ÒÇÍÍÉÂÈÊÓÒ ÒÑÏÕÉÊÂÊsÍÍÌÈÎÂ 5.2.2 ÁÊÂPS1ÇËÉÍÂÌÈÇÊ PS2Ç dîéíèíçìèíìèîâôï ÑÓÒÔÎÑÐ Õ ÒÎËdÌÈÈÍÊÂÑÕ ÔÓÒ Ò (SJW) Ç ÉÈÉÆÍÍÌÈÂ ÁSJW ÊÊ PS1Ê~ÈÍÍÇÌÈÇÊ PS2 Ç ÍÈÇÍÌÈÂ( )ÁSJW ÊÊ 5.2.2.2 ÔÏ ÑÏÖ ÊÈ (e = 0) ÁÔÏ ÑÏÖ Ç SJW ÉÈÉÔÖÐÖÕÈÍÉ ÊÂÊÊÓ ÒÊÉÈ ÉÈÂ 5.2.2.3 ÊÔÏ ÑÏÖ (e > 0) ÁÔÏ ÑÏÖ Ç SJW ÍÍÇÆÆÍË ÔÏ ÑÏÖ ÇÊÂPS1 ÊÂSJW ÉÈ ÉÇ ÇÊÍÌÈ 5.2.2.4 yêôï ÑÏÖ (e < 0) ÁÔÏ ÑÏÖ ÇÑÕ ÔÍÍÇÆ ÆÍËÔÏ ÑÏÖ ÇyÊÂPS2 ÊÂSJW É ÈÉÇÇÊÍÌÈÂ 5.2.3 Êu 1. ÖÑÒÑÔÇÍÒÖÔ ÒËÊÏÒÑÉÇÇ ÊÍÍÍÂ 2. ÓÒÒÑÏÕÊÊ ÉÇÊÈÇÉ ÇÊÆÂ 3. ÏÒÑÇÊÍÍÍÊÊÂÊÐ Ô ÖÉÈÍÉ ÊÓÑwÌ}Ì ÇÂÏÒÑÊÓÑÊÉÊÉÉÆÍÉÇ ÉÇÉÈÂ 4. ~Ó ÒÊÂÊÔÏ ÑÏÖ ÊÉÇ (e > 0) ÊÂÊÈÌÈÎÂ 5. ÔÏ ÑÏÖ ÊÇ SJW ÍÍÇÆÉ ÇÊÂÊÔÏ ÑÑÐÕ ÒÉ SJW É ÈÇÈÊÊÍÍÆÊwÈÌÈÂ DPLLÊÖ ÔÔÏÖÑÉÈÉÍÌÈÂSJW Ê1 TQ ÇÍ 4 TQ Ê ÉÔÖÐÖÔÔÖÉÈÂ 5.2.2.1 w ÁNRZ ÓÒÒÐ ÒÏ ÐÉÊÂÕÒÑ Ñ ÊÊÐÖÒÐÇÏ Ð ÒÈÍÌÈÎÂÐÖÒÐ ÊÖÑÒÑÔÇÍÒÖÔ ÒËÊÉÇÇÍÇ ÈÌÈÂ~ÈÍÓÒÒÇÈÎÉÊÊÊ ÌÉÆÆz ÓÒÒÑÑÒÔÏ ÐÊÍÍÂÔ Ö Õ ÊÊÓÒÒÑÒÖ ÕÊÈ ÈÌÈÂ ÁÏÒÑÊÔÏ ÑÏÖ ÊÂSyncSeg ÊÈÍ ÏÒÑÊeÊÍÍÆÍÍÂ ÉvÈÍÌ ÈÂÔÏ ÑÏÖ ÊÂÊÍÆÊ TQÊÇÈ ÉfÈÍÌÈÂ: e = 0ÏÒÑÇÑÐÕ ÒÊÆÍ e > 0 ÇÐ ÔÖÍÍÊÆÍ (TQ Ç PS1 ÊÈÍÍ ) e < 0 ÏÒÑÇÂÓÒÒÊÐ ÔÖÍÍÊ ÆÍ (TQ Ç PS2 ÇÍÈÍÍ ) 2005 Microchip Technology Inc. Preliminary DS21801D-page 39

ÓÒÒÑÏÕÊ (e = 0) SyncSeg PropSeg PhaseSeg1 (PS1) SJW (PS1) ÓÒÒÑÏÕ (NBT) ÊÈ (e = 0) Ð ÔÖ e PhaseSeg2 (PS2) SJW (PS2) (e > 0) SyncSeg PropSeg PhaseSeg1 (PS1) SJW (PS1) ÓÒÒÑÏÕ (NBT) Ð ÔÖ e PhaseSeg2 (PS2) SJW (PS2) ÊÓÒÒÑÏÕ ~Æ~Ó ÒÊÈÍ (e > 0) (e < 0) SyncSeg PropSeg PhaseSeg1 (PS1) SJW (PS1) PhaseSeg2 (PS2) Ð ÔÖ e SJW (PS2) ÓÒÒÑÏÕ (NBT) ÊÓÒÒÑÏÕ Æ~Ó ÒÊÈÍ (e < 0) DS21801D-page 40 Preliminary 2005 Microchip Technology Inc.

ÑÏÕÑÐÕ ÒÊÔÖÐÖÕ Ð ÓÒÒÑÏÕ ÐvÖÑÑÑ ÁÑÏÕÑÐÕ ÒÊÔÖÐÖÕ ÐÊÊÂÊÍ ÆÊÆÇÉÇÊu ÇÆÍÌÈÂ: PropSeg + PS1 >= PS2 PropSeg + PS1 >= TDELAY PS2 > SJW ÆÊÂCAN Ô Ö ÒÇ 125 khz É FOSC = 20 MHz ÉÈÉÆÉÈÍÉ : TOSC = 50 ns ÊÊÉ BRP<5:0> = 04h ÎÈÍÊ TQ = 500 nséèâ125 khzîíéìêêóòòñï ÕÊ 16 TQ ÉÈÊÇÍÊÊÍÌÈÎÂ Á~ÂÓÒÒÊÐ ÔÖ ÐÊÂÑÑÒÕÓÖÕ ÑÊÍÍÌÈÇÂÓÒÒÑÏÕÊ 60-70% ÊÉÇÍ ÉsÍÍÌÈÂÌÉÂ~ TDELAY Ê 1 2 TQ ÉÈÂ ÁSyncSeg = 1 TQ É PropSeg = 2 TQ ÉÈÂÇÍÉ PS1 = 7 TQ ÉvÈÍÊÂÇÍ 10 TQ ÊÐ Ô ÖÇÌÈÂÇÇÊ PS2 ÇÍ 6 TQ ÍÉÆÌÈÂ ÁPS2 Ç 6 ÉÊÂuÊÈÉÇÉÉÂSJW ÊÊ 4 TQ ÉÊÍÌÈÂÈÇÈÂÇÊ SJW Ê~ÊÍÓ ÒÊÐÖÒÐÇÑÖÕÒÐÊÊÊÉ ÊÈÇuÉÈÌÈÎÂÈÇÉ SJW Ê~ ÉÈ ÍÊÉÈÂ Êv ÁÓÒÒÑÏÕ ÐuÇÍÂÑÖÕÒÐÊ~ Ö ÒÇ Ê 125 kbit/sec ÌÉÊ~ÊÉÇÊ vèíìèâcan ÔÖÒÐÖÊÔÖÓÑ~É ÊÂÇuÉÈÂÊÓ ÒÉÓ Ò ÊÈÍÊ 1.7% ÇvÉÈÂ ÁÐ ÔÏÐÕÖ ÑÕ ÖÑÑÑ (CNF1, CNF2, CNF3) Ç CAN ÓÑÏ Ñ ÔÏ ÑÊÓÒÒÑÏÕ ÐÎÈÌÈÂÇÍÍÊÖÑÑÑÊ MCP2515 Ç Ð ÔÏÐÕÖ ÑÕ Õ ÒÊÉÇÉÇÇh ÉÈÂ( Õ ÒÎ ) 5.5.1 CNF1 ÁBRP<5:0> ÓÒÒÊÂÔ Ö ÒÊÎÈ ÌÈÂÇÍÍÊÓÒÒÊÍÍ OSC1 ÊÊ ÉÂTQÊÎ2 TOSC (BRP<5:0> = b000000 ÊÉÇ ) ÉÈÉ TQ Ê ÈÎvÈÌÈÂSJW<1:0> ÓÒÒÊ TQ ÊÊÍÉÉ SJW ÎÈÌÈÂ. 5.5.2 CNF2 ÁPRSEG<2:0> ÓÒÒÊÑÐÕ ÒÊ ÈÎ ( TQÉ)vÈÌÈÂPHSEG1<2:0>ÓÒÒÊPS1 Ê ÈÎ ( TQ É ) vèìèâ ÁSAM ÓÒÒÊÂRXCAN Ó ÎÐ ÔÖ ÐÈ ÍÇÎÈÌÈÂÇÊÓÒÒÎ 1 ÊÈÍÉÓÑÎ Ð ÔÖ ÐÈÌÈÂ Ð ÔÖÊÊ TQ/2 Ç ÉÊ ÂÈÈÉÐ ÔÖ ÇÇÊ PS1 ÊÍ Í É Ð ÔÖ ÐÈÌÈÂÓÑÊÊÂÐ Ô Ö ÐÊÉÈÍÌÈÂSAM ÓÒÒÎ Ê vèíéârxcan Ó ÊÐ ÔÖÉ ÉÇÊ Ð ÔÖ ÐÉÊÍÌÈÂ ÁBTLMODE ÓÒÒÊ PS2 Ê ÈÎÌÌÈÂÇÊ ÓÒÒÇ 1 ÊvÈÍÍÉÂPS2 Ê ÈÊ CNF3 Ê PHSEG2<2:0> ÓÒÒÉÈÍÌÈÂ( CNF3Î )ÁBTLMODE ÓÒÒÇ 0 ÊvÈÍ ÍÉÂPS2 Ê ÈÊ PS1 Ì (MCP2515 ÉÊÂÇÍÊ 2TQ ÊÉÊÉÉÆÌÈÂ) ÊÈÍÍ Í ÇÊÍÌÈÂ 5.5.3 CNF3 ÁCNF2.BTLMODE ÓÒÒÇ 1 ÊvÈÍÍÉÂ PHSEG2<2:0>ÓÒÒÉ PS2Ê ÈÎ(TQÉ)v ÈÌÈÂBTLMODE ÓÒÒÇ 0 ÊvÈÍÍÉ PHSEG2<2:0> ÓÒÒÊÊ ÌÆÌÈÎÂ 2005 Microchip Technology Inc. Preliminary DS21801D-page 41

ÖÑÑÑ %0(Ð ÔÏÐÕÖ ÑÕ ÎÒÖÑ #J R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 SJW1 SJW0 BRP5 BRP4 BRP3 BRP2 BRP1 BRP0 bit 7 bit 0 bit 7-6 SJW: ÑÕ Ô ÓÒÒ <1:0> 11 = È = 4 x TQ 10 = È = 3 x TQ 01 = È = 2 x TQ 00 = È = 1 x TQ bit 5-0 BRP: Ô Ö ÒÓÒÒ <5:0> TQ = 2 x (BRP + 1)/FOSC : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 42 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ %0(Ð ÔÏÐÕÖ ÑÕ ÎÒÖÑ J R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 BTLMODE SAM PHSEG12 PHSEG11 PHSEG10 PRSEG2 PRSEG1 PRSEG0 bit 7 bit 0 bit 7 bit 6 BTLMODE: PS2 ÓÒÒÑÏÕ ÓÒÒ 1 = PS2 Ê ÈÊ CNF3 Ê PHSEG22:PHSEG20 ÓÒÒÉÈÍÍ 0 = PS2 Ê ÈÊ PS1 ÆÍË IPT (2 TQ) ÍÍÇÇÈÍ SAM: Ð ÔÖÐ ÔÏÐÕÖ ÑÕ ÓÒÒ 1 = ÓÑÖÏ ÊÐ ÔÖÉ Ð ÔÖ ÐÈÍÍ 0 = ÓÑÖÏ ÊÐ ÔÖÉ ÉÇÐ ÔÖ ÐÈÍÍ bit 5-3 PHSEG1: PS1 ÈÓÒÒ <2:0> (PHSEG1 + 1) x TQ bit 2-0 PRSEG: ÑÐÕ Ò ÈÓÒÒ <2:0> (PRSEG + 1) x TQ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 43

ÖÑÑÑ %0(Ð ÔÏÐÕÖ ÑÕ ÎÒÖÑ J R/W-0 R/W-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 SOF WAKFIL PHSEG22 PHSEG21 PHSEG20 bit 7 bit 0 bit 7 bit 6 SOF: ÑÑ ÒÏÔÔÖ ÕÓÒÒ CANCTRL.CLKEN = 1 ÊÉÇ : 1 = CLKOUT Ó Ê SOF ÉÈÉÈÍÍ 0 = CLKOUT Ó ÊÐÖÒÐhÉÈÉÈÍÍ CANCTRL.CLKEN = 0 ÊÉÇÂÓÒÒÊ WAKFIL: ÏÏÏÐÎÒÔÔÏÖÑÓÒÒ 1 = ÏÏÏÐÎÒÔÔÏÖÑ 0 = ÏÏÏÐÎÒÔÔÏÖÑ bit 5-3 t : wìé 0 bit 2-0 PHSEG2: PS2 ÈÓÒÒ <2:0> (PHSEG2 + 1) x TQ Note: PS2 ÊvÊ 2 TQ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 44 Preliminary 2005 Microchip Technology Inc.

NOTES: 2005 Microchip Technology Inc. Preliminary DS21801D-page 45

DS21801D-page 46 Preliminary 2005 Microchip Technology Inc.

ÏÖ ÏÖ CAN ÔÖÒÐÖÊdÈÍÉÏÖ ÕÏÓÑÕ ÎÈÉÆÌÈÂvÊÍÆÊÏÖ ÇÉÇÌ ÈÂ %4% ÏÖ Á ÒÏÒÐ (CRC) ÊÍÍÂ~ÊÂÔ Ö ÕÊ ÇÍÒ ÑÔÏ ÖÒÊÍÍÌÉÊ ÓÒÒÑ Ð ÑÊÈÉÊÒÏÒÐÓÒÒÎv ÈÌÈÂÇÊ CRCÑ Ð ÑÊÂCRCÔÏ Ö ÒÉ~ÈÍÌÈÂÓ ÒÉÌÂÈÎÆÉ CRC Ñ Ð ÑÎvÈÂÑ Ð ÑÉÊ ÎsÆÌÈÂÿiÇÈÍÍÉÂCRCÏÖ Ç ÈÏÖ ÔÖ ÕÇÈÍÌÈÂÕÒÑ ÑÊ ~ÈÍÌÈÂ ÎÐÓÖÒÑÏÖ ÁÕÒÑ ÑÊÎÐÓÖÒÑÔÏ ÖÒÉÊÂ~ ÇÎÐÓÖÒÑÑÖÒÒ ÇÖÑÒÑÔÓÒÒ Î~ÉÉÆÍÊÈ ÇÒÕÒ ÒÉÊÆÇÎÒÏÒÐ ÈÌÈÂÌÈÒÕÒ ÒÉÆÍÊÂÊÊÓ ÒÌÔÖ ÕÎÊÈÉÆÊÆÇÉÊÊÍÌÈÂÎÐÓ ÖÒÑÏÖ ÇzÇÍÉÂÏÖ ÔÖ ÕÇÈÍÂ ÕÒÑ ÑÇ~ÈÍÌÈÂ ÏÖ ÁÓ ÒÇ ÑÐÕ Ò Ï ÒÏÔÔÖ ÕÂÔ Ö Õ ÊÇÂÎÐÓÖÒÑÒÖÕÑÂCRC ÒÖÕ ÑÎÌ ÊÒÕÒ ÒÓÒÒÎ ÉÉÌÈÍÉÂ ÏÖ ÉÊÍÂÏÖ ÔÖ ÕÇÈÍÌ ÈÂÕÒÑ ÑÊ~ÈÍÌÈÂ ÓÒÒÏÖ Á~Ç~ÈÉÓÒÒÖÔÖÉÊÖÔÖ É ÌÍÂÒÕÒ ÒÓÒÒ~ÈÉÉÇÖÑÒÑÔÎ ÂÆÍÆÊÖÑÒÑÔÎ~ÈÉÉÇÒÕÒ ÒÎ ÈÉ ÎÈÍÉÓÒÒÏÖ ÉÊÍÌÈÂ : Î ÓÒÖ ÑÕ ÔÏ ÖÒÊÎÐÓÖÒÑ ÑÖÒÒÊ ÊÂ~ÇÖÑÒÑÔÎ~ÈÉÒÕ Ò ÒÎÈÉÉÇÊÂÓÒÒÏÖ ÊÊÊÍÌÈ ÎÂÊÈÊÍÊÎ ÓÒÖ ÑÕ ÇsÍÍÉÆ ÍÇÍÉÈÂ ÑÑÒÔÏÖ ÁÔÖ ÕÊ ÇÍ CRCÒÖÕÒÑ ÉÂÈ ÎÉ ÉÊ~ÈÍÓÒÒÇÈÍÉÂ ÓÒÒÑÑÒÔÏ ÐÖ ÖÊ~ÈÍÇÉÊÊÍÌ ÈÂÓÒÒÑÑÒÔÏ ÐÏÖ ÇÈÏÖ Ô Ö ÕÇÈÍÌÈÂÕÒÑ ÑÊ~ÈÍÌÈÂ ÁÈÍÉÏÖ ÊÏÖ ÔÖ ÕÊÍÉÉÈËÉ ÊÓ ÒÊ~ÈÍÌÈÂÏÖ ÊÕÒÑ ÑÊ~ ÊÎÔ ÒÈÍÂÔÖ ÕÊÉÇÍÉÇÊ~È ÍÌÈÂÈÍÊÂ CAN Ó ÒÊÏÖ ÏÏ ÑÊÊÍÍ ÉÊÊÆÈÍÇÉÊÍÌÈÂ: 1. ÏÖ ÎÐÒÏÔ 2. ÏÖ ÓÒÑÔ 3. ÓÑÏÔ ( ~ÊÌ ) ÁÏÖ ÎÐÒÏÔÊ~ÊÉÂÓ ÒÇ ÕÒÑ ÑÉÎÐÒÏÔÏÖ ÔÖ Õ ÒÕÒ Ò ÓÒÒÊÍÍÈÍÌÈ ÎÍÈÊ~É ÇÌÈÂ ÁÏÖ ÓÒÑÔÉÊÂÕÒÑ ÑÉÓÒÑÔÏ Ö ÔÖ Õ ÖÑÒÑÔÓÒÒÊÍÍÈÍÌ È Ç~ÈÍÍÇÉÇÆÍÌÈÂ ÁÓÑÏÔÉÊÂÑÒ ÑÕ ÊÿÊÓÑ~ ÊÉÇÊÇÊÍÌÈÂÇÊÊ ÊÕÒÑ ÑÊÌ~ÌÉÇÌÈÎÂ~ÉÇÇÓÑÏÔ ÉÊÍÌÈÂ ÏÖ Õ ÒÉÏÖ ÏÏ Ñ ÁMCP2515ÊÊ ÉÊÏÖ ÏÏ ÑÇÆÍÌÈ È ÊÍÉÖÑÒÑÔÏÖ ÏÏ Ñ (REC) ( ÖÑÑÑ ) É~ÏÖ ÏÏ Ñ (TEC) ( ÖÑÑÑ ) ÉÈÂÏÏ ÑÊÊÂMCU ÇÍwÌÈh ÉÈÂÇÍÍÊÏÏ ÑÊ CAN ÓÑÊÈÉÇÉ ÉÈÍÌÈÂ ÁMCP2515 ÊÊÏÏ ÑÇ ÉÆÆÏÖ ÓÒÑÔ ÍÍÈÇÍÊÏÖ ÎÐÒÏÔÉÊÍ ÌÈÂ ÁÏÖ ÏÏ ÑÊÊÇÉÌÇÉÊÍ ÉÏÖ ÓÒÑÔÉÊÍÌÈÂ ÁTEC ÇÓÑÏÔ Ê ÎzÆÍÉÓÑÏÔÉÊ ÍÌÈÂÇÊÉÌÒÓÏÑÊÓÑÏÔÕÒ Ñ ÑÊÈÌÈÂÓÑÏÔÑ Ð ÑÊ Ê~ÖÑÒÑÔÓÒÒÇ ÉÈÍÌÈÂ( ) /%2 ÊÂÓÑÏÔÊÊÉÉÂÓÑÇ Z ÓÒÒ ÉÇÎÏÒÖÉÊÍ É /%7 ÊÍÍÈÊÏÖ ÎÐÒÏ ÔÊÈÌÈÂÈÆÈÉÇÊÆÉÇÊÂ ÏÖ Í}ÌÉÇÍÎÈÌ ÈÂ ÁMCP2515 ÊÊÏÖ Ê EFLG ÖÑÑÑÊ ÍÉÉ MCU ÇwÌÈÌÈÂ( ÖÑÑÑ ). ÁÈÍÊÏÖ xôöð ÓÒÒ (EFLG:EWARN) ÇÆÍÂÏÖ ÏÏ ÑÊ ÉÉÌÏ Ö x Ê ÊÊÍÉÑÒÒÈÍÌÈÂ EWARN ÊÂÏÏ ÑÇÏÖ x ÊÊÍ ÉÖÑÒÒÈÍÌÈÂ 2005 Microchip Technology Inc. Preliminary DS21801D-page 45

ÏÖ Õ Ò ÖÑÒÒ REC < 127 or TEC < 127 ÏÖ ÎÐÒÏÔ REC > 127 or TEC > 127 ~ÈÍ Ê ÖÑÒÑÔÓÒÒÇ ÏÖ ÓÒÑÔ TEC > 255 ÓÑÏÔ ÖÑÑÑ 6'%~ÏÖ ÏÏ Ñ ÎÒÖÑ %J R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 TEC7 TEC6 TEC5 TEC4 TEC3 TEC2 TEC1 TEC0 bit 7 bit 0 bit 7-0 TEC: ~ÏÖ ÏÏ ÒÓÒÒ <7:0> : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = ÖÑÑÑ 4'%ÏÖ ÏÏ Ñ ÎÒÖÑ &J R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 REC7 REC6 REC5 REC4 REC3 REC2 REC1 REC0 bit 7 bit 0 bit 7-0 REC: ÏÖ ÏÏ ÒÓÒÒ <7:0> : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 46 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ '(.)ÏÖ ÔÖÐ ÎÒÖÑ &J R/W-0 R/W-0 R-0 R-0 R-0 R-0 R-0 R-0 RX1OVR RX0OVR TXBO TXEP RXEP TXWAR RXWAR EWARN bit 7 bit 0 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 RX1OVR: ÓÒÔÎ 1 Ï Ó ÔÖ ÔÖÐÓÒÒ - RXB1 ÇÉ CANINTF.RX1IF = 1 ÊÉÇÊÕÒÑ ÑÇÈÍÍÉÑÒÒÈÍÍ - MCU ÇÍÖÑÒÒÈÍ RX0OVR: ÓÒÔÎ 0 Ï Ó ÔÖ ÔÖÐÓÒÒ - RXB0 ÇÉ CANINTF.RX0IF = 1 ÊÉÇÊÕÒÑ ÑÇÈÍÍÉÑÒÒÈÍÍ - MCU ÇÍÖÑÒÒÈÍ TXBO: ÓÑÏÔÏÖ ÔÖÐÓÒÒ - TEC Ç 255 ÊÊÍÉÑÒÒÈÍÍ - ÓÑÑ Ð ÑÊÊÖÑÒÒ TXEP: ~ÏÖ ÓÒÑÔÏÖ ÔÖÐÓÒÒ - TEC Ç 128 ÊÊÍÉÑÒÒÈÍÍ - TEC Ç 128 ÍÍÈÇÊÍÉÖÑÒÒÈÍÍ RXEP: ÏÖ ÓÒÑÔÔÖÐÓÒÒ - REC Ç 128 ÉÊÍÉÑÒÒÈÍÍ - REC Ç 128 ÍÍÈÇÊÍÉÖÑÒÒÈÍÍ TXWAR: ~ÏÖ xôöðóòò - TEC Ç 96 ÉÊÍÉÑÒÒÈÍÍ - TEC Ç 96 ÍÍÈÇÊÍÉÖÑÒÒÈÍÍ RXWAR: ÏÖ xôöðóòò - REC Ç 96 ÊÊÍÉÑÒÒÈÍÍ - REC Ç 96 ÍÍÈÇÊÍÉÖÑÒÒÈÍÍ EWARN: ÏÖ xôöðóòò - TEC ÌÉÊ REC Ç 96 ÉÊÍÉÑÒÒÈÍÍ (TXWAR ÌÉÊ RXWAR = 1) - REC É TEC Ç 96 ÍÍÈÇÊÍÉÖÑÒÒÈÍÍ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 47

NOTES: DS21801D-page 48 Preliminary 2005 Microchip Technology Inc.

Í}Ì ÁMCP2515 Ê ÊÍ}ÌuÎÉÉÆÌÈÂ CANINTE ÖÑÑÑÇÂÊÍ}ÌuÊÍ}Ì ÔÖÐÓÒÒÉÊÉÉÆÌÈÂÍ}ÌÇÈÍÉÂ INTÓ Ç MCP2515 ÊÍÍ.QY ÊÒÖÏÔÈÍÂMCU ÊÍÍÍ}ÌÇÐÖÎÈÍÍÌÉÈÌÈÂÍ }ÌÊÈÍÇÆÍ ÍÐÖÎÈÍÇÉÊÉÇ ÌÈÎÂ ÁCANINTF ÖÑÑÑÊÔÖÐÓÒÒÊÐÖÎÊÊÂ~ ÊÇ}ÌÍÍÓÒÒÐÔ ÒÎÆÇÉ ÎÆÌÈÌÈÂÇÍÊÇ}ÌÐÔ ÒÊÈ ÊÆÔÖÐÊÇzÇÉwÉÉÍ}ÌÇÈÍ ÊÎ ÈÍÉÌÉÈÂ ÁCANINTF ÔÖÐÊwÌÇÇÉÇÂMCU ÇÇÍÍ ÊÓÒÒÎÑÒÒÈÉÈÌÆÉÂCANINTE ÓÒÒÇ ÑÒÒÈÍÉÆÍÉÍ}ÌÇÈÍÇÉÊÇ uéèâ Í}ÌÐ ÒÓÒÒ ÁÍ}ÌÉÊuÊÖÑÑÑ ÊÈÉ CAN- STAT.ICOD ( Í}ÌÐ Ò ) ÓÒÒÉÈÍÌÈÂt Í}ÌÏÔ ÒÇzÇÉÊÊÂMCU ÊÍÍ Í}ÌÇÖÑÒÒÈÍÍÌÉ INT Ó Ç.QY ÊÌÌ ÉÊÍÌÈÂCANSTAT.ICOD ÓÒÒÊÂÍ} ÌÉÊÌÆÊÍ}ÌÊÐ ÒÎ ÈÌÈÂÍ}ÌÊÉ ICOD ÊÈÆÌÊÇ ÆÊ ÉÇÈÍÉÆÌÈÂÌÆ ÊÍ}ÌÇÐÖÎÈÍÍÉÂ ÌÈÆÍÊ Í} ÌÉÊÍ}ÌÊÉÊÊÆÍ}Ì ÊÐ ÒÇ ICOD ÓÒÒÊÈÍÌÈÂ( s )ÁÍ}ÌuÊÉÈÍCANINTEvÓÒ ÒÇÑÒÒÈÍÉÆÍÌÊÉÇÇ ICOD ÓÒÒÊ ÈÍÌÈÂ s ICOD<2:0> +%1& ÒÐ Ò Ô Ösv 000 ERRWAKTX0TX1TX2RX0RX1 001 ERR 010 ERRWAK 011 ERRWAKTX0 100 ERRWAKTX0TX1 101 ERRWAKTX0TX1TX2 110 ERRWAKTX0TX1TX2RX0 111 ERRWAKTX0TX1TX2RX0RX1 '44Ê%#0+06''44+' Ê ~Í}Ì Á~Í}ÌÇv (CANINTE.TXnIE = 1) ÈÍÉÆ ÍÉÂÈÍÓÒÔÎÇÉÕÒÑ ÑÇÖ Ò ÉÇÍÊÊÍÉINTÓ ÊÍ}ÌÎÈÌÈÂ CANINTF.TXnIF ÓÒÒÇÑÒÒÈÍÉÍ}Ìu ÎÈÌÈÂÍ}ÌÊ TXnIF ÓÒÒÎÐÖÎÈÍÇ ÉÉÐÖÎÈÍÌÈÂ Í}Ì ÁÍ}ÌÇv(CANINTE.RXnIE = 1)ÈÍÉÆ ÍÉÂÕÒÑ ÑÇÊÈÍÂÈÍÓÒ ÔÎÊÖ ÒÈÍÍÉ INT Ó ÊÍ}ÌÎÈÌ ÈÂÇÊÍ}ÌÊ EOF ÔÏ ÖÒÇ ÈÌÈÂCANINTF.RXnIF ÓÒÒÇÑÒÒÈÍÉÍ }ÌuÎÈÌÈÂÍ}ÌÊ RXnIF ÓÒÒÎÐÖ ÎÈÍÇÉÉÐÖÎÈÍÌÈÂ ÕÒÑ ÑÏÖ Í}Ì ÁÕÒÑ ÑÊ~ÊÏÖ ÇÈÍÉÂÕÒ Ñ ÑÏÖ ÔÖÐ (CANINTF.MERRF) ÇÑÒÒÈ ÍÂCANINTE.MERRE ÇÑÒÒÈÍÉÆÍÊÂÍ }ÌÇ INT Ó ÊÈÍÌÈÂÇÍÊÖÑ Ï Ö Õ ÒÉÍÍÉÉÇÊÊÂÔ Ö ÒÊÉ ÌÊÍÍÌÈÂ ÓÑÎÐÒÏÓÒÏÏÏÏÐÎÒÔ Í}Ì ÁMCP2515 ÇÑÖ ÔÕ ÒÉÓÑÎÐÒÏÓÒÏ Í}ÌÇv (CANINTE.WAKIE = 1) ÈÍÉÆÍÉ ÇÊÂCAN ÓÑÉÎÐÒÓÒÏÇÈÍÍÉ CAN- INTF.WAKIF ÓÒÒÇÑÒÒÈÍÂINT Ó ÊÍ} ÌÇÈÍÌÈÂÇÊÍ}ÌÊMCP2515ÎÑÖ ÔÕ ÒÇÍÇÈÈÌÈÂÍ}ÌÊ WAKIF ÓÒ ÒÎÐÖÎÈÍÉÖÑÒÒÈÍÌÈÂ /%2 ÊÏÏÏÐÎÒÔÈÉÖÑ Ï Ö Õ ÒÊÊÍÌÈÂ ÏÖ Í}Ì ÁÏÖ Í}ÌÇv (CANINTE.ERRIE = 1) ÈÍ ÉÆÍÉÂÏ Ó ÔÖ ÇzÇÉÉÇÇ~Ê ÏÖ ÇÍÉÉÉÇÊ INT Ó ÊÍ}ÌÎ ÈÌÈÂÏÖ ÔÖÐÖÑÑÑ (EFLG) ÇvÊ ÊÊÉÉÎsÈÌÈÂ Ï Ó ÔÖ ÁMAB ÇÊÕÒÑ Ñ ÕÒÑ ÑÇÔÏÖ ÑÊiÈÉ ÎÌÉÉÉÇÂÈÍÔÏÖÑ ÊÓÒÔÎÇÉÊÕÒÑ ÑÎÖ ÒÉÇÊÆ ÉÂÏ Ó ÔÖ ÇÈÌÈÂÈÍ EFLG.RXnOVR ÓÒÒÇÑÒÒÈÍÉÏ Ó ÔÖ ÎsÈÌÈÂÇÊÓÒÒÊ MCU ÇÍÐÖÎÈÊÇÍ ÊÊÍÌÈÎÂ 2005 Microchip Technology Inc. Preliminary DS21801D-page 49

x ÁREC Ç MCU x Ê 96 Ê~ÈÉÉÇÂ ~x ÁTEC Ç MCU x Ê 96 Ê~ÈÉÂ ÏÖ ÓÒÑÔ ÁREC ÇÏÖ ÓÒÑÔ 127 ÎzÆÉÒÓÏÑ ÇÏÖ ÓÒÑÔÊÊÉÉÂ ~ÏÖ ÓÒÑÔ ÁTEC ÇÏÖ ÓÒÑÔ Ê127 ÎzÆÉÒÓÏÑ ÇÏÖ ÓÒÑÔÊÊÉÉÂ ÓÑÏÔ Á TEC Ç 255 ÎzÆÍÉÒÓÏÑÊÓÑÏÔÉ ÊÍÍ ÈÍÌÈÂ Í}ÌÎÐÓÖÒÑ ÁÍ}ÌÊ CANINTF ÖÑÑÑÊ ÉÊÔ ÖÐÊ ~ÈÌÈÂÔÖÐÇ ÉÉÌÑÒÒÈÍ ÍÉÍ}ÌÉÉÊÍÌÈÂÆÉÉÎÍ}ÌÔ ÖÐÇÒÓÏÑÉÑÒÒÈÍÍÉÂÍ}ÌuÇÊ ÇÊÉÉ MCU ÇÔÖÐÎÖÑÒÒÈÍÌÉÈÌ ÈÂ ÖÑÑÑ %#0+06'Í}Ìv ÎÒÖÑ $J R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 MERRE WAKIE ERRIE TX2IE TX1IE TX0IE RX1IE RX0IE bit 7 bit 0 bit 7 bit 6 MERRE: ÕÒÑ ÑÏÖ Í}ÌvÓÒÒ 1 = ÕÒÑ Ñ~ÊÏÖ ÉÍ}Ì 0 = WAKIE: ÏÏÏÐÎÒÔÍ}ÌvÓÒÒ 1 = CANÓÑÎÐÒÏÓÒÏÉÍ}Ì 0 = bit 5 ERRIE: ÏÖ Í}ÌvÓÒÒ (EFLG ÖÑÑÑÊtu ) 1 = EFLGÏÖ ÇÈÉÉÇÍ}Ì 0 = bit 4 bit 3 bit 2 bit 1 bit 0 TX2IE: ~ÓÒÔÎ 2 Í}ÌvÓÒÒ 1 = TXB2 ÇÊÊÍÉÍ}Ì 0 = TX1IE: ~ÓÒÔÎ 1 Í}ÌvÓÒÒ 1 = TXB1 ÇÊÊÍÉÍ}Ì 0 = TX0IE: ~ÓÒÔÎ 0 Í}ÌvÓÒÒ 1 = TXB0 ÇÊÊÍÉÍ}Ì 0 = RX1IE: ÓÒÔÎ 1 ÔÖÍ}ÌvÓÒÒ 1 = RXB1 ÊÕÒÑ ÑÇÈÍÍÉÍ}Ì 0 = RX0IE: ÓÒÔÎ 0 ÔÖÍ}ÌvÓÒÒ 1 = RXB0 ÊÕÒÑ ÑÇÈÍÍÉÍ}Ì 0 = : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 50 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ %#0+06(Í}ÌÔÖÐ ÎÒÖÑ %J R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 MERRF WAKIF ERRIF TX2IF TX1IF TX0IF RX1IF RX0IF bit 7 bit 0 bit 7 bit 6 MERRF: ÕÒÑ ÑÏÖ Í}ÌÔÖÐÓÒÒ 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu ) 0 = Í}ÌÉÊÈ WAKIF: ÏÏÏÐÎÒÔÍ}ÌÔÖÐÓÒÒ 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu ) 0 = Í}ÌÉÊÈ bit 5 ERRIF: ÏÖ Í}ÌÔÖÐÓÒÒ (EFLG ÖÑÑÑÊtu ) 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu ) 0 = Í}ÌÉÊÈ bit 4 bit 3 bit 2 bit 1 bit 0 TX2IF: ~ÓÒÔÎ 2 Í}ÌÔÖÐÓÒÒ 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu )) 0 = Í}ÌÉÊÈ TX1IF: ~ÓÒÔÎ 1 Í}ÌÔÖÐÓÒÒ 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu ) 0 = Í}ÌÉÊÈ TX0IF: ~ÓÒÔÎ 0 Í}ÌÔÖÐÓÒÒ 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu ) 0 = Í}ÌÉÊÈ RX1IF: ÓÒÔÎ 1 ÔÖÍ}ÌÔÖÐÓÒÒ 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu ) 0 = Í}ÌÉÊÈ RX0IF: ÓÒÔÎ 0 ÔÖÍ}ÌÔÖÐÓÒÒ 1 = Í}ÌÉ ( Í}ÌÖÑÒÒÊÊ MCU ÇÍÐÖÎÇu ) 0 = Í}ÌÉÊÈ : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 51

NOTES: DS21801D-page 52 Preliminary 2005 Microchip Technology Inc.

ÁMCP2515 ÊÇÑÖÕÒÐÎ OSC1 É OSC2 Ó ÊÈÍÇÉÉÈÍÍÆÊvvÈÍ ÉÆÌÈÂMCP2515 ÊÏÒÒÊÎ ÆÇÉÉvvÈÍÉÆÌÈÂÏÒÒÊÎÆ Ét~ÇÍÊÈÍÉÉÈÍÇÉÇ ÆÍÆÌÈÂÊ{Î ÊÈÌÈ MCP2515 ÊÂ É ÊÈÉÍÆÊ ÐÖÒÐÎOSC1 Ó ÊÈÉÒÖÏÔÈÍÇÉ ÌÉÇÌÈ ÑÑ ÒÎÒÔÑÏÔ ÁMCP2515 ÊÑÑ ÒÎÒÔÑÏÔ (OST) ÉÖ ÑÒÒÎÈÌÈÂÇÍÊÍÍÇÈÉ ÇÍÔÑ ÊÎ ÈÌÈÂ Ï Ì ÉÊÑÖ ÔÕ ÒÇÍÊÏÏÏÐÎÒÔÊÊ 128 OSC1 ÐÖÒÐÐÏÐÖÊ ÊÂOST ÇÖÑÒÒ ÎÈÌÈÂÇÍÊÍÍ OST ÇÈÍÌÉ SPI ÔÖÒÐÖÌÉÇÊÆÇÉÊÈÉÇÉÈ Æ ÐÖÒÐÓ ÁCLKOUT Ó ÊÂÑÑÒÕÊÊÒÓÏÑËÊÕ Ï ÐÖÒÐÌÐÖÒÐÉÈÉÆÍÍÆÑÑÒ ÕvvfÊÈÍÉÆÌÈÂCLKOUT ÊÊ ÎÉÉÆÉÂF OSC Î 1, 2, 48 ÉÉÇÌÈ CLKOUT hêvéêêâcancntrl ÖÑÑÑÉsÆÌÈÂ( ÖÑÑÑ ) %.-176 ÊÊ/*\ ÉÈÉu ÈÍÉÆÌÈÂs ÁCLKOUT Ó ÊÑÑÒÕÖÑÒÒÉÎÐÒÏÔÊ ÊÍÂÒÔÏÖÒÉÊÌ~Æ~ ÉÊÍ MCU ÊÐÖÒÐÉÈÉÆÍÍÆÊÊÉÉÆÌÈ ÁÑÖ ÔÕ ÒÇuÈÍÉÉÇÊÂMCP2515 Ê ÑÖ ÔÕ ÒÊÍÊ Ê~ÐÖÒÐÎ CLKOUT Ó ÊÈÌÈÂCLKOUT hç (CANCNTRL.CLKEN = 0 ) ÈÍÍÉÂCLKOUT Ó Ê ÓÏÏ Ó Ñ ÑÉÊÍÌÈ ÁCLKOUT hêâclkout Ó hçvâ ÈÍÉÉÇÂÆÍËÇÈÍÉÉÇÊÊ t hclkout É t lclkout ÊÑÏÕ ÐÎÉÍÆÊvv ÈÍÉÆÌÈ ÑÖÕÒÐÊÍÍ OSC1 C 1 ÖÑÒÐË XTAL RF (2) SLEEP C 2 RS (1) OSC2 (R5) Ê AT ÑÒÖÒÔÏÒÒÊÉÇu 2: y (RF) ÊÊ 2 10 M Ê ÐÖÒÐÊ ÑÑÒÕ ÇÍÊÐÖÒÐ OSC1 (1) OSC2 ÐÖ ÒÉÊÊÑÑÒÕÓÏÑÎÍÈÌÈÇÑÑÒÕ ÇÆÌÈ 2: ÒÕ ÒÏÐÏÐÖ ÊÍÊÇÍÊÊÍÌÈÎÂ( s 12-2 ) 2005 Microchip Technology Inc. Preliminary DS21801D-page 53

ÇÊ{ 330 kω 330 kω ÊÒÓÏÑË 74AS04 74AS04 74AS04 MCP2510 0.1 ( OSC1 XTAL ÊÍÊÇÍÊÊÍÌÈÎÂ( s 12-2 ) s ÑÖÕÒÐÊÊÐ Ò ÐÊ ÉÇÍÊ : Õ Ò OSC1 OSC2 HS 8.0 MHz 27 pf 27 pf 16.0 MHz 22 pf 22 pf ÊvvÏÏÒÊÌ : ÇÍÍÊÊvÉÊÑÑ ÒÎÒ ÔÉÎÒÑÒÈÉÌÊ ÂÇÍÍÊÊÊ ÈÍÉÆÌÈÎÂ ÊÍÇvÉÇÍÊÉÌÊuÉ ÈÍÍÇÌÍÌÈÎÂÕ Ð ÊÉ ÈÍ VDD ÉÉhÎÒÑÒÈÍÇ ÉÎÈÌÈÂ ÈÍÊÍ~Êvs ÊÎ : 4.0 MHz 8.0 MHz 16.0 MHz s Osc ÑÏÔ (1)(4) ÊÊÐ Ò Ð Ê ÒÑÒÈÉ : (2) C1 C2 HS 4 MHz 27 pf 27 pf 8 MHz 22 pf 22 pf 20MHz 15pF 15pF ÊvvÏÏÒÊÌ : ÇÍÍÊÊvÉÊÑÑ ÒÎÒÔ ÉÎÒÑÒÈÉÌÊÂÇÍÍÊÊÊÈ ÍÉÆÌÈÎÂ ÊÍÇvÉÇÍÊÉÌÊuÉ ÈÍÍÇÌÍÌÈÎÂÕ Ð ÊÉ ÈÍ VDD ÉÉhÎÒÑÒÈÍÇ ÉÎÈÌÈÂ ÈÍÊÍ~ÊÉÉÊsÊÎ (3) : 4.0 MHz 8.0 MHz 20.0 MHz ÎÇÇÈÍÉÊÊ ÈÌÈÇÂÑÑ ÒÎÒÔ ÌÆÌ ÈÂ 2: ÆÈÍÊ ÉÌÂÊÎ ÉÉÆÌÈÊÉÂÕ Ð ÊÇÊ ÊÊÉÆÉÊ Ê Õ ÏÊwÈËÇÉÈÂ 3: RS ÊylÒÖÏÔÊÊ~yl ÎÇÍÉÌÊuÉÈÍÌÈÂ 4: ÉÈÍÍ VDD ÉÊ ÉhÊvÎÊÈÉÇÉÈÆÂ DS21801D-page 54 Preliminary 2005 Microchip Technology Inc.

9.0 ÖÑÒÒ ÁMCP2515 Ê ÉÊÖÑÒÒÎxÈÌÈÂ: 1. Ó ÒÏÏÎÖÑÒÒ RESET Ó Î.QY 2. SPI ÖÑÒÒ SPI ÐÔ ÒÉÖÑÒÒ ÁÊÖÑÒÒÉÌhÊÈÉÈÂuÊÇÉÊÂ Ï Ê ÉÊÖÑÒÒÊÆÈÍÇÎsÈÉ ÖÑÒÐÉÖÑÑÑÎÊÒÔÏÖÒÊÈÍÇ ÉÉÈÂÓ ÒÏÏÎÖÑÒÒÊÍ RESET Ó Ê RC ÎÇÍÇÉÉiÊÉÇÍÍÆÊÊÍÌÈÂ( )ÁÇÊÊ ÉÈÍÉÆÍ (trl) ÉÆÍÂVDD Ç ÊÊÉÉÇÍÂÒÓÏÑ Ç2 µsê ÖÑÒÒÇÈÍÍÍÆÊÈÊÇÍ ÊÊÍÌÈΠ4'5'6Ó Ê VDD VDD D (1) R R1 (2) RESET C ÑÏÏ Ò D Ê V&& ÏÔÊÉÇÐ Ò ÐÊ ÎÇÈÍÉÈ 2: R1 = 1 k 10 k ʈ (ESD) Ì ~yl (EOS) É RESET Ó ÇÔÖ ÐÑÏ ÈÉÉÇÊÂÇÐ Ò ÐÇÍ RESET ÊÍ}Ì Î ÈÌÈ 2005 Microchip Technology Inc. Preliminary DS21801D-page 55

NOTES: DS21801D-page 56 Preliminary 2005 Microchip Technology Inc.

Õ Ò ÁMCP2515 Ê ÉÊÕ ÒÎÉÉÆÌÈÂÇ ÍÍÊÕ ÒÉÊvÉÊÍÌÈÂ: 1. Ð ÔÏÐÕÖ ÑÕ Õ Ò 2. ~Õ Ò 3. ÑÖ ÔÕ Ò 4. ÖÑ Ï Ö Õ Ò 5. Ö ÔÓÒÐÕ Ò ÁÕ ÒÊ CANCTRL. REQOP ÓÒÒ ( ÖÑÑÑ ) ÊÍÉÉÈÍÌÈ ÁÕ ÒÎÈÍÉÂ~ÊÕÒÑ ÑÇÈ ÍÌÉÕ ÒÊ ÊÊsÍÍÌÈÎÂuÈÍ ÉÕ ÒÊ CANSTAT.OPMODE ÓÒÒ ( ÖÑÑÑ ) ÎwÌÇÉÉÉÇÌÈ РÔÏÐÕÖ ÑÕ Õ Ò ÁMCP2515 ÊÊÈÍÊÇÍÊÊÍÌÈ ÎÂÇÍÊÿÒÓÏÑÇÐ ÔÏÐÕÖ ÑÕ Õ ÒÊÆÍÉÇÉÇÉÇÌÈÂÐ ÔÏÐÕÖ ÑÕ Õ ÒÊÂ Ï ÇÖÑÒÒÉÊiÊ ÈÍÂCANTRL.REQOP ÓÒÒÎ 100 ÊÈÍÇÉ ÉÂÊÎÊÕ ÒÇÍÌÍÇÉÇÉÇÌÈÂÐ ÔÏ ÐÕÖ ÑÕ Õ ÒÊÍÉÂÈËÉÊÏÖ ÏÏ ÑÇÐÖÎÈÍÌÈÂÐ ÔÏÐÕÖ ÑÕ Õ ÒÊvÊÖÑÑÑÇvÉÇÍÿÊÕ ÒÉÈÂ: CNF1, CNF2, CNF3 TXRTSCTRL ÔÏÖÑÖÑÑÑ ÔÑÐÖÑÑÑ ÑÖ ÔÕ Ò ÁMCP2515 ÊÑÖ ÔÕ ÒÎÉÉÆÉÂÒ ÓÏÑÊ yîêèíêêæìèâspi Ï Ñ ÔÏ ÑÊÂMCP2515ÇÑÖ ÔÕ ÒÊÊÉ ÉÌwÌÈÇÎÐÒÏÔÊÌÌÉÂÈËÉÊÖÑÑ ÑÊÎÐÑÑÉÇÌÈ ÁÑÖ ÔÕ ÒÊÈÍÊÊÂCANCTRL ÖÑÑÑÊ Õ ÒuÓÒÒ(REQOP<2:0>) ÎvÈÌÈÂCAN- STAT.OPMODE ÓÒÒÊÕ ÒÎsÈÉÆÌÈ ÇÊÓÒÒÊ MCP2515 ÊÑÖ ÔÐÔ ÒÎ~ÉÉ ÉwÌÈÌÈÂÇÊÓÒÒÇÑÖ ÔÕ ÒÊ ÉÉÇÉÎsÈÌÉÂMCP2515 ÇÎÐÒÏÔÉÌ ÉÑÖ ÔÕ ÒÊÉÉÆÊÆÇÉÊÊÍÌÈ ÁÑÖ ÔÕ ÒÊÉÇÊÂÏÏÏÐÎÒÔÍ }ÌÊ vèíéæíê ÎÐÒÏÔÊÌÌÉÈ ÇÍÊÍÍ MCU ÌÑÖ ÔÕ ÒÊÉÇÂMCP2515 ÊÓÑÊÎÐÒÏÓÒÏÎÏÏÏÐÎÒÔÊÆ ÇÉÇÉÇÌÈ ÁÑÖ ÔÕ ÒÊÉÇÊÂMCP2515 ÊÎ ÈÌÈÂMCP2515 ÊÓÑÎÐÒÏÓÒÏÇzÇ ÉÉÇÂÌÉÊ MCU Ç SPI Ï Ñ ÔÏ ÑÉ CANINTF.WAKIF ÓÒÒÎÑÒÒÈÉÏÏÏÐÎÒÔ uîèééçïïïðîòôèìèâ CANINTE.WAKIE ÓÒÒÊÂÏÏÏÐÎÒÔÍ} ÌÎzÇÈÉÌÊÊÑÒÒÈÊÇÍÊÊÍÌÈΠÁTXCAN Ó ÊÂMCP2515 ÇÑÖ ÔÕ ÒÉ ÌÂÖÑÒÑÔÎÈÌÈ 10.2.1 ÏÏÏÐÎÒÔh ÁÒÓÏÑÊÑÖ ÔÊÂÎÐÒÏÓÒÏÊÉÌÊ RXCAN Ó ÎÕÓÑÈÉÆÌÈÂCANINTE.WAKIE ÓÒÒÇÑÒÒÈÍÍÉÂÒÓÏÑÊÏÏÏÐÎÒÔ ÈÉÍ}ÌÎÈÌÈÂÊÑÖ Ô ÊÑÕÒÒÑÏ ÈÉÆÌÈÊÉÂÇ ÈÉÒÓÏÑi ÇÕÒÑ ÑÎhÊÊÍÌÉ ÊÊÉÍÉÉ ÇÇÇÍÌÈÂÇÊÑÑ Ò ÎÒÔÑÏÔ (OST) Ê 128 TOSC ÉÈÉfÈÍÉ ÆÌÈ ÁÒÓÏÑÇÑÖ ÔÕ ÒÇÍÏÏÏÐÎÒÔÈÍ ÉÇÊÕÒÑ ÑÊÂÒÓÏÑÇÏÏÏÐÎÒÔÊ ÕÒÑ ÑÉÊuÈÌÈÂÒÓÏÑÊÏÏÏÐ ÎÒÔÈÍÉÖÑ Ï Ö Õ ÒÉÊÍÌÈ MCP2515 ÇÓÑÉ~ÇÉÇÍÍÆÊÈÍÉÌÊ ÊÂMCU Ç~Õ ÒÊvÈÊÇÍÊÊÍÌÈΠÁÒÓÏÑÊÑÖ ÔÊ ÂRXCAN Ó ÊÖ ÓÑÔÏÖÑhÎÈÍÍÆÔÖÐÖÕÉ ÇÌÈÂÇÊÊÂÒÓÏÑÇ CAN ÓÑÖÏ Ê ÊÐÖÒÒÉÏÏÏÐÎÒÔÈÉÈÌÆÊÎ ÇÉÌÊÆÇÉÇÉÇÌÈÂCNF3.WAKFIL ÓÒ ÒÇÔÏÖÑÊvÎsÆÌÈ ÖÑ Ï Ö Õ Ò ÁÖÑ Ï Ö Õ ÒÊÂRXBnCTRL.RXM<1:0> ÓÒÒÎvÈÍÇÉÉÂMCP2515 ÇÈËÉÊÕÒ Ñ Ñ ÏÖ ÕÒÑ ÑÌÌÉ ÎÈÍ ÎÈÌÈÂÇÊÕ ÒÊÂÓÑÕÓÑ~ÌÂÔÒ ÒÔÖÐÉÔ Ö ÒÈÍÉÇÊÆÌÈ ÁiÔ Ö ÒÊÂ~ÈÍÇ ÉÊÓ ÒÉÇÊÉÇuÉÊÍÌÈÂÔ Ö ÒÊÊ ÕÒÑ ÑÇÉÇÍÌÉÊÍÉÒÑÒÈÍÇ ÉÉŒÊÈÍÌÈ ÁÖÑ Ï Ö Õ ÒÊÂuÊÕ ÒÉÈÂÉÌ ÍÇÊÕ ÒÊ ÊÊÕÒÑ ÑÌ ÏÖ ÔÖÐ ÌÎÐÓÖÒÑÎÌÉ ~ÈÌÈÎÂÔÏÖ ÑÌÔÑÐÊÂÊÕÒÑ ÑÉÇÎÓÒÔÎ ÊÈÍÇÉÎvÈÍÉÌÌÂÔÑÐÎÈËÉÑ ÖÊÈÉÊÎÊxÊÕÒÑ ÑÉÌ~ÈÍÆÊ ÆÌÈÂÏÖ ÏÏ ÑÊÖÑÒÒÈÍÂÇÊÉ ÊÍÍÌÈÎÂÖÑ Ï Ö Õ ÒÊ CANCTRL ÖÑÑÑÊÕ ÒuÓÒÒÎvÈÍÇÉÉÎÐ ÒÏÔÊÉÇÌÈ 2005 Microchip Technology Inc. Preliminary DS21801D-page 57

Ö ÔÓÒÐÕ Ò ÁÖ ÔÓÒÐÕ ÒÊÂCAN ÓÑÊ ÊÕÒÑ Ñ~ÎsÍÈÊÂÉ~ÓÒÔÎÇÍÓÒ ÔÎÊÕÒÑ Ñ ~ÈÍÍÆÊÈÌÈÂÇÊÕ Ò ÊÑÑÒÕ ÌÒÑÒÊÆÇÉÇÉÇÌÈÂ ÁÇÊÕ ÒÉÊÂACK ÓÒÒÊuÈÍÂÒÓÏÑ Çii ÇÍÍÕÒÑ ÑÎÊÓ ÒÇÍ ÉÇÊÍÆÊÆÌÈÂÖ ÔÓÒÐÕ ÒÊÂ uêõ ÒÉÈÂÉÌÍÇÊÕ ÒÊ ÊÊÕÒ Ñ ÑÌ ÏÖ ÔÖÐÌÎÐÓÖÒÑÎÌÉ ~ÈÌÈÎÂTXCAN Ó ÊÖÑÒÑÔÉÊÍ ÌÈÂ ÁÔÏÖÑÌÔÑÐÊÂÊÕÒÑ ÑÉÇÎ ÓÒÔÎÊÈÍÇÉÎvÈÍÇÉÇÉÇÌÈÂ ÔÑÐÎÈËÉÑÖÊÈÉÊÎÊxÊÕÒÑ Ñ ÉÌ~ÈÍÆÊÆÌÈÂÖ ÔÓÒÐÕ ÒÊ CANCTRL ÖÑÑÑÊÕ ÒuÓÒÒÎvÈÍÇ ÉÉÎÐÒÏÔÊÉÇÌÈÂ ~Õ Ò Á~Õ ÒÊÂMCP2515 ÊÊÕ ÒÉÈÂ ÇÊÕ ÒÉÊÂÒÓÏÑÊÊÓÑÕÒÑ ÑÎÕÓÑÈÂÎÐÓÖÒÑÓÒÒÌÏÖ ÔÖ Õ ÊÊÎÈÌÈÂÇÍÊÂMCP2515 ÇÕÒÑ Ñ Î CAN ÓÑÊ~ÉÇÍÿÊÕ ÒÉÈÂ ÖÑÑÑ %#0%64.%#0 ÖÑÑÑ ÎÒÖÑ :(J R/W-1 R/W-0 R/W-0 R/W-0 R/W-0 R/W-1 R/W-1 R/W-1 REQOP2 REQOP1 REQOP0 ABAT OSM CLKEN CLKPRE1 CLKPRE0 bit 7 bit 0 bit 7-5 REQOP: Õ ÒuÓÒÒ <2:0> 000 = ~Õ ÒÊv 001 = ÑÖ ÔÕ ÒÊv 010 = Ö ÔÓÒÐÕ ÒÊv 011 = ÖÑ Ï Ö Õ ÒÊv 100 = Ð ÔÏÐÕÖ ÑÕ Õ ÒÊv REQOP ÓÒÒÊÊÊÉÍÍÌÈÎÂ Ï Ê4'312b 111 bit 4 ABAT: ÈËÉÊ~ÊÓÒÒ 1 = ÈËÉÊ~ÓÒÔÎÊ~u 0 = ~Êu bit 3 OSM: Ö ÑÕÒÒÕ ÒÓÒÒ 1 = vâõòñ ÑÊ ÉÇ~ÈÍÍ 0 = ÂÕÒÑ ÑÊuÊÉÊ~ÈÍÍ bit 2 CLKEN: CLKOUT Ó ÓÒÒ 1 = CLKOUT Ó 0 = CLKOUT Ó ( Ó ÊÓÏÏ Ó Ñ ÑÉÊÍ ) bit 1-0 CLKPRE: CLKOUT Ó vóòò <1:0> 00 = FCLKOUT = ÑÑÒÕÐÖÒÐ /1 01 = FCLKOUT = ÑÑÒÕÐÖÒÐ /2 10 = FCLKOUT = ÑÑÒÕÐÖÒÐ /4 11 = FCLKOUT = ÑÑÒÕÐÖÒÐ /8 : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = DS21801D-page 58 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑ %#056#6%#0 ÖÑÑÑ ÎÒÖÑ :'J R-1 R-0 R-0 U-0 R-0 R-0 R-0 U-0 OPMOD2 OPMOD1 OPMOD0 ICOD2 ICOD1 ICOD0 bit 7 bit 0 bit 7-5 OPMOD: Õ ÒÓÒÒ <2:0> 000 = ÒÓÏÑÊ~Õ Ò 001 = ÒÓÏÑÊÑÖ ÔÕ Ò 010 = ÒÓÏÑÊÖ ÔÓÒÐÕ Ò 011 = ÒÓÏÑÊÖÑ Ï Ö Õ Ò 100 = ÒÓÏÑÊÐ ÔÏÐÕÖ ÑÕ Õ Ò bit 4 t : wìé 0 bit 3-1 ICOD: Í}ÌÔÖÐÐ ÒÓÒÒ <2:0> 000 = Í}ÌÊÈ 001 = ÏÖ Í}Ì 010 = ÏÏÏÐÎÒÔÍ}Ì 011 = TXB0 Í}Ì 100 = TXB1 Í}Ì 101 = TXB2 Í}Ì 110 = RXB0 Í}Ì 111 = RXB1 Í}Ì bit 0 t : wìé 0 : R = wìè W = Ç}Ì U = tâwìé 0 -n =POR Ê 1 = ÑÒÒ 0 = ÐÖÎ x = 2005 Microchip Technology Inc. Preliminary DS21801D-page 59

NOTES: DS21801D-page 60 Preliminary 2005 Microchip Technology Inc.

ÖÑÑÑÔÒÔ ÁMCP2515 ÊÖÑÑÑÔÒÔÎs ÊÈÌÈÂ ÖÑÑÑÊÎÒÖÑeÊ ÓÒÒ És ÓÒÒ ÊÉÌÍÌÈÂÖÑÑÑÊÑ Ð ÑÕÖÊÒ ÑwÌÇÊÈÉ eéêé ÉÆÌÈÂÆÍÊÌÖÑÑÑÊ SPI ÓÒ ÒÐÔ ÒÉÓÒÒÇÉÊÇÉÇÌÈÂÇÊ ÐÔ ÒÇv ÈÍÉÆÍÖÑÑÑÎ ÇÉ s ÊÈÌÈÂMCP2515 ÊÖÑÑÑÊÐ ÔÖÎs ÊÈÌÈÂ s s %#0ÖÑÑÑÔÒÔ ÎÒÖÑÓÒÒ ÎÒÖÑ ÓÒÒ 0000 xxxx 0001 xxxx 0010 xxxx 0011 xxxx 0100 xxxx 0101 xxxx 0110 xxxx 0111 xxxx 0000 RXF0SIDH RXF3SIDH RXM0SIDH TXB0CTRL TXB1CTRL TXB2CTRL RXB0CTRL RXB1CTRL 0001 RXF0SIDL RXF3SIDL RXM0SIDL TXB0SIDH TXB1SIDH TXB2SIDH RXB0SIDH RXB1SIDH 0010 RXF0EID8 RXF3EID8 RXM0EID8 TXB0SIDL TXB1SIDL TXB2SIDL RXB0SIDL RXB1SIDL 0011 RXF0EID0 RXF3EID0 RXM0EID0 TXB0EID8 TXB1EID8 TXB2EID8 RXB0EID8 RXB1EID8 0100 RXF1SIDH RXF4SIDH RXM1SIDH TXB0EID0 TXB1EID0 TXB2EID0 RXB0EID0 RXB1EID0 0101 RXF1SIDL RXF4SIDL RXM1SIDL TXB0DLC TXB1DLC TXB2DLC RXB0DLC RXB1DLC 0110 RXF1EID8 RXF4EID8 RXM1EID8 TXB0D0 TXB1D0 TXB2D0 RXB0D0 RXB1D0 0111 RXF1EID0 RXF4EID0 RXM1EID0 TXB0D1 TXB1D1 TXB2D1 RXB0D1 RXB1D1 1000 RXF2SIDH RXF5SIDH CNF3 TXB0D2 TXB1D2 TXB2D2 RXB0D2 RXB1D2 1001 RXF2SIDL RXF5SIDL CNF2 TXB0D3 TXB1D3 TXB2D3 RXB0D3 RXB1D3 1010 RXF2EID8 RXF5EID8 CNF1 TXB0D4 TXB1D4 TXB2D4 RXB0D4 RXB1D4 1011 RXF2EID0 RXF5EID0 CANINTE TXB0D5 TXB1D5 TXB2D5 RXB0D5 RXB1D5 1100 BFPCTRL TEC CANINTF TXB0D6 TXB1D6 TXB2D6 RXB0D6 RXB1D6 1101 TXRTSCTRL REC EFLG TXB0D7 TXB1D7 TXB2D7 RXB0D7 RXB1D7 1110 CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT 1111 CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL ÇÖÑÑÑÊÊÂÕ Ð ÇÓÒÒÐÔ ÒÉÂÂÊÓÒÒÎÆÇÉÇÉÇÍÇÉÎÈÉÆÌÈÂ ÖÑÑÑ ÖÑÑÑÊÐÔÖ ÎÒÖÑ (Hex) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 POR/RST Value BFPCTRL 0C B1BFS B0BFS B1BFE B0BFE B1BFM B0BFM --00 0000 TXRTSCTRL 0D B2RTS B1RTS B0RTS B2RTSM B1RTSM B0RTSM --xx x000 CANSTAT xe OPMOD2 OPMOD1 OPMOD0 ICOD2 ICOD1 ICOD0 100-000- CANCTRL xf REQOP2 REQOP1 REQOP0 ABAT OSM CLKEN CLKPRE1 CLKPRE0 1110 0111 TEC 1C Transmit Error Counter (TEC) 0000 0000 REC 1D Receive Error Counter (REC) 0000 0000 CNF3 28 SOF WAKFIL PHSEG22 PHSEG21 PHSEG20 00-- -000 CNF2 29 BTLMODE SAM PHSEG12 PHSEG11 PHSEG10 PRSEG2 PRSEG1 PRSEG0 0000 0000 CNF1 2A SJW1 SJW0 BRP5 BRP4 BRP3 BRP2 BRP1 BRP0 0000 0000 CANINTE 2B MERRE WAKIE ERRIE TX2IE TX1IE TX0IE RX1IE RX0IE 0000 0000 CANINTF 2C MERRF WAKIF ERRIF TX2IF TX1IF TX0IF RX1IF RX0IF 0000 0000 EFLG 2D RX1OVR RX0OVR TXBO TXEP RXEP TXWAR RXWAR EWARN 0000 0000 TXB0CTRL 30 ABTF MLOA TXERR TXREQ TXP1 TXP0-000 0-00 TXB1CTRL 40 ABTF MLOA TXERR TXREQ TXP1 TXP0-000 0-00 TXB2CTRL 50 ABTF MLOA TXERR TXREQ TXP1 TXP0-000 0-00 RXB0CTRL 60 RXM1 RXM0 RXRTR BUKT BUKT FILHIT0-00- 0000 RXB1CTRL 70 RSM1 RXM0 RXRTR FILHIT2 FILHIT1 FILHIT0-00- 0000 2005 Microchip Technology Inc. Preliminary DS21801D-page 61

NOTES: DS21801D-page 62 Preliminary 2005 Microchip Technology Inc.

52+ Ï Ñ ÔÏ Ñ u ÁMCP2515 ÊÇÊÔÏÐÖÐ ÒÖ ÖÉÆÍ ÑÖÎÖ}Ï Ñ ÔÏ Ñ (SPI) Ô ÒÉÏ Ñ ÔÏ ÑÈÍÍÆÊvvÈÍÉÆÉÂÕ Ò 0,0 ÉÕ Ò 1,1 ÎÐÔ ÒÈÉÆÌÈÂÐÔ ÒÉ Ò ÑÇ SCK ÊÍÏÒÑÉÐÖÒÐ ÐÈÍÉÂ ÒÓÏÑÊ SI Ó É~ÍÍÌÈÂMCP2515 ÇÍ ÊÒ ÑÊ SCK ÊÍÉ (SO ÖÏ Ê ) ÈÍÌÈÂCS Ó ÊÈËÉÊÉ.QY ÊÈ ÍÉÆÊÇÍÊÊÍÌÈÎÂs ÊÉÊ ÓÏÒÎÈÉÆÌÈÂÕ Ò 0,0 ÉÕ Ò 1,1 Ê ÊÉÊÑÏÕ ÐÊvÊÉÆÉÊ É ÎÈÉÇÉÈÆÂ ÖÑÒÒ ÁÖÑÒÒÊ MCP2515 ÊÖÑÑÑÎ ÈÂÐ ÔÏÐÕÖ ÑÕ Õ ÒÊÈÍÊÊÆ ÇÉÇÉÇÌÈÂÇÊÐÔ ÒÊ SPI Ï Ñ ÔÏ ÑÎÈÉÂRESET Ó ÉÈhÎÈÌÈÂ ÁÖÑÒÒÊÂ ÓÏÒÉ CS Î.QY ÊÈÍ ÇÉÉÒÓÏÑÎÈÂÓÏÒÎ~ÉÉÍ CS ÎÉÇÌÈÂÖÑÒÒÐÔ Ò ÌÉÊ RESET Ó Î.QY ÊÈÍ ÊÂ Ï ÊÑ Ð ÑÊÿÉÈÉÈsÈÍÍÆÆÌÈÌÈÂ wì}ì ÁwÌ}ÌÊ CS Ó Î.QY ÊÈÍÇÉÇÍÌ ÍÌÈÂÊÂwÌ}ÌÉ ÓÒÒÊÎÒÖÑ (A7 ÇÍ A0) ÇÇÉ MCP2515 Ê~ÍÍÌÈÂÈÊÊÂ ÈÍÉÎÒÖÑÊÖÑÑÑÊÈÍÉÆÉÒ ÑÇ SO Ó ÊÑÔÒÈÍÌÈÂ ÁÎÒÖÑÔÏ ÑÊÂ ÓÏÒÑÔÒÈ ÍÍÂiÊÊÎÒÖÑÊÈÈÍÌÈÂ ÈÉÇÉÉÂÊ~ÈÍÖÑÑÑÎÒÖÑÊÐÖÒ ÐÓÖÑÎ~ÍÉÇÉwÌ}ÌÇÉÇhÉÈÂÇÊ ÎÆÊÂ~ÈÍÖÑÑÑeÊÍÆÇÉÉÌ Ñ Ð ÑÕÖÊwÌ}ÌÇÉÇÉÇÌÈÂwÌ}Ì ÊÂCS Ó ÎÉÇÍÇÉÉÈÌÈÂ( ) 6/%2 Ê %5 Ç.QY ÊÊÉÉÊÓÏ ÒÊ ÐÔ ÒÓÏÒÉÌÊÈÌÈÂ ÇÍÊÉÌÍÂÊÐÔ ÒÎzÈÍ ÇÉÂ%5 ÎÆÉÉÎ *KIJ ÊÈÉÇÍ.QY ÊÈÊÇÍÊÊÍÊÆÉÆÆÇÉÉÈÂ 4: ÓÒÔÎwÌ}Ì ÁRX ÓÒÔÎwÌ}Ì ( ) ÊÂÓÒ ÔÎÎwÌ}ÌÉÌÊÈÊÌÆÎÒÖÑÎ ÈÌÈÂÇÊÊ ÓÏÒÊÎÒÖÑÓÏÒÊÍ Í SPI ÊÏ Ó ÔÒÒÎÍÈÌÈÂ ÊÐÔ ÒÓÏÒÊÎÒÖÑÔÏ ÑÊÉÌ ÉÊÎÉ ÍÌÈÂÿÐÔ ÒÓÏÒÇ~ÍÍÍÉÂÐ Ò Ö ÖÊwÌ}ÌÉÈÎÒÖÑeÊÒ ÑÎ ÐÖÒÐÎÏÒÈÌÈÂ ÌÉÑ Ð ÑÕÖwÌ} Ç}Ì ÁÇ}ÌÊ CS Ó Î.QY ÊÈÍÇÉÉÌÍ ÌÈÂÊÇ}ÌÊÎÒÖÑÉ ÓÏÒÊ Ò ÑÇÇÉ MCP2515 Ê~ÍÍÌÈÂ ÁCS Î.QY ÊÈÉÆÍ ÍÂÒ ÑÓÏÒÉÐÖÒ ÐÎÇÍÊÑ Ð ÑÕÖÊÖÑÑÑÊÇ}ÌÇ ÉÇÉÇÌÈÂ ÊÒ ÑÊÖÑÑÑËÊÇ}Ì ÊÂD0 ÓÒÒÊÉÇÊ SCK ÖÏ ÊÍÏÒÑÉ sèíìèâcs ÖÏ Ç ÓÒÒÖ ÒÈÍÍÍ ÍÊ *KIJ ÊÊÍÉÂÈÊÒ ÑÓÏÒÊÇ}ÌÊ ÈÍÂÈÊÐÔ ÒÊÊÒ ÑÌÉÇÇ} ÌÍÌÈÂÓÏÒÇ}ÌÑ Ð ÑÊvwÊ ÊÑÏÕ ÐÎÈÉÇÉÈÆÂ 6: ÓÒÔÎËÊÖ Ò ÁTX ÓÒÔÎÖ Ò ( ) ÊÂ~ÊÇ} ÌÐÔ ÒÊuÊÓÒÒÊÎÒÖÑÇuÍÌÈÎÂ ÓÒÒÇÂ~ÓÒÔÎÊ~ÉÇ}ÌÍÍ ÆÎÒÖÑÔÏ ÑÊ ÊÎÒÖÑÊÆÉÊ ÉÎ ÑÒÒÈÌÈÂÇÊÔÏ ÑÇ ÉÊ~ÓÒÔÎÊ ÊÍÇÊ +& ÇÒ ÑÎÒÖÑÎÈÈÌÈÂ ~u 465 ÌÌhÉÈ ÇÊÊÂÐÔ ÒÊÉ CS Ç ÉÇÉÉÉÇÂ ~ÈÍÔÖÐ (CAN- INTF.RXnIF) ÎiÊÐÖÎÈÍÇÉÉÂSPI ÊÏ Ó ÔÒÒÎÈÉÉÊÇÈÉÇÍÌÈÂ ÁRTS ÐÔ ÒÊÂ ÉÊ~ÓÒÔÎÊÕÒ Ñ ÑÊ~ÎzÈÍÉÌÊÆÐÔ ÒÉÈÂ ÁCS Î.QY ÊÈÍÇÉÉ MCP2515 ÎÈÌÈÂ Ê RTS ÐÔ ÒÓÏÒÎ~ÍÌÈÂ ÊÈÉ ÍÆÊÂÇÊÐÔ ÒÊÊ ÓÒÒÇÊÊ~ ÓÒÔÎÎ~vÈÍÇÎÈÉÆÌÈÂ ÁÇÊÐÔ ÒÊÈÍÓÒÔÎÊ TxBnC- TRL.TXREQ ÓÒÒÎÑÒÒÈÌÈÂÊ ÓÒÒ ÊÂÊÍÇÆÍÆÊÈËÉÇ ÉÊÐÔ ÒÉÑÒ ÒÉÇÌÈÂRTS ÐÔ ÒÇ nnn = 000 É~ÍÍÍ ÉÈÊÐÔ ÒÊuÈÍÌÈÂ wì}ì ÁwÌ}ÌÊÂÕÒÑ Ñ~ÊÓÒ ÒÉÈÉÍÍÉÆÍÊÍÇÊ ÉÎÐÑÑÉÇ ÍÍÆÊÈÌÈÂ ÁCS Î.QY ÊÈÉ MCP2515 ÎÈÂÊ ÊÈÍÍwÌ}ÌÐÔ ÒÓÏÒÎ MCP2515 Ê~ÍÌÈÂÿÐÔ ÒÓÏÒÇ~ÈÍÍÉÂ MCP2515 ÊÎÌ ÓÒÒÊÒ ÑÎ}~ÈÌ ÈÂ ÁÊ ÓÒÒ~ÊÆÉ~ÐÖÒÐÇ~ÍÍ ÍÊÂMCP2515 Ê CS Ó Ç.QY ÊÈÍÐÖÒ ÐÇ SCK ÊÈÍÍ ÍÂÓÒÒÎÈ ÇÌÈÂÁÇÊÐÔ ÒÉ}~ÈÍÍÓÒÒÊÂ ÊwÌ}ÌÐÔ ÒÎÉÉÌÂÊÖÑÑÑ ÎÒÖÑÎÈÍÊÂwÌ}ÌÌÈ 2005 Microchip Technology Inc. Preliminary DS21801D-page 63

4: ÁRX (ê} 12-9) ÊÂÊÊÔÏÖÑÇÕÒÑ ÑÉÕÒÑ ÑÑÏÔ ÂÂÖÕ Ò Êÿ ièéçîçèíéçêæìèâðô ÒÓ ÏÒÇ~ÍÍÍÉÂÐ ÒÖ ÖÊÒ ÑÎÌ ÓÒÒÊÒ ÑÎ}~ÈÌÈÂ ÓÒÒ ~ÂÈÍ ÊÐÖÒÐÇ~ÍÍÍÉÂCS Ó Ç.QY ÊÈÍÂ ÐÖÒÐÇÈÍÍ ÍÂÐ ÒÖ ÖÊÈ ÓÒÒÎÈÇÌÈÂ ÓÒÒ ÁÓÒÒÊÊÌÖÑÑÑÊÂ ÊÓÒÒÎÑÒÒÈÉÍÐÖÎÈÉÍÈÍÎ ÈÌÈÂÇÊÐÔ ÒÊÂÈËÉÊÖÑÑÑÊÉ ÆÆÇÉÉÊÆÍÌÈÎÂÊÊÖÑÑÑÎÇÊÐÔ ÒÉÆÇÉÇÉÇÍÇÊÂ ÖÑÑÑ ÔÒÔÊÎÈÉÇÉÈÆÂ ÁCS Î.QY ÊÈÉ MCP2515 ÎÈÉÇÍÂÓÒ ÒÐÔ ÒÓÏÒÎ MCP2515 Ê~ÍÌÈÂÐÔ ÒÊÆÉÖÑÑÑÊÎÒÖÑÉÔÑÐÓÏÒÂ ÊÒ ÑÓÏÒÇ~ÍÍÌÈÂ ÁÔÑÐÓÏÒÊÖÑÑÑÊÊÊÓÒÒÎÈÍÇ ÎÌÌÈÂÔÑÐÓÏÒÊ 1 ÊÖÑÑÑÊÓÒ ÒÊÇÉÇÂ 0 ÊÉÇÌÈÎÂ ÁÒ ÑÓÏÒÊÖÑÑÑÊÓÒÒÎÊÊÊ ÈÍÇÎÌÌÈÂÒ ÑÓÏÒÊ 1 ÊÈÊÓÒÒ ÎÑÒÒÈÂ 0 ÊÐÖÎÈÌÈÂÉÉÈÔÑÐÓÒÒ ÊÓÒÒÇ 1 ÊÑÒÒÈÍÉÆÍÉÇÉÈÂ ( ) ÓÒÒ 0 0 1 1 0 1 0 1 X X 1 0 X 0 X 1 ÓÒÒÎÓÒÒÇÆ ÊÆÖÑÑÑÊsÈÍÉÔÑÐÎ ((J ÊÈÉÈÌÆÌÈÂÇÍÊÓÒÒÉ ÊÊÇÓÏÒÇ}ÌÎÆÊÉÇÌ ÈÂ Ê ÖÑÑÑ Ê ÖÑÑÑ 0 1 0 1 0 0 0 1 0 1 1 0 0 0 0 1 s 52+ ÑÒÒ ÔÏ ÔÒÒ w ÖÑÒÒ 1100 0000 ÎÊÈ ÊÈÍ wì}ì 0000 0011 ÎÒÖÑÇÍ ÊÖÑÑÑÊÒ ÑÎwÌ}Ì RX ÓÒÔÎwÌ} 1001 0nm0 ÓÒÔÎÇÍÒ ÑÎwÌ}ÌÉÇÂ n,m ÉÈÉ Ì ÊÆÉÊ ÊÎÒÖÑÔÏ ÑÎÆÇÉÉ~ÊwÌÈÐ Ô ÒÍÍÏ Ó ÔÒÒÎÍÈÂ : ÈÍ RX ÔÖÐ ÓÒÒ (CANINTF.RXnIF) Î CS Î *KIJ ÊÈÍÉÇÐÖÎÈÍÂ Ç}Ì 0000 0010 ÎÒÖÑÇÍ ÊÖÑÑÑÊÒ ÑÎÇ}Ì TX ÓÒÔÎÇ} Ì RTS ( ÕÒÑ Ñ ~u ) 0100 0abc ~ÓÒÔÎÊÇ}ÌÉÇÂ a,b,c ÉÈÉ ÊÊ É ÊÎÒÖÑÔÏ ÑÎÆÇÉÉ~ÊÇ}ÌÐÔ ÒÍÍ Ï Ó ÔÒÒÎÍÈÂ 1000 0nnn Ð ÒÖ ÖÊÆÈÍÇÊ~ÓÒÔÎÊÕÒÑ Ñ~Ñ Ð ÑÎ ÈÍÍÆÈÍ 1000 0nnn TXB2 Ê~u TXBO Ê~u TXB1 Ê~u wì}ì 1010 0000 ~hêæçéçêóòòîwì}ì~ô Ö ÐÐ Ô Ò RX wì}ì 1011 0000 ÕÒÑ ÑÊÔÏÖÑÿiÉÕÒÑ ÑÑÏÔ Â ÂÖÕ Ò ÎwÌ}ÌÉÌÊ~Ô Ö ÐÐÔ Ò ÓÒÒ 0000 0101 Õ Ð ÇÊÖÑÑÑÊÓÒÒÎÑÒÒÐÖÎÉÇÍÍ ÆÊÈÍÂ : ÊÖÑÑÑÇÇÊÐÔ ÒÉÓÒÒÉÇ ÍÍÇÉÊÊÆÂÓÒÒÉÇÊÆÖÑÑÑÊÐÔ ÒÎ sèíéâôñðç FFh ÉÊÍÂÉÇÍÖÑÑÑÖÑÒÊ ÉÆÉÊ ÖÑÑÑÔÒÔÊÖÑÑÑÔÒÔÎ DS21801D-page 64 Preliminary 2005 Microchip Technology Inc.

wì}ì CS SCK SI 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ÎÒÖÑÓÏÒ 0 0 0 0 0 0 1 1 A7 6 5 4 3 2 1 A0 u 23 SO ÓÏÏ Ó Ñ Ñ Ò Ñ 7 6 5 4 3 2 1 0 CS SCK SI SO 4: ÓÒÔÎwÌ}Ì 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 0 0 1 0 n ÓÏÏ Ó Ñ Ñ m 0 u Ò Ñ 7 6 5 4 3 2 1 0 n m ÎÒÖÑÔÏ Ñ ÎÒÖÑ 0 0 ÓÒÔÎ 0, RXB0SIDH É 0 1 ÓÒÔÎ 0, RXB0D0 É 1 0 ÓÒÔÎ 1, RXB1SIDH É 1 1 ÓÒÔÎ 1, RXB1D0 É 0x61 0x66 0x71 0x76 ÓÏÒÇ}Ì CS SCK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ÎÒÖÑÓÏÒ Ò ÑÓÏÒ SI 0 0 0 0 0 0 1 0 A7 6 5 4 3 2 1 A0 7 6 5 4 3 2 1 0 SO ÓÏÏ Ó Ñ Ñ 2005 Microchip Technology Inc. Preliminary DS21801D-page 65

6: ÓÒÔÎÖ Ò CS SCK SI SO 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Ò Ñ 0 1 0 0 0 a b c 7 6 5 4 3 2 1 0 ÓÏÏ Ó Ñ Ñ a b c ÎÒÖÑÔÏ Ñ #FFT 0 0 0 TX ÓÒÔÎ 0, TXB0SIDH É 0 0 1 TX ÓÒÔÎ 0, TXB0D0 É 0 1 0 TX ÓÒÔÎ 1, TXB1SIDH É 0 1 1 TX ÓÒÔÎ 1, TXB1D0 É 1 0 0 TX ÓÒÔÎ 2, TXB2SIDH É 1 0 1 TX ÓÒÔÎ 2, TXB2D0 É 0x31 0x36 0x41 0x46 0x51 0x56 ~u465 CS SCK 0 1 2 3 4 5 6 7 SI 1 0 0 0 0 T2 T1 T0 SO ÓÏÏ Ó Ñ Ñ ÓÒÒ CS SCK 0 1 2 3 4 5 6 7 8 9 1011 121314 15 16171819 20 2122 23 24 25 26 27 28 29 30 31 SI 0 0 0 0 0 1 0 1 A7 6 5 4 3 2 1 A0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 SO ÊÖÑÑÑÇÇÊÐÔ ÒÉÎÐÑ ÑÉÇÍÍÇÉÊÊÆÂhÖÑÒ ÊÖÑÑÑÔÒÔÎ ÓÏÏ Ó Ñ Ñ DS21801D-page 66 Preliminary 2005 Microchip Technology Inc.

wì}ì CS SCK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 SI SO 1 0 1 0 0 0 0 0 ÓÏÏ Ó Ñ Ñ Ò Ñ 7 6 5 4 3 2 1 0 u eí}è Ò Ñ 7 6 5 4 3 2 1 0 CANINTF.RX0IF CANINTFL.RX1IF TXB0CNTRL.TXREQ CANINTF.TX0IF TXB1CNTRL.TXREQ CANINTF.TX1IF TXB2CNTRL.TXREQ CANINTF.TX2IF 4: wì}ì CS SCK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 SI 1 0 1 1 0 0 0 0 u SO ÓÏÏ Ó Ñ Ñ Ò Ñ 7 6 5 4 3 2 1 0 eí}è Ò Ñ 7 6 5 4 3 2 1 0 7 6 ÕÒÑ Ñ 0 0 RX ÕÒÑ ÑÊÈ 0 1 RXB0 ÊÕÒÑ ÑÆÍ 1 0 RXB1 ÊÕÒÑ ÑÆÍ 1 1 ÊÕÒÑ ÑÆÍ * CANINTF.RXnIF ÓÒÒÊÓÒÒ É ÊÔÒÔÈÍÉÆÍÂ 4 3 0 0 Ò ÑÔÖ Õ 0 1 ÖÕ ÒÔÖ Õ 1 0 Ò ÑÔÖ Õ 1 1 ÖÕ ÒÔÖ Õ ID ÓÒÒÊÓÒÒ ÊÂ RTR ÓÒÒÊÓÒÒ ÊÔÒÔ ÈÍÉÆÍÂ * ÓÒÔÎ0 ÇÆÎÌÉÂÈÉÇÉÉ RXB0 ÊÇ ÓÒÒ 4:0 ÊÈÍÍÂ 2 1 0 ÿiôïöñ 0 0 0 RXF0 0 0 1 RXF1 0 1 0 RXF2 0 1 1 RXF3 1 0 0 RXF4 1 0 1 RXF5 1 1 0 RXF0 (RXB1 Ê ~ ) 1 1 1 RXF1 (RXB1 Ê ~ ) 2005 Microchip Technology Inc. Preliminary DS21801D-page 67

52+ ÑÏÕ Ð 3 CS SCK 1,1 0,0 1 6 7 2 11 10 SI 4 5 MSB in LSB in SO ÓÏÏ Ó Ñ Ñ 52+ ÑÏÕ Ð CS SCK 8 9 2 1,1 0,0 12 13 14 SO MSB out LSB out SI u DS21801D-page 68 Preliminary 2005 Microchip Technology Inc.

VDD...7.0V Ó VSS ÊÈÉ... -0.6V VDD +1.0V... -65 C +150 C... -65 C +125 C Ö ÒÊÎÉ (10 )... +300 C : vêããîzæíñòöñîæíéâòóïñêêîæíçéçæíìèâçêuêñòö ÑÊÌÎuÈÍÌÊÉÆÍÂÇÊÊÊv ÈÍuÉÊÒÓÏÑÎÌÉÌÊÉÊÆÍÌÈÎÂ ÒÓÏÑÎÊÈÍÉÂÒÓÏÑÊŠÊ ÎÆÍÇÉÇÆÍÌÈÂ 2005 Microchip Technology Inc. Preliminary DS21801D-page 69

s DC &% (I): TAMB = -40 C +85 C VDD = 2.7V 5.5V (E): TAMB = -40 C +125 C VDD = 4.5V 5.5V. No. v Min Max Á VDD 2.7 5.5 V VRET ÖÑÑÑ 2.4 V High ÖÔÖ VIH RXCAN 2 VDD + 1 V SCK, CS, SI, TXnRTS Ó 0.7 VDD VDD + 1 V OSC1 0.85 VDD VDD V RESET 0.85 VDD VDD V Low ÖÔÖ VIL RXCAN, TXnRTS Ó -0.3.15 VDD V SCK, CS, SI -0.3 0.4 V OSC1 VSS.3 VDD V RESET VSS.15 VDD V Low ÖÔÖ VOL TXCAN 0.6 V IOL = +6.0 ma, VDD = 4.5V RXnBF Ó 0.6 V IOL = +8.5 ma, VDD = 4.5V SO, CLKOUT 0.6 V IOL = +2.1 ma, VDD = 4.5V INT 0.6 V IOL = +1.6 ma, VDD = 4.5V High ÖÔÖ V VOH TXCAN, RXnBF Ó VDD 0.7 V IOH = -3.0 ma, VDD = 4.5V SO, CLKOUT VDD 0.5 V IOH = -400 µa, VDD = 4.5V INT VDD 0.7 V IOH = -1.0 ma, VDD = 4.5V Ö Ð ILI I/OÂOSC1 É TXnRTS Ó Î Ç -1 +1 µa CS = RESET = VDD, VIN = VSS VDD OSC1 Ó -5 +5 µa CINT ( É ) 7 pf TAMB = 25 C, f C = 1.0 MHz, VDD = 0V ( ) IDD 10 ma VDD = 5.5V, FOSC = 25 MHz, FCLK = 1 MHz, SO = IDDS ÑÑ ÓÏ ( ÑÖ ÔÕ Ò ) 5 µa CS, TXnRTS = VDD, Ê VDD Ç VSS Ê, -40 C +85 C 8 µa CS, TXnRTS = VDD, Ê VDD Ç VSS Ê, -40 C +125 C ÇÊÓÖÕ ÑÊÊÐ ÔÖÉ ÊÒÑÒÈÍÉÆÊÆÂ DS21801D-page 70 Preliminary 2005 Microchip Technology Inc.

s ÑÏÕ Ð ÑÏÕ Ð (I): TAMB = -40 C +85 C VDD = 2.7V 5.5V (E): TAMB = -40 C +125 C VDD = 4.5V 5.5V No. v Min Max Á FOSC ÐÖÒÐ 1 1 TOSC ÐÖÒÐ 25 40 TDUTY ÒÕ ÒÏÐÏÐÖ ( ÐÖÒÐ ) 40 25 1000 1000 MHz MHz ns ns 4.5V 5.5V 2.7V 5.5V 4.5V 5.5V 2.7V 5.5V 0.45 0.55 TOSH/(TOSH + TOSL) ÇÊÓÖÕ ÑÊÊÐ ÔÖÉ ÊÒÑÒÈÍÉÆÊÆÂ s CAN Ï Ñ ÔÏ Ñ AC No. %#0 Ï Ñ ÔÏ Ñ #% (I): TAMB = -40 C +85 C VDD = 2.7V 5.5V (E): TAMB = -40 C +125 C VDD = 4.5V 5.5V v Min Max Á TWF ÏÏÏÐÎÒÔÓÏÑÔÏÖÑ 100 ns s ÖÑÒÒ AC No. ÖÑÒÒ#% (I): TAMB = -40 C +85 C VDD = 2.7V 5.5V (E): TAMB = -40 C +125 C VDD = 4.5V 5.5V v Min Max Á trl RESET Ó Low 2 µs 2005 Microchip Technology Inc. Preliminary DS21801D-page 71

s CLKOUT Ó AC/DC No. %.-176 Ó #% (I): TAMB = -40 C +85 C VDD = 2.7V 5.5V (E): TAMB = -40 C +125 C VDD = 4.5V 5.5V v Min Max Á t h CLKOUT CLKOUT Ó High 15 ns TOSC = 40 ns ( ) t l CLKOUT CLKOUT Ó Low 15 ns TOSC = 40 ns ( ) t r CLKOUT CLKOUT Ó Í 5 ns 0.3 VDD 0.7 VDD É ( ) t f CLKOUT CLKOUT Ó Í 5 ns 0.7 VDD 0.3 VDD É ( ) t d CLKOUT CLOCKOUT ~ 100 ns 15 t h SOF Start-Of-Frame Ê High 2 TOSC ns 16 t d SOF Start-Of-Frame Ê~ 2 TOSC + 0.5 TQ ns CAN ÓÒÒÐ ÔÖÇÍ Ò ÓÏÑÊ CNF1.BRP<5:0> = 0 ( ) íç 1: ÒÓÏÑ Ê CLKOUT Õ ÒhÉÉÒÑÒÌÂÉÉÈ CLKOUT Ê ÇÊÓÖÕ ÑÊÊÐ ÔÖÉ ÊÒÑÒÈÍÉÆÊÆÂ 2: vvïïòêìâòñò 56#461((4#/' Ó #% RXCAN Ð ÔÖ 16 15 DS21801D-page 72 Preliminary 2005 Microchip Technology Inc.

s SPI Ï Ñ ÔÏ Ñ AC 52+ Ï Ñ ÔÏ Ñ #% (I): TAMB = -40 C +85 C VDD = 2.7V 5.5V (E): TAMB = -40 C +125 C VDD = 4.5V 5.5V No. v Min Max Á FCLK ÐÖÒÐ 10 MHz 1 TCSS CS ÑÒÒÎÒÔ 50 ns 2 TCSH CS 50 ns 3 TCSD CS 50 ns 4 TSU Ò ÑÑÒÒÎÒÔ 10 ns 5 THD Ò Ñ 10 ns 6 TR CLK Í 2 µs 7 TF CLK Í 2 µs 8 THI Clock High 45 ns 9 TLO Clock Low 45 ns ns 10 TCLD Clock ~ 50 ns 11 TCLE Clock v 50 ns 12 TV Clock Low ÇÍÊ 45 ns 13 THO 0 ns 14 TDIS 100 ns ÇÊÓÖÕ ÑÊ ÊÒÑÒÈÍÉÆÊÆ 2005 Microchip Technology Inc. Preliminary DS21801D-page 73

DS21801D-page 74 Preliminary 2005 Microchip Technology Inc.

ÓÒÐ Ñ ÓÒÐ ÑÔ Ð Ð 18-Lead PDIP (300 mil) : XXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXX YYWWNNN MCP2515-I/P^^ 0434256 e3 18-Lead SOIC (300 mil) : XXXXXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXXX YYWWNNN MCP2515 E/SO^^ e3 0434256 20-Lead TSSOP (4.4 mm) : XXXXXXXX XXXXXNNN YYWW MCP2515 IST e3 ^ 256 0434 : XX...X ÏÑÑÔ Y Ð Ò ( ÏÖ ÑÊ ) YY Ð Ò ( ÏÖ ÑÊ ) WW ~Ð Ò ( Î~ 01 ÉÈÍ ) NNN e3 kêòö ÑÐ Ò ƒõòð (Sn) Ê ÈÍ ÔÖ JEDEC Ð Ò * ÓÒÐ ÑÊ ÔÖ ÉÈÂ ÔÖ JEDEC Á ( e3) ÊÓÒÐ ÑÊuÇÍuÆÍÍÆÊÈÉÆÌÈÂ : ÔÏÐÖÒÒÔÊÓ ÒÇ séíêæéçêâêsêêì ÌÈÂÇÊÉÌÏÑÑÔÊÇ ÈÍÌÈÂ 2005 Microchip Technology Inc. Preliminary DS21801D-page 75

18-Lead Plastic Dual In-line (P) 300 mil (PDIP) E1 D 2 n 1 α E A2 A β eb c A1 Ï Ò * B B1 p ÕÖÕ Ñ MIN NOM MAX MIN Ó n 18 ÓÒÒ p.100 ÇÍtˆ A.140.155.170 3.56 Õ ÖÒÓÒÐ Ñ A2.115.130.145 2.92 ˆÇÍtˆ A1.015 0.38 g E.300.313.325 7.62 Õ ÖÒÓÒÐ Ñ E1.240.250.260 6.10 D.890.898.905 22.61 ÇÍtˆ L.125.130.135 3.18 Ö Ò c.008.012.015 0.20 Ö Ò B1.045.058.070 1.14 Ö Ò B.014.018.022 0.36 eb.310.370.430 7.87 Õ ÖÒÇu α 5 10 15 5 Õ ÖÒÇu β 5 10 15 5 * ÓÖÕ Ñ : D É E1ÊÊÕ ÖÒÊÊÌÈÌÎÌÌÈÎÂÕ ÖÒÊÊÌÈÌʈÇÍ.010 (0.254mm) ÊÆÍÌÈΠJEDEC : MS-001 Drawing No. C04-007 NOM 18 2.54 3.94 3.30 7.94 6.35 22.80 3.30 0.29 1.46 0.46 9.40 10 10 L MAX 4.32 3.68 8.26 6.60 22.99 3.43 0.38 1.78 0.56 10.92 15 15 DS21801D-page 76 Preliminary 2005 Microchip Technology Inc.

18-Lead Plastic Small Outline (SO) Wide, 300 mil (SOIC) p E E1 D B n 2 1 h α 45 c A A2 β L φ A1 Ï Ò * ÕÖÕ Ñ MIN NOM MAX MIN NOM MAX Ó n 18 18 ÓÒÒ p.050 1.27 A.093.099.104 2.36 2.50 2.64 Õ ÖÒÓÒÐ Ñ A2.088.091.094 2.24 2.31 2.39 ÑÑ ÒÏÔ A1.004.008.012 0.10 0.20 0.30 E.394.407.420 10.01 10.34 10.67 Õ ÖÒÓÒÐ Ñ E1.291.295.299 7.39 7.49 7.59 D.446.454.462 11.33 11.53 11.73 ˆÍ h.010.020.029 0.25 0.50 0.74 z L.016.033.050 0.41 0.84 1.27 zu φ 0 4 8 0 4 8 Ö Ò c.009.011.012 0.23 0.27 0.30 Ö Ò B.014.017.020 0.36 0.42 0.51 Õ ÖÒÇu α 0 12 15 0 12 15 β 0 12 15 0 12 15 Õ ÖÒÇu * ÓÖÕ Ñ : D É E1ÊÊÕ ÖÒÊÊÌÈÌÎÌÌÈÎÂÕ ÖÒÊÊÌÈÌʈÇÍ.010 (0.254mm) ÊÆÍÌÈΠJEDEC : MS-013 Drawing No. C04-051 2005 Microchip Technology Inc. Preliminary DS21801D-page 77

20-Lead Plastic Thin Shrink Small Outline (ST) 4.4 mm (TSSOP) E p E1 B D n 2 1 A α c β φ L A1 A2 Ï Ò ÕÖÕ Ñ * MIN NOM MAX MIN NOM MAX Ó n 20 20 ÓÒÒ p.026 0.65 A.043 1.10 Õ ÖÒÓÒÐ Ñ A2.033.035.037 0.85 0.90 0.95 ÑÑ ÒÏÔ A1.002.004.006 0.05 0.10 0.15 E.246.251.256 6.25 6.38 6.50 Õ ÖÒÓÒÐ Ñ E1.169.173.177 4.30 4.40 4.50 Õ ÖÒÓÒÐ Ñ D.252.256.260 6.40 6.50 6.60 z L.020.024.028 0.50 0.60 0.70 zu φ 0 4 8 0 4 8 Ö Ò c.004.006.008 0.09 0.15 0.20 Ö Ò B.007.010.012 0.19 0.25 0.30 Õ ÖÒÇu α 0 5 10 0 5 10 β 0 5 10 0 5 10 Õ ÖÒÇu * ÓÖÕ Ñ : D É E1ÊÊÕ ÖÒÊÊÌÈÌÎÌÌÈÎÂÕ ÖÒÊÊÌÈÌʈÇÍ.005 (0.127mm) ÊÆÍÌÈΠJEDEC : MO-153 Drawing No. C04-088 DS21801D-page 78 Preliminary 2005 Microchip Technology Inc.

ƒ# ÖÓÑÕ D (2005 ) vöñò : 1. 8.0 Âs 8-1 És 8-2 ~ÂsÊÎ~ 2. 11.0,s 11-1. ÐÖÕuÈÊÎÒÖÑ 3. 14.0 ÓÒÐ ÑÊ 2D ÔÖ ÒÓÏÑ Ô Ð Ð 4. ƒöóñõ A ~ : u Ê ËÆ ÖÓÑÕ C (2004 ) vöñò : 1. ÉÊ 9.0 ~ 2. 12, uè 12.1: Î~ uè 12.6: mê È 3. ÖÓÑÕ # ~ : ÖÓÑÕ B (2003 ) vöñò : 1. Ô ÑÌÉÌ : ÑÑ ÓÏ ( ) ( Ñ Ö ÔÕ Ò ) Î 10 µa ÇÍ 1µAÊ 2. 8.2 CLKOUT Ó : Î~ CLKOUTÊ ÊÉÉ 3. 12.0, s 12-1: - 2.7V Ê - : VDD Î 0V Ê - ÑÑ ÓÏ ( ÑÖ ÔÕ Ò ): Î -40 C +85 C É -40 C +125 C Ê ÖÓÑÕ A (2003 ) s 2005 Microchip Technology Inc. Preliminary DS21801D-page 79

NOTES: DS21801D-page 80 Preliminary 2005 Microchip Technology Inc.

txññòõ ÌywÂÌÉÊÌÊÊÊÊÌÈÇÊ~ÊÑ ÖÑÏÔÏÑËÆÆÍÈÇÉÈÆÂ. PART NO. X /XX ÒÓÏÑ ÓÒÐ Ñ ÒÓÏÑ MCP2515: CAN Controller w/ SPI Interface MCP2515T: CAN Controller w/spi Interface ( Ò ÔÉÖ Ö ) I = -40 C +85 C ( ) E = -40 C +125 C ( ) ÓÒÐ Ñ P = Plastic DIP (300 mil Body), 18-Lead SO = Plastic SOIC (300 mil Body), 18-Lead ST = TSSOP, (4.4 mm Body), 20-Lead Examples: a) MCP2515-E/P:, 18LD PDIP ÓÒÐ Ñ b) MCP2515-I/P:, 18LD PDIP ÓÒÐ Ñ c) MCP2515-E/SO:, 18LD SOIC ÓÒÐ Ñ d) MCP2515-I/SO: I, 18LD SOIC ÓÒÐ Ñ e) MCP2515T-I/SO: Ò ÔÉÖ Ö,, 18LD SOIC ÓÒÐ Ñ f) MCP2515-I/ST:, 20LD TSSOP ÓÒÐ Ñ g) MCP2515T-I/ST: T Ò ÔÉÖ Ö,, 20LD TSSOP ÓÒÐ Ñ 2005 Microchip Technology Inc. Preliminary DS21801D-page 81

NOTES: DS21801D-page 82 Preliminary 2005 Microchip Technology Inc.

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