PS2 Scan CodeASCII PS2 Scan Code ASCII PS2 ASCII Pin IC TTL C 1byte ASCII 2byte(FunctionKey ) Shift,Ctrl,Alt,CapsLock,NumLock Function Key Pin Vcc(V) GND N.C PIC12F629 Or PS2 Clock PIC12F675 Out Put Enable TTL 232C TX Reset PS2 Data Pin1VCC Pin8VSS Pin2 PIN Pin7PS2 Pin3 HighOff LowO Pin6TTL 232C Pin4 Low Pin5PS2 Pin3 IC GND PinPin PS2 ClockData 10kohm 1/10 ()IRV
Microchip PIC12F629 PIC12F675 V % MH RS232C TX *Out Put Enable ASCII +5V GND PS2Data PS2Clock Out Put EnablePin3 Logic Low Logic High Out Put EnablePin3 Low PS DIN Din6Pin Din 6Pin Pin 1: PS2 Data 2: N.C 3:GND 4:+5V 5:PS2 Clock 6:N.C N.C 2/10 ()IRV
ASCII 1byte a A 08 Byte Code ) Byte 00-41 1 st byte 002 nd Byte 41 Byte Hexadecimal Key Shift/CapLockCtrlAlt 3/10 ()IRV
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CtrlAltDel PSNumLock 0x000xff 2byte Del NumLock NumLock LED 9/10 ()IRV
PS2 PS2 PS2 CapsLockNumLock NumLock LED NumLock LED CtrlAlDelete PS2 PS2 JE JECtrlAltDel IC RSC RSC MAX RTS IC PINOut Put Enable RTS/CTS MAX232 RXD TTL 232C TX Pin CTS RTS Out Put Enable Pin RXD PC 10/10 ()IRV
Reset PS2 Pin Pin PS2 PS2-Clock Pin PS2-Data Pin5 232C TX Pin Low / High High High Low->High High High High Low->High High Low High ASCII 8bit Data-1 Data-2 Data Data C Out Put Enable 11/10 ()IRV