PAK=56 REM=MC68HC11Ex (SDIP56): REM=TxD:22 - Prog. RxD REM=RxD:20 - Prog. TxD REM=RST:17 - Prog. RST REM=MODA:3 - GND REM=MODB:2 - GND REM=GND:1,28 - GND REM=EXTAL:7 REM=VCC:27 - Vcc (optional) 1 !Vss#GND 2 !MODB#GND 3 !MODA#GND 4 STRA/AS 5 E 6 STRB/R/W 7 !EXTAL 8 XTAL 9 PC0/AD0/D0 10 PC1/AD1/D1 11 PC2/AD2/D2 12 PC3/AD3/D3 13 PC4/AD4/D4 14 PC5/AD5/D5 15 PC6/AD6/D6 16 PC7/AD7/D7 17 !RST#RST 18 XIRQ/VPPE 19 IRQ 20 !RxD#TXD 21 EVss 22 !TxD#RXD 23 PD2/MISO 24 PD3/MOSI 25 PD4/SCK 26 PD5/SS 27 !VDD#VCC 28 !VSS#GND 29 EVDD 30 PA7/PAI/OC1 31 PA6/OC2/OC1 32 PA5/OC3/OC1 33 PA4/OC4/OC1 34 PA3/OC5/IC4/OC1 35 PA2/IC1 36 PA1/IC2 37 PA0/IC3 38 PB7/ADDR15 39 PB6/ADDR14 40 PB5/ADDR13 41 PB4/ADDR12 42 PB3/ADDR11 43 PB2/ADDR10 44 PB1/ADDR9 45 PB0/ADDR8 46 PE0/AN0 47 PE4/AN4 48 PE1/AN1 49 PE5/AN5 50 PE2/AN2 51 PE6/AN6 52 PE3/AN3 53 PE7/AN7 54 VRL 55 VRH 56 EVSS