REM=MC68HC11Ax,MC68HC11Ex (PLCC52): REM=TxD:21 - Prog. RxD REM=RxD:20 - Prog. TxD REM=RST:17 - Prog. RST REM=MODA:3 - GND REM=MODB:2 - GND REM=GND:1 - Prog. GND REM=Vcc:26 - Vcc (optional) PAK=52,P 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 !TxD#RXD 22 PD2/MISO 23 PD3/MOSI 24 PD4/SCK 25 PD5/SS 26 !VDD#VCC 27 PA7/PAI 28 PA6/OC2 29 PA5/OC3 30 PA4/OC4 31 PA3/OC5 32 PA2/IC1 33 PA1/IC2 34 PA0/IC3 35 PB7/AD15 36 PB6/AD14 37 PB5/AD13 38 PB4/AD12 39 PB3/AD11 40 PB2/AD10 41 PB1/AD9 42 PB0/AD8 43 PE0/AN0 44 PE4/AN4 45 PE1/AN1 46 PE5/AN5 47 PE2/AN2 48 PE6/AN6 49 PE3/AN3 50 PE7/AN7 51 VRL 52 VRH