REM=MC68HC11EA9 (PLCC52): REM=TxD:21 - Prog. RxD REM=RxD:20 - Prog. TxD REM=RST:17 - Prog. RST REM=MODA:3 - GND REM=MODB:22 - GND REM=VDDSYN:23 - GND REM=GND:1 - Prog. GND REM=GND:25 - Prog. GND PAK=52,P 1 !VSS 2 !VDD 3 !MODA/LIR 4 STRA/AS 5 E 6 STRB/R/W 7 !EXTAL 8 XTAL 9 PC0/AD0/DATA0 10 PC1/AD1/DATA1 11 PC2/AD2/DATA2 12 PC3/AD3/DATA3 13 PC4/AD4/DATA4 14 PC5/AD5/DATA5 15 PC6/AD6/DATA6 16 PC7/AD7/DATA7 17 !RESET 18 XIRQ/VPPE 19 IRQ 20 !PD0/RxD 21 !PD1/TxD 22 !MODB/VSTBY 23 !VDDSYN 24 XFC 25 !GND 26 !VDD 27 PA7/PAI/OC1 28 PA6/OC2/OC1 29 PA5/OC3/OC1 30 PA4/OC4/OC1 31 PA3/OC5/IC4 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