68901 (DIP) 680x0 multi-function peripheral. +--------------+ R//W |1 +--+ 48| /CE RS0 |2 47| /DS RS1 |3 46| /DTACK RS2 |4 45| /IACK RS3 |5 44| D7 RS4 |6 43| D6 TC |7 42| D5 SO |8 41| D4 SI |9 40| D3 RC |10 39| D2 VCC |11 38| D1 |12 37| D0 TAO |13 68901 36| GND TBO |14 35| CLK TCO |15 34| /IEI TDO |16 33| /IEO X1 |17 32| /IRQ X0 |18 31| /RR TAI |19 30| /TR TBI |20 29| INT7 /RST |21 28| INT6 INT0 |22 27| INT5 INT1 |23 26| INT4 INT2 |24 25| INT3 +--------------+ [This information is part of the GIICM] 68901 (PLCC) 680x0 multi-function peripheral. PLCC52 +---------------------------------------------------------------+ | 8 TC | 21 | 34 /TR | 47 D6 | | 9 SO | 22 TAI | 35 /RR | 48 D7 | | 10 SI | 23 TBI | 36 /IRQ | 49 /IACK | | 11 RC | 24 /RST | 37 /IEO | 50 /DTACK | | 12 VCC | 25 INT0 | 38 /IEI | 51 /DS | | 13 | 26 INT1 | 39 CLK | 52 /CE | | 14 | 27 INT2 | 40 GND | 1 | | 15 TAO | 28 INT3 | 41 D0 | 2 R//W | | 16 TBO | 29 INT4 | 42 D1 | 3 RS0 | | 17 TCO | 30 INT5 | 43 D2 | 4 RS1 | | 18 TDO | 31 INT6 | 44 D3 | 5 RS2 | | 19 X1 | 32 INT7 | 45 D4 | 6 RS3 | | 20 X0 | 33 | 46 D5 | 7 RS4 | +---------------------------------------------------------------+ [This information is part of the GIICM]