name: 8520 function: PORT package: DIP40,40 manufacturer: added-by: GLENN WALLGREN comment: AMIGA 500 +--()--+ GND | 1 40| KBDATA DVL | 2 39| KBCLOCK LED | 3 38| A8 CHNG | 4 37| A9 WPROT | 5 36| A10 TRKO | 6 35| A11 RDY | 7 34| RESET FIRE 0 | 8 33| D0 FIRE 1 | 9 32| D1 D0 |10 31| D2 D1 |11 30| D3 D2 |12 29| D4 D3 |13 28| D5 D4 |14 27| D6 D5 |15 26| D7 D6 |16 25| E D7 |17 24| ACK STROBE |18 23| CS V SYNC |19 22| R/W VCC |20 21| INT 2 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/