name:         82C55A_PLCC
function:     PROGRAMMABLE INTERFACE ADAPTER
package:      PLCC SQUARE,48
manufacturer: HARRIS
added-by:     ROB
comment:      44 PINOUT PLCC SQUARE

+----------+---------+----------+-----------+
|  1 - PA3 | 13 - PC5| 25 - PB6 | 37 - D0   |
|  2 - PA2 | 14 - PC4| 26 - PB7 | 38 - RESET|
|  3 - PA1 | 15 - PC0| 27 - VCC | 39 - N.C. |
|  4 - PA0 | 16 - PC1| 28 - N.C.| 40 - /WR  |
|  5 - /RD | 17 - PC2| 29 - N.C.| 41 - PA7  |
|  6 - /CS | 18 - PC3| 30 - D7  | 42 - PA6  |
|  7 - GND | 19 - PB0| 31 - D6  | 43 - PA5  |
|  8 - N.C.| 20 - PB1| 32 - D5  | 44 - PA4  |
|  9 - A1  | 21 - PB2| 33 - D4  | 45 - NONE |
| 10 - A0  | 22 - PB3| 34 - D3  | 46 - NONE |
| 11 - PC7 | 23 - PB4| 35 - D2  | 47 - NONE |
| 12 - PC6 | 24 - PB5| 36 - D1  | 48 - NONE |
+----------+---------+----------+-----------+

This information was added by a third party and may be incorrect.

This pinout came from the Chipdir:
http://www.chipdir.org/