| 1 |
Am8251 |
Programmable Communications Interface |
AMD |
 |
| 2 |
Am8253 |
Programmable Interval Timer |
AMD |
|
| 3 |
Am8253-5 |
Programmable Interval Timer |
AMD |
|
| 4 |
Am8255A |
Programmable Peripheral Interface |
AMD |
|
| 5 |
Am8255A-5 |
Programmable Peripheral Interface |
AMD |
|
| 6 |
AM8257 |
(AM9557 / AM8257) Programmable DMA Controller |
Advanced Micro Devices |
|
