| 1 |
UPD8251 |
PROGRAMMABLE COMMUNICATIONS INTERFACE |
NEC |
 |
| 2 |
UPD8251A |
PROGRAMMABLE COMMUNICATIONS INTERFACE |
NEC |
|
| 3 |
UPD8251AF |
PROGRAMMABLE COMMUNICATIONS INTERFACE |
NEC |
|
| 4 |
UPD8253 |
PROGRAMMABLE INTERVAL TIMER |
NEC |
|
| 5 |
UPD8253-5 |
PROGRAMMABLE INTERVAL TIMER |
NEC |
|
| 6 |
UPD8255 |
PROGRAMMABLE PERIPHERAL INTERFACES |
NEC |
|
| 7 |
UPD8255A |
Programmable Peripheral Interface |
NEC |
|
| 8 |
UPD8255A-5 |
PROGRAMMABLE PERIPHERAL INTERFACES |
NEC |
|
| 9 |
UPD8257 |
Programmable DMA Controller |
NEC |
|
