DIL Socket 28 Leads
| Pin | Name | Type |
|---|---|---|
| 1 | 1 | bidirectional |
| 2 | 2 | bidirectional |
| 3 | 3 | bidirectional |
| 4 | 4 | bidirectional |
| 5 | 5 | bidirectional |
| 6 | 6 | bidirectional |
| 7 | 7 | bidirectional |
| 8 | 8 | bidirectional |
| 9 | 9 | bidirectional |
| 10 | 10 | bidirectional |
| 11 | 11 | bidirectional |
| 12 | 12 | bidirectional |
| 13 | 13 | bidirectional |
| 14 | 14 | bidirectional |
| 28 | 28 | bidirectional |
| 27 | 27 | bidirectional |
| 26 | 26 | bidirectional |
| 25 | 25 | bidirectional |
| 24 | 24 | bidirectional |
| 23 | 23 | bidirectional |
| 22 | 22 | bidirectional |
| 21 | 21 | bidirectional |
| 20 | 20 | bidirectional |
| 19 | 19 | bidirectional |
| 18 | 18 | bidirectional |
| 17 | 17 | bidirectional |
| 16 | 16 | bidirectional |
| 15 | 15 | bidirectional |
