| 1 | Configurable I/O functionality | TTL | 1 | | 26 | Configurable I/O functionality | TTL | 2 |
| 2 | Configurable I/O functionality | TTL | 27 | Configurable I/O functionality | TTL |
| 3 | Configurable I/O functionality | TTL | 28 | Configurable I/O functionality | TTL |
| 4 | Configurable I/O functionality | TTL | 29 | Configurable I/O functionality | TTL |
| 5 | Configurable I/O functionality | TTL | 30 | Configurable I/O functionality | TTL |
| 6 | Configurable I/O functionality | TTL | 31 | Configurable I/O functionality | TTL |
| 7 | Configurable I/O functionality | TTL | 32 | Configurable I/O functionality | TTL |
| 8 | Configurable I/O functionality | TTL | 33 | Configurable I/O functionality | TTL |
| 9 | Configurable I/O functionality | TTL | 34 | Configurable I/O functionality | TTL | 3 |
| 10 | Configurable I/O functionality | TTL | 35 | Configurable I/O functionality | TTL |
| 11 | Configurable I/O functionality | TTL | 36 | Configurable I/O functionality | TTL |
| 12 | Configurable I/O functionality | TTL | 37 | Configurable I/O functionality | TTL |
| 13 | Configurable I/O functionality | TTL | 38 | Configurable I/O functionality | TTL |
| 14 | Configurable I/O functionality | TTL | 39 | Configurable I/O functionality | TTL |
| 15 | Configurable I/O functionality | TTL | 40 | Configurable I/O functionality | TTL |
| 16 | Configurable I/O functionality | TTL | 41 | Configurable I/O functionality | TTL |
| 17 | Configurable I/O functionality | TTL | 2 | 42 | Configurable I/O functionality | TTL |
| 18 | Configurable I/O functionality | TTL | 43 | Configurable I/O functionality | TTL |
| 19 | Configurable I/O functionality | TTL | 44 | Configurable I/O functionality | TTL |
| 20 | Configurable I/O functionality | TTL | 45 | Configurable I/O functionality | TTL |
| 21 | Configurable I/O functionality | TTL | 46 | Configurable I/O functionality | TTL |
| 22 | Configurable I/O functionality | TTL | 47 | Configurable I/O functionality | TTL |
| 23 | Configurable I/O functionality | TTL | 48 | Configurable I/O functionality | TTL |
| 24 | Configurable I/O functionality | TTL | 49 | Configurable I/O functionality | TTL |
| 25 | Ground | 50 | Ground |