J-LINK
⚠️ Todo: This page needs some editing. Used for ARM processors.
Pinout (20 pin)

20 PIN IDC MALE at the CPU.

20 PIN IDC FEMALE at the cable/programmer.
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | VTref | ─ | |
| 2 | Vsupply | ─ | |
| 3 | n/c | - | Not connected |
| 4 | GND | ─ | Ground |
| 5 | n/c | - | Not connected |
| 6 | GND | ─ | Ground |
| 7 | n/c | - | Not connected |
| 8 | GND | ─ | Ground |
| 9 | n/c | - | Not connected |
| 10 | GND | ─ | Ground |
| 11 | RTCK | ─ | |
| 12 | J-LINK | ─ | J-LINK |
| 13 | TDO | ─ | Test Data Output |
| 14 | GND | ─ | Ground |
| 15 | nSRST | ─ | |
| 16 | GND | ─ | Ground |
| 17 | DBGRQ | ─ | |
| 18 | GND | ─ | Ground |
| 19 | DBGACK | ─ | |
| 20 | GND | ─ | Ground |