10-pin IDC flat ribbon connectors at 2.54mm pitch used for JTAG debug headers and small ribbon cables. Pin 1 marked by red stripe on ribbon.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Pin 1 | Signal red stripe side | I/O |
| 2 | Pin 2 | Signal | I/O |
| 3 | Pin 3 | Signal | I/O |
| 4 | Pin 4 | Signal | I/O |
| 5 | Pin 5 | Signal | I/O |
| 6 | GND | Ground | GND |
| 7 | Pin 7 | Signal | I/O |
| 8 | Pin 8 | Signal | I/O |
| 9 | Pin 9 | Signal | I/O |
| 10 | GND | Ground | GND |