The voltage on the external board must match that of the Development Kit (DK).
| Pin number | Signal | Description |
|---|---|---|
| 1 | SWD0_SELECT | Voltage supply from the external target, used as voltage detect input to the interface MCU |
| 2 | SWD0_SWDIO | Serial Wire Debug (SWD) data line |
| 3 | GND | Ground |
| 4 | SWD0_SWDCLK | SWD clock line |
| 5 | GND | Ground |
| 6 | SWD0_SWO | Serial Wire Output (SWO) line |
| 7 | N.C. | Not used |
| 8 | N.C. | Not used |
| 9 | N.C. | Not used |
| 10 | SWD0_RESET | Reset |
| Pin number | Signal | Description |
|---|---|---|
| 1 | N.C. | Not used |
| 2 | VDD | Used for VDD voltage |
| 3 | SWD1_SELECT | Voltage supply from the external target, used as voltage detect input to the interface MCU |
| 4 | SWD1_SWDIO | Serial Wire Debug (SWD) data line |
| 5 | SWD1_SWDCLK | SWD clock line |
| 6 | SWD1_SWO | Serial Wire Output (SWO) line |
| 7 | SWD1_RESET | Reset line |
| 8 | N.C. | Not used |
| 9 | VIN3-5V | Voltage supply |
| 9 | VDD_HV | Used for current measurement |
| 10 | VDD_HV’ | Used for current measurement |
| 12 | VIO_REF | GPIO voltage reference input |
| 13 | ID | Board ID resistor |