For debuggers and/or programmers that support the Cortex Debug Connector (10-pin) interface the signals should be connected as shown in the figure below with details described in the next table.
Figure 1. Cortex Debug Connector
(10-pin)
| Header Signal Name | Description | Recommended Pin Connection |
|---|---|---|
| SWDCLK | Serial wire clock pin | Pull-up resistor 1kΩ |
| SWDIO | Serial wire bidirectional data pin | |
| RESET |
Target device reset pin, active low Refer to External Reset Circuit. |
|
| VTref | Target voltage sense, should be connected to the device VDD | |
| GND | Ground |