NUCLEO-F070RB
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How to use an external debug probe with Nucleo board
Some ST Nucleo boards can be connected to an external debug probe like J-Link. To do this check the schematics to see if the debug signals are routed to the Extension Connectors. These can then be connected with e.g. jumper wires to the J-Link debug interface.
In case of the NUCLEO-F070RB the wiring is as follows:
| Nucleo Pin (Connector/Pin) | J-Link debug signal (Pin) |
|---|---|
| GND (CN7_8) | GND (4) |
| +3V3 (CN7_16) | VTref (1) |
| PA13 (CN7_13) | SWDIO (7) |
| PA14 (CN7_15) | SWCLK (9) |
| RESET (CN7_14) | RESET (15) |
To make sure the on board ST-Link does not interfere with your probe additionally disconnect the two jumpers on CN2.