Using the Nucleo-U083RC ST-LINK for others MCU

[LaurC]

Hi,
I need an ST-Link to debug external STM32U0 devices, specifically to modify option bytes and use RDP regression with OEM keys via STM32CubeProgrammer, and I was wondering if the JP6-11 pins on the Nucleo-U083RC could be connected to another MCU to use it as an ST-Link.

 

Thanks in advance

 

[mfgkw]

Hi,

 

this is not possible.

The internal ST-Link of your board can only be used for the board MCU (or disconnected to use another debugger).

 

Only the ST-Link v2 found on older NUCLEO boards (with breakable PCB) can be used for other MCUs.

You will have to get an external ST-Link - which is affordable, but take care not to get one of many clones.

[LaurC]

Ok, thank you for your reply.