SWD on STM32MP135

[VANDERELST]

Hello. I am desperately trying to connect a St Link (V2 and V3) to a news card. The chip is an STM32MP135. This component is equipped with lines allowing connection via the SWD protocol. However, the STM is not recognised. How can I hope to contact the chip via SWD?
Thank you very much!

[Erwan SZYMANSKI]

Hello @VANDERELST ,
Please find the steps to begin to play with the card on the ST wiki : https://wiki.st.com/stm32mpu/wiki/STM32MP13_Discovery_kits_-_Starter_Package

Kind regards,
Erwan.

[VANDERELST]

• Hello. The problem is as follows: I can't communicate with the microprocessor via the SWD interface. The solution you suggested doesn't even cover this communication! I deduce that this JTAG/SWD port is non-functional on your products. Yours sincerely Bruno.

[Erwan SZYMANSKI]

Hello @VANDERELST ,
The thing is that I do not have the context of what you are trying on your side. JTAG/SWD is supported on Linux based project for debug, as well as for Bare metal projects. Please refer to reference manual to get more information : https://www.st.com/resource/en/reference_manual/DM00670465-.pdf (page 3493).

Kind regards,
Erwan.