Good afternoon,

I'm trying to use the SWO - Printf functionality with a JLINK EDU and the STM32H735VGT MCU, but I don't know what's missing to make it work.

I think it is something related to the configuration, because I have used the same board and MCU with a STLINK2, and the SWO + printf works correctly.

Attached is a screenshot of the STLINK2 and JLINK configuration in the IDE.

IDE: Keil MDK 5.36
JLINK EDU FW: J-Link V10 compiled Nov 2 2021 12:14:50
DLL: V7.62



Thanks for your time.

Good afternoon,


I am not using a EVK, its a my own design.
where i can check how models of H7 you can support this functionability?


if you can not add this function by software update, i understand that you can do by a hardware update not?
I question it because i planned to buy a professional segger tool


Thanks for you time and help