Does ST-LINK Utility support multiple devices on JTAG chain?

timkutscha9 · ‎2015-01-07

Posted on January 07, 2015 at 23:54

I have a system with multiple STM32F407 MCUs. The JTAG signals are daisy-chained together into one long chain.

Can I use the ST-LINK Utility to flash firmware into a specific device on the JTAG chain? I looked through the user manual but did not find any settings to select which device on the JTAG chain to program.

I'm able to do this with a different hardware pod (J-Link from Segger), but I was hoping to use the ST-LINK/V2 pod since it costs 90% less.

Thanks for your time!

Tim

#st-link #jtag

S C · ‎2015-01-12

Posted on January 12, 2015 at 14:34

Hello,

No, the ST-Link/V2 does not support JTAG daisy chain. You must use another tool in this case.

Best regards