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Does STlink support AD V2multi-drop SWD?

Uwe Bonnes
Principal III

All STM32 CortexM7 and M33 have a ADI V2 debug unit. ADI V2 requires Multi-drop support, so that several SWD devices can be connected to SWD in parallel. Only with an activation sequence including the target-ID of that device to use selects the device for debuging.

Do Stlink debuggers support multi-drop?

1 ACCEPTED SOLUTION

Accepted Solutions
Imen.D
ST Employee

Hello @Uwe Bonnes​ ,

Currently, the ST-Link does not support SWD multi-drop.

I escalated this request internally to the ST-Link team for review.

I will give you an update as soon as there is a plan to make this feature available.

Imen

When your question is answered, please close this topic by clicking "Accept as Solution".
Thanks
Imen

View solution in original post

2 REPLIES 2
Imen.D
ST Employee

Hello @Uwe Bonnes​ ,

Currently, the ST-Link does not support SWD multi-drop.

I escalated this request internally to the ST-Link team for review.

I will give you an update as soon as there is a plan to make this feature available.

Imen

When your question is answered, please close this topic by clicking "Accept as Solution".
Thanks
Imen

@Imen.D: Any news on that subject?