No BSDL Files for STM32H7RS

[Uwe Bonnes]

The BSDL files for STM32H7RS do not contain files for STM32H7RS.

Is the JTAG command length the same for STM32H7RS as for other STM32?

[CMYL]

Hi @Uwe Bonnes 

JTAG debug port is described in the RM0477 section 66.4.2. The JTAG-DP implements a TAP state machine (TAPSM) based on IEEE 1149.1-1990. The Debug register set is the same as other STM32H7 series.

Can you clarify what is it means JTAG command length? those that should be used with third party tools ?

I need more detailed questions to share with internal teams :)

Best regards

[Uwe Bonnes]

With command length, I meant "IR length" for the STM32 IO Scan chain. The program I use uses IR length = 5, as it did successfully for other STM devices.  I suspected a change in the IR length, but now other setups do not work neither.

But anyways, the BSDL file is missing from en.stm32h7_bsdl.zip

[CMYL]

Hi @Uwe Bonnes 

Ticket 180905 is submitted to answer the question and request BSDL.

This is an internal ticket that is not useful for you. I just added it for further tracking.

Best Regards,

Younes 

[CMYL · Accepted solution]

hi @Uwe Bonnes 

This is the first feedback from team:

All STM32s have a 9 bits IRSCAN length, chaining a test TAP (5 bits) and the cortex TAP (4 bits).

Which are the STM32 devices mentioned with a 5 bits (only) IRSCAN length ? can you double check if there are 4-bits handled in some code place into your program ?

BSDL is still ongoing, I asked for the ETA.

Best Regards