STM32U5A5QJI6Q - Which Pins to Use for Programming ?

[Sakthi_IND]

Hi,

I am working with the STM32U5A5QJI6Q microcontroller and need guidance on the programming pins. I plan to program it using [SWD/JTAG (choose one)] with an external programmer like ST-Link.

Could someone confirm:

1. Which pins are used for programming via [SWD/JTAG]?
2. Are there any specific configurations or settings I need to enable in the hardware or firmware for successful programming?
3. If using the internal bootloader, what are the required connections (e.g., UART or USB pins)?

I am currently working on a project that incorporates the STM32U5A5QJI6Q microcontroller, and I would like to request the official reference design or any relevant design resources for this specific part. Having access to a detailed reference design would greatly assist in ensuring an optimal hardware implementation.

Any reference to the datasheet or specific examples would be greatly appreciated.

Thank you!

Sathiya

[Tesla DeLorean]

For SWD, minimally PA13/PA14, read the Data Sheet

For System Loader options, review Application Note AN2606

For a Schematic, go to the "CAD Resources" tab for NUCLEO, DISCO, or EVAL boards

[Sakthi_IND]

Hi send me the link For a Schematic, go to the "CAD Resources" tab for NUCLEO, DISCO, or EVAL boards.

[Tesla DeLorean]

https://www.st.com/en/evaluation-tools/nucleo-u5a5zj-q.html

https://www.st.com/en/evaluation-tools/nucleo-u5a5zj-q.html#cad-resources

https://www.st.com/en/evaluation-tools/stm32u575i-ev.html

https://www.st.com/en/evaluation-tools/stm32u575i-ev.html#cad-resources

https://www.st.com/en/evaluation-tools/stm32u5a9j-dk.html

https://www.st.com/en/evaluation-tools/stm32u5a9j-dk.html#cad-resources

 

[TDK]

All answers and more can be found here:

Getting started with STM32U5 MCU hardware development - Application note