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STM32GO with BOOT0 on SWCLK

SSchm.5
Associate III

‎2021-03-01 01:37 AM

Hello,

I'm currently designing a prototype and due to the short list of functions I need, I felt it could be a good occasion to try STM30G0 series for evaluating power consumption.

I choose a STM32G030F ( TSSOP20) and here is what I've seen in the datasheet:

0693W000007ZjbFQAS.jpgWhen using CubeMX inside of CubeIDE, the pin 19 is chosen as a SWD_CLK. The Datasheet say that after reset, pin 19 is debug pin by default. Which is good for the programing phase.

But I'm concerned about what could happen when the debugger is disconnected. Do the BOOT0 stay pulled-down like the datasheet say or else?

After forgetting to external pulldown the BOOT0 pin in previous prototypes, I would like to know if I need to desactivate external BOOT0 in the core.

Thank you.

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