STM32 MCUs Products

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Forum Posts

Stop2Mode wake up, i2c don't work

Hi,I am using stm32l431 and work with LPTIM in stop2mode. When the mcu wake up after stop mode, i2c stop working, so I need to restart mcu.It's strange because in some cases the i2c work in the next 3 wake up, but after this dont work anymore. Should...

GFont.1 by Associate III
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Resolved! Power configuration issues

Hello everyone,I've just realized a PCB using STM32H7A3 micro. But at second step I already fell.I've my system powered up at 3.3V from an external circuit. The quality seems to be good.I've tried to program the micro using STlink through a SWD port....

MNico.2 by Associate II
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  • 1 replies
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uart interrupt repeat

Hello friendsI'm communicating with uart.finishing operations on interrupt and while going backbut does not go back to interruptmy codeswhile (1) { /* USER CODE END WHILE */   /* USER CODE BEGIN 3 */ for(int i=0; i<7; i++) { rx_buffe...

Iatik.1 by Associate
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  • 1 replies
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32F756G-EVAL2 : Demo Code provide

Dear STMicroelectronics.​Hi,I bought 32F756G-EVAL2 board.Lot code is Z0T10278E021.​Do you provide demo code?I didn't find it in the resource.​In the case of the compiled demo, it is a damaged file and contains only media file.I look forward to your r...

KCha.1 by Associate
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  • 1 replies
  • 0 kudos