STM32 MCUs Products

Hi, I'm having issue with external clock of STM32F769NI. When I run the code, it's getting stuck on HSERDY register. I added the schematic.

SPI DMA fails (only) with ICache enabled, why?

I have a project which uses SPI DMA, and the SPI DMA appears to fail when I enable the instruction cache (ICache! not DCache), but otherwise appears to work perfectly fine. I do observe this for both a F722ZE and G491RE.I'm working on this since 3 we...

STM32L4R5 not always booting after nRST

We are seeing an issue with the STM32L4R5ZI that does not boot 100% of the time if nRST is asserted after powering up (i.e., pressing and releasing reset button). We have seen this issue with the Nucleo board and with two different boards we made our...

Chain two timers

hi friends, I try chain of 2 timers on STM32L053. From 2 16 bit timers I would like to create one 32bit timer.My init is here.void CLOCK__TIM21_Init(uint16_t Prescaler) {   //initialize tim21 as master //enable clock to tim21 LL_APB2_GRP1...

Is FT5426 similar to Ft5336

HI, I am using a custom board where i need to devlop a touch driver. I am using FT5426.I have the complete code of fT5336 as it was used in STM32f746-disco board.can i just by changing the register AND CONFIGURING the i2c pins accordingly.make the to...

RTC alarm interrupt not being generated on my stm32h745I Disc board

I have followed examples provided but not able to generate interrupt for alarm. I just need a simple alarm interrupt to toggle the LED. Is there something i am doing wrong here:int main(void)   {   /* USER CODE BEGIN 1 */     /* USER CODE END 1 *...