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STM32F205RG RTC Problem.

Greetings,I have connected external crystal of 32.768 KHz to STM32F205RG for RTC time keeping purpose. I have also enabled RTC output on pin PC13. Below is my code for RTC Initialization ...int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE E...

STM32H7 SAI TDM output

Hello,I am considering the STM32H7 for a new project I'm working on.I'd like to configure the MCU to output 10 audio channels at 96khz using TDM, all synchronized. Some variants of the STM32H7 come with up to 4x SAI peripherals and support TDM.I'd li...

messna by Associate
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STM32 internal oscillator drift over time

I designed a board using a STM32L031F6P6 about 4 years ago,  (April 2021).   The design has been using the internal oscillator running at 16Mhz perfectly for years.   Then this past summer all of a sudden the RS232 Uart stopped receiving data until I...

npreiser by Associate II
  • 524 Views
  • 7 replies
  • 2 kudos

SSI and Circular DMA

Hello!I am writing a driver for the mt6701ct rotary magnetic encoder, using cubeIDE and an stm32f405 MCU. This sensor communicates via SSI, which is to say that it's read-only (MISO-only; there is no physical connection to MOSI). Using a simple polli...

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sb_st by Associate III
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  • 6 replies
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Resolved! PWM no signal on TIM2 Channel1 and TIM3 Channel 1

I want to generate 6 PWMs using channel 1 of timers 1,8,2,3,4,5. All of them are set the same way except ARR, PSC and CCR1 registers. However, it turned out that timers 2 and 3 don't have PWM signal on their pins. The content of registers for those t...

Dan_Ko by Associate II
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  • 5 replies
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ADC conversion using End of Conversion Selection?

Good evening....I would like to do an A/D conversion on Channel 9 and Channel 10. I have a timer that goes off every second and within this ISR I call HAL_ADC_Start_IT. The ISR gets called upon conversion complete. Now the question is End of Conve...

SWenn.1 by Senior III
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  • 4 replies
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Resolved! FDCAN ROM bootloader pins for stm32H743ZI

As discussed in here, im trying to use ST\s ROM bootloader, when i read AN2606 Page 280 shows the FDCAN1 rx and tx Pins   Those pins dont exist in stm32H743ZI@KDJEM.1 proposed "you can activate the FDCAN bootloader with only by PH13/PH14 pins." What ...

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Javier1 by Principal
  • 533 Views
  • 5 replies
  • 5 kudos