STM32 MCUs Products

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STM32H755 SDMMC1 with DMA or IT

Hi,I've been trying to get the SDMM1 working on a custom board with an eMMC (ISSI 32GB).Are there any working examples from ST that verifies you have actually tested the MMC side of the HAL library to be working? @Imen DAHMEN​ I am able to get the CS...

TOlli by Senior
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STM32H743 ADC Conversion/Sampling time

Hi,I wonder if the STM32H743 can sample and convert 1 ADC sample in 10 nanoseconds?According to the specs the ADC speed (sample + convert) at 14bit resolution with 50MHz ADC clock , one sample will take 200 nanoseconds.I have no problem lowering the ...

deckhard by Associate III
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Callback take long time to trigger

MCU STM32L431, SYSCLK 80MHzThe callback takes 1.5us to fire from pin drop, and the callback functions take long time to execute as I show the imagethe pin config function/** * @brief GPIO Initialization Function * @param None * @retval None */static ...

JSanz.1 by Associate III
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Resolved! RM0440, Rev 4, STM32G4 Reference Manual - typos

Table 226 on page 906 has an entry HRTIM_TIMxCMP1CR <- I don't think this is a real register.Section 27.3.8, page 888 second line in last paragraph says "any of the 5 timers". I think that should be 6 timers.Section 27.5.66, page 1050 says Bits 31:0 ...