STM32 MCUs products

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DS18B20 Match Rom command fail

Hi. I'm using STM32F030C8T6 MCU to communicate with multiple DS18B20. I'm using Timers to make 1us delay. I set my prescaler to 48-1. and I'm running on 48MHz clock. when i connect two sensors to my MCU, i can't read temperature, so for testing i dis...

MNoro.2 by Associate II
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typo/unclear in stm32f411's datasheet

Hi community,after searching quite a long time for a bug on my board I found it. It was due to an unclear phrasing of the stm32f411's datasheet in table8/p39: for the QFP64 package pin 13 is not only vref but also VDDA.It would be much clearer to wri...

ak_0-1699954572430.png
ak by Associate
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  • 3 replies
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Resolved! stm32c011 in-application option byte programming

Good morning,I'm trying to program the user option bytes of the STM32C011 using the HAL. The objective of the test is to toggle the BOR bit.  static HAL_StatusTypeDef testOptionBytes() { FLASH_OBProgramInitTypeDef obInit = {0}; FLASH_OBProgra...

AndreasS by Associate
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Vrefint and Vts very noisy with SAI active on G4

We are using an STM32G491 with TDM audio output active on SAI. When activating the 4 MHz bit-clock on SAI1_SCK_A, Vref and temperature measurement become very noisy, while externally connected ADC inputs are not affected.See attached graph for differ...

STM32H5 high-cycle data read more than 16bit at once

Hi,I'm using STM32H563 and managed to set FLASH_EDATA1R_CUR as needed (EDATA1_EN="1", EDATA1_STRT="111"). Then I tried to read 64-Bit at once from Address 0x09000000. Unfortunately I get a hard fault. Is it intended to read more than 16 bit from the ...

STM32H743ZI adc + bdma no callbacks

Hello every body, It is my first post and I´m newvy with this tecnology. I'm trying to read from adc 1, 2 and 3 values from the DMA (in case of use adc 1 and 2) and the BDMA (case adc3). In the two first cases, the interrupts are generated correctly ...

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