STM32 MCUs Products

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Problem with USB OTG FS (Device)

Hey everyone!Some context:We are developing a medical device using STM32H7ZIT6 MCU. We succesfully developed a working prototype, using UART connection protocol.  Couple of consistency problems (i.e. the device works flawlessly at times, sometimes we...

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CAdat.1 by Associate II
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  • 2 replies
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Resolved! Jump to application from bootloader not working

I have reviewed the many posts from others that have not been able to jump from a bootloader the application code and nothing that I tried worked.My MCU has its 128kB of flash in two banks, one at 0x08000000 and the other at 0x08040000.  When the MCU...

Usage of both SDIO interface at the same time in STM32H747

Hi, I observed a limitation in the STM32H7 reference manual saying that "The current version of the SDMMC supports only one SD/SDIO/e•MMC card at any onetime and a stack of e•MMC."So my application requires to control two SDIO slaves from both SDIO i...

Rekhas19 by Associate
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  • 4 replies
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stm32f103rct6 iwdg cann't be initialed success

I want to use IWDG with stm32f103rct6 chip with ll library. such samples code as below:```static int iwdg_init (unsigned short int expired_ms){/* 开启 LSI, IWDG */ __HAL_RCC_LSI_ENABLE(); LL_RCC_LSI_Enable(); while (!LL_RCC_LSI_IsReady()); LL_IWDG_Enab...

NUCLEO-STM32F401RE SPI able to Write to a MAX31856 but cannot echo back register values with HAL_SPI_TransmitReceive()

Hi everyone,I am using the NUCLEO STM32-F401RE V dev board and trying to communicate with an MAX31856 temperature amplifier. I am using SPI2 peripheral. I am able to write values on the SPI line. I have printed them out to the UART and have verified ...

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RPisa.1 by Associate
  • 1836 Views
  • 1 replies
  • 1 kudos

Resolved! Problem with STM32411 Chip

HI there,  I have rewitten this simple piece of code from scratch multiple times with no success. I am just attempting to turn on a set of LEDs.  First in the While Loop. Second in the interupt handler for TIM2.  The chip is a STM32F411CCU in a homes...

SpeedyPLH by Associate II
  • 5463 Views
  • 7 replies
  • 4 kudos

Resolved! One bit shift in SPI communication on STM32G4

Hi,I am working on SPI communication between STM32G491 and ATM90E26. and I am using the SPI polling API with HAL_SPI_Transmit and HAL_SPI_Receive.My System clock is 96Mhz and I am using prescaler of 64 for SPI.CLKPolarity=Low,CLKPhase=1Edge.Communica...

ESD protection GPIOs pins

I need to assign  8 GPIOs (4 I/p + 4 o/p) for membrane keypad pushbutton circuit. I am worried about ESD protection of GPIOs. Please suggest  STM parts for ESD protection best suited for use purpose.Kindly let know if I can select any  pins or there ...

Nico3 by Senior
  • 1949 Views
  • 3 replies
  • 0 kudos