STM32 MCUs Products

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STM32H735-DK LWIP pbuf assertion issues

I've been struggling with a variety of issues with FreeRTOS/LWIP/DHCP/MDNS, before I've even got to implement my application code (which will be a UDP app). I've read all of the documents that have been linked in the forums, I've gone through the off...

i2pi by Associate II
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  • 2 replies
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STM32G474, USB, and CRS not working in concert

Greetings,We have implemented a USB peripheral on the STM32G474RE discovery board using code that runs properly on the STM32WB and STM32F0 parts.  On the G474, the USB setup completes, but the USB bus quickly suspends after the completion of the conf...

STM32H563ZIT6 SPI 16 bit with GPDMA linked list

Hello,Trying to implement SPI bus (Master only) to transmit 16 bit to LCD, utilize linked list GPDMA ch 6, I looked at the UART linked list example and tried to modify it to work with SPI with no success, only the first half word is sent and then it ...

Oyulz.1 by Associate II
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  • 3 replies
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USB field programming

Hi,   I want to start using the STM32U073KCU6 MCU in an upcoming product but don't have a ton of familiarity with STM MCUs. My attraction to the device is based around the integrated USB functionality and I am trying to figure out if it can be field ...

teva by Associate II
  • 359 Views
  • 4 replies
  • 2 kudos

Watchdog doesn't fire while hanging in I2C

Hi,I have a situation where the configured watchdog on my STM32L031 does not trigger even though the MCU gets stuck in an I2C function. In my program flow, I first run through some initializations (as well as I2C_Init()) and then start the IWDG (Star...

I2C Transmission.png Start IWDG.png I2C Init.png
Brigei by Associate III
  • 611 Views
  • 12 replies
  • 4 kudos

STM32H735 Wake Up pull configuration STANDBY mode

I am configuring wakeup pin PA0 to WAKEUP1 by wirting 01 (pull-up) at WKUPPUPD (PWR_KUPEPR) as said at RefManual by using "HAL_PWREx_EnableWakeUpPin ".   PWREx_WakeupPinTypeDef sPinParams; sPinParams.PinPolarity = PWR_PIN_POLARITY_LOW; sPinParams.P...

amartin by Associate II
  • 303 Views
  • 3 replies
  • 0 kudos