STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


STM32H743XI silicon Y - DBGMCU dead ?

Curious if anyone else encountered this: I work on a design using STM32H743XI silicon Y and DBGMCU seems to be completely dead. Reading any register returns 0 (so no REV_ID/DEV_ID). Writing to get 'timer freeze on debug' does not work either and read...

Dan4 by Associate II
  • 22 replies
  • 0 kudos


We are testing the latest STM32H562RGT device on our application. I am running an eight-channel ADC (on ADC1) with DMA support. All eight channels gets populated with the correct ADC values, however, the DMA InitLinkList State stays on BUSY and thus ...

LeRoux by Associate
  • 0 replies
  • 0 kudos

STM32F4 discovery board not sending CAN messages.

Hi there, I'm new to ST development and am currently trying to setup a CAN connection between two STM32F4 discovery board. However, using an oscilloscope I can see that no messages are being send. Can anyone help me out finding what the problem is?At...

Rde K.1 by Associate III
  • 5 replies
  • 1 kudos

Resolved! STM32 I2C missing/short clock pulses

Hi, I'm developing a product using the STM32G030C8T6. I set the I2C using the STM32CubeMX (settings attached) and used the functions supplied by the LL library. The I2C is set as Master and I only have one Master and one Slave on the bus. I manage to...

DDeba.1 by Associate III
  • 19 replies
  • 3 kudos

Resolved! Using DAC of NUCLEO-H503RB

I am trying to use the DAC feature of Nucleo-H503.Pinned the cube MX and wrote the code.However, the program does not work after entering the MX_DAC1_Init() function, created by Cube MX.I checked in debug mode and found an error in the syntax below./...

sh.lee by Associate II
  • 1 replies
  • 2 kudos

Resolved! stm32f407vgt6 problem with UART

I have stm32f407vgt6 from devebox. At first, I wanted to do led blink and it worked fine when I supplied it with external power via 5V pins. Then, when I tried to use UART pin (PA_9, PA_10) to print something to USB to TTL module, it did nothing. UAR...

syifnrl by Associate II
  • 4 replies
  • 1 kudos

Resolved! STM32U575Zi Errors on GPIO Configuration

Greetings,I'm struggling to get GPIO configuration to work without hitting the HardFault_Handler.  If I configure a single GPIO, like this:__HAL_RCC_GPIOB_CLK_ENABLE();GPIO_InitStruct.Pin = GPIO_PIN_7;GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;GPIO_I...

RickH by Associate
  • 1 replies
  • 0 kudos