STM32 MCUs Products

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Resolved! STM32H755 CM7 Reset_Handler Stuck at 'ldr sp, =_estack'

Hello everyone,I am currently working on a project using the STM32H755 microcontroller, and I am facing an issue with the program getting stuck in the `Reset_Handler` during debugging. Specifically, the code halts at the instruction `ldr sp, =_estack...

durna by Associate III
  • 374 Views
  • 10 replies
  • 0 kudos

Resolved! STM32U599 OC Tim DMA failed start or do some toggle

We try generate signal defined by toggle table , but command do nothink. (except ARR toggles) if (HAL_TIM_OC_Start_DMA(&htim2, TIM_CHANNEL_4, &tim_values[0], idx) != HAL_OK) { Error_Handler(); }have 1.7.0 U5 firmware some known issue ? O...

MM..1 by Chief III
  • 129 Views
  • 4 replies
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STM32U5 Serial Bootloader AN3155 Discrepancy

In looking at AN3155, USART protocol used in the STM32 bootloader, the following diagram describes the MCU's write protect command sequence from the device side:There is a comment at the bottom which indicates that only certain F and L series chips p...

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dsurrett by Associate II
  • 117 Views
  • 1 replies
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MCU Boot Issue - STM32L0

We are using the STM32L071KZU6 in one of our designs and are facing an issue with bootloader communication over I2C. Specifically, some boards fail to enter the bootloader or respond on the I2C bus, while others function normally. Below are the detai...

Resolved! STM32H7 FMC and 16bits device

Hello,I'm kind of newbie in the STM32 world, I'm more used with another brand of 32bits microcontroller that also have a "parrallel port" for interfacing external ram device.My concern is about the FMC on the STM32H7.I want to read/write a 16bits dev...

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Alex_J by Associate II
  • 496 Views
  • 11 replies
  • 2 kudos