STM32 MCUs Products

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Resolved! STM32U575 and DCMI connections(Camera)

Hi all,I'm trying to connect between STM32U575ZITxQ to DCMI connections.I found every single port in ST to the camera except "DCMI_MCLK"(external clk).I looked at the DataSheet and Reference manual but I didn't see any information about the camera's ...

NoaTech by Associate II
  • 4169 Views
  • 4 replies
  • 1 kudos

Resolved! Problem with stm32l4 tim16

I have use stm32l412cbt6 PB9 to input function and i can get the input data,then i configure PB9 to alternate function GPIO_AF14_TIM16 and i can not get the input data.Under the same configuration,PA3 alternate function GPIO_AF1_TIM2 can get the inp...

Rsu.1 by Associate II
  • 2636 Views
  • 11 replies
  • 2 kudos

Resolved! STM32H743: Backup RAM not saved

I'm trying to use the 4K backup RAM on the STM32H743. The RTC is working and keeps time so I know the battery system is OK. I can read and write to the backup RAM OK but it loses all data on power off.I've enabled access as follows:HAL_PWREx_EnableBk...

PMath.4 by Senior III
  • 7708 Views
  • 12 replies
  • 4 kudos

Question with editing linker file (variable stored in flash)

Hello! I was trying to set aside a section in flash for a variable (I do have a reason to be doing so but, for the time being, I'm in the learning process to make sure I understand how it works before I do anything (too) stupid).Anyway, my chip was t...

JayDev by Senior II
  • 2173 Views
  • 3 replies
  • 0 kudos

Resolved! L412 documentation error.

I think I found a documentation error in the L412 datasheet. The Quadspi is documented to support two banks in the QUADSPI module description, but I can only find the pins for BK1, which I assume is the first bank. My guess is that the QUADSPI module...

STM32F407 Ref Manual Bus Matrix - Typo?

Histudying the DMA of the STM32F407 MCU, I came across Figure 1: System architecture.It says DMA_PI for GP_DMA1 but DMA_P2 for GP_DMA2.I reckon that DMA_PI is a simple typo and should be called DMA_P1 and stands for the DMA peripheral bus.Would you a...

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AAnth.1 by Senior
  • 934 Views
  • 3 replies
  • 1 kudos

Resolved! Hardfault randomly when I do sprintf

Hello everyone,I'm developing a firmware for an STM32F767 and I have a problem that happens randomly and I can't figure out why. From what I could analyze looking at the stack I think the problem comes when doing a sprintf and I have the hypothesis t...

Nickjmas by Associate III
  • 5323 Views
  • 10 replies
  • 2 kudos