STM32 MCUs Products

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Resolved! STM32F767 SDMMC no DMA callback

Hi AllI want write on the SDMMC using HAL_SD_WriteBlocks_DMA system call. The function itself works, the sector on the SD is written, but no callback function (HAL_SD_TxCpltCallback) is called.Did someone experienced such trouble ?Thanks  

axinno by Associate II
  • 1114 Views
  • 3 replies
  • 1 kudos

Resolved! How many devices can be connected on SPI bus

Hi,I would like to know what is max number of SPI slaves I can connect to a single SPI bus of STM32F779? I understand that using the chip select pin I can select respective slaves to operate. But is ther eany recommendation from ST that ideally , I s...

SRoy by Associate II
  • 15711 Views
  • 2 replies
  • 0 kudos

How to run UART on STM32H755 with speed above 1M baud rate

Hello Experts,I am having problem with uart on stm32h755, nucleo kit.I use uart1 and uart2 to communicate with each other using DMA.When I set the baud rate above 1M baud rate it doesn't work. Below is the clock configuration.And here is the UART con...

Screenshot 2024-01-20 224149.png Screenshot 2024-01-20 224511.png Screenshot 2024-01-20 224436.png
Ruồi by Associate III
  • 2442 Views
  • 5 replies
  • 5 kudos

Remapping SPI pin

Hi i m using STM32H750XBH and i would like to remap SPI pin to the following pin out, i m using SPI3 full duplex master, HW NSS output, could anyone advise is this is feasible? Or i need to following the pin out from the standard H750 ioc pin arrange...

Resolved! Downloaded STM32H7A3 program runs but doesn't stay flashed

I'm bringing up a new board using a STM32H7A3. I've developed, downloaded, debugged and run lots of test programs from the VisualGDB IDE.  Now I'm working on the main application. I can still develop, download, debug and run from VisualGDB but when I...

magene by Senior II
  • 2817 Views
  • 9 replies
  • 7 kudos

how do I get the '.ld' link file for Flash

I have a question, how do I get the '.ld' link file for Flash, compared to the cmsis_device_f1 library cmsis_device_f4/Source/Templates/gcc/ directory that doesn't contain a `linker/` folder.

zhbi98 by Associate II
  • 3649 Views
  • 5 replies
  • 0 kudos

Resolved! Question about DMA usage from STM32F0x1 reference manual

Hi friends from community. I have a question about the paragraph about DMA section from STM32F0x1 reference manual page 200, as showed below:I don't know how to understand the red highlight part of above picture,why there says <these ‘memory’ registe...

hexiaole_0-1706116066678.png
hexiaole by Associate II
  • 1371 Views
  • 3 replies
  • 5 kudos