STM32 MCUs Products

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Forum Posts

Retrieving multiple SPI packets from DMA

Hi guys I have set up my STM32 as an SPI full duplex slave device. All SPI communication happens through DMA. The Master device is a Beaglebone Black communicating over linux spidev driver. The problem I am facing now is if the master sends multiple ...

SDas.1 by Associate II
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  • 4 replies
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Cannot get printf via USART to work on STM32H745

Hello!As the title says, I haven't managed to get the printf function to work on my STM32H7 MCU. I am using the Nucleo-H745ZI-Q with STM32Cube MX and Keil. Here is the code I'm using:#include "stdio.h"   /* USER CODE BEGIN 0 */ #ifdef __GNUC__ #defin...

AnaJade by Associate II
  • 2179 Views
  • 7 replies
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How Is "system_stm32xxxx.c" File Included?

I'm having a brain fart and can't figure this out. I'm porting an existing project from the STM32F205 series to the STM32L496 series. So I replaced "system_stmf2xx.c" with "system_stml4xx.c" in my project workspace, but my compiler (IAR) isn't pickin...

jvavra by Associate III
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  • 6 replies
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STM32H745 FMC acces to external NOR with timing from RM0399 does not work (works only with burst, but not non-burst)

Hallo,I'm using a STM32H745, that shall access an external NOR flash with the timing recommended by ST at the reference manual RM0399 on page 875.  I did exactly reproduce this timing setting, but no access will be generated on the FMC pins.When I ch...

0693W00000Dq5mGQAR.jpg 0693W00000Dq5nEQAR.jpg
dze.1 by Associate II
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  • 3 replies
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Very strange byte write on external 16 bits SDRAM

Hello, I need help with my external SDRAM I try lot of thing like use discovery board (STM32F769i) with a SDRAM on 32 bits and when I try 16 bits or 8 bits all is ok work like a charm.My custom board have a STM32F779 with 16 bits ram.My issue is that...

JMD by Associate III
  • 554 Views
  • 2 replies
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STM32L412 - WLCSP64 IC - USB configuration

Hi All,Iam using this STM32L412 MCU based WIFI module (Murata's Type 1LD module) in my project. Currently powering it with 1.8VDC for the operation and my other peripheral are 1.8V logic also it is battery operated project . Here im not able to brin...

BR.3 by Associate
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  • 3 replies
  • 0 kudos