STM32 MCUs Products

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Resolved! ''active write protected STM32 device detected''

Posted on February 14, 2017 at 14:07Hi, I am working on ST STM32L151VB-A, I burned a loader which already worked for me, and since then I get ''active write protected STM32 device detected'' also on other application that worked fine. when I try to ...

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How to change the clock frequency on a STM32H753ZI

Hey guys completely lost on this one. I have seen many other STM32 chipsets and in the reference manual its plain and simple how to increase it, however when it comes to this chip it doesnt list the Wait state for the CPU frequency but for the AXI pe...

CLeo.1 by Senior II
  • 2171 Views
  • 6 replies
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Resolved! f_open not working properly

Hii everyone,I'm using stm32f4 discovery board and its header board which consist sd card interface in it. I'm using cubeIDE to generate code for 1-bit mode SDIO interfacing using DMA. But the problem is at f_open instruction while debugging step by ...

Rsrma.1 by Associate III
  • 1327 Views
  • 6 replies
  • 0 kudos

STM32H7 SD CARD got HAL_SD_CARD_RECEIVING

Hi All,​I am using SD card store something log on H743 with mbed. But I encounter a problem which will poll the strange status "HAL_SD_CARD_RECEIVING".​I can initial without any issue. Also can write a shot address and read. But when I write a contin...

TLung.1 by Associate II
  • 709 Views
  • 1 replies
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STM32G474RET ADC DMA error after changing SCB->VTOR

I have added a bootloader to my code with 0x4000 size. I added SCB->VTOR = 0x8004000 before memory jump from bootloader to app code and I also added SCB->VTOR = 0x8004000 at the first line in the app code main.c . The memory jump works well. My free...

JNg by Associate II
  • 1172 Views
  • 4 replies
  • 0 kudos

Modbus TCP Libary for W5100 Shield

Hey,i want to implement a Modbus TCP IP client on my STM32L432KC board.is there a good libary you would recommend me? iam using a W5100 Ehternet shield connnected via SPI.i want to read/write holding registers on the Modbus master..thanks!

MSimo.1 by Associate II
  • 384 Views
  • 0 replies
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SPI HW NSS Incompatibility between STM32H7 and STM32F4

Hello ,I am migrating code from STM32H7 to STM32F4I face the following problems with SPI,1-Hardware output NSS pulses is activated only with HAL_SPI_Init/HAL_SPI_DeInit.2-There should be a pull up on the NSS in order to reach 3.3V and it can't work w...

HAlzo by Senior
  • 728 Views
  • 3 replies
  • 0 kudos