STM32 MCUs Products

Resolved! STM32 SDIO 1 bit + DMA double writes (also 4 bit isn't working)

Hi all!I'm trying to configure SDIO in several modes:1 bit1 bit + DMA4 bit4 bit + DMAOnly 1 bit is working for now. When I enable DMA in 1 bit it double writes things into my files. 4 bit mode on the other hand mostly gives me error " FR_DISK_ERR" af...

Resolved! Hi, I have problems starting the program after a power reset. The program does not always start this way. Running through debag increases the startup percentage, but does not make it 100%. How can I fix it?

Resolved! How to check external watched dog IC when toggling MCU oscillator?

Hi There,I am working with a MCU STM32F405VET for any particular purpose. Lets a at this time firmware code has burn on MCU. Lets talk about HW issue.Take a look the datasheet here https://www.qdatasheet.com/datasheet-download/190671/1/ST-Microelectr...

Resolved! Modify the link file to locate the stack/heap into DTCM area

Hello,Someone have a document that give explications/informations on how modify the link file ?I must optimize ma code performance and I would realocate the stack/heap, the time critical functions, into the TCM area.I know the way to locate variable...

Resolved! QSPI Flash Read Limit STM32F769I_EVAL

I'm currently playing around with the QSPI_ReadWrite_DMA example on an STM32F769I_EVAL board.Link to example:https://github.com/STMicroelectronics/STM32CubeF7/tree/master/Projects/STM32F769I_EVAL/Examples/QSPI/QSPI_ReadWrite_DMA.I'm testing the QSPI ...

Resolved! Floating Point instructions (assembly) do nothing

Hi All,I cannot figure out why the series of instructions below is not working for me (device is a STM32F303x6).This is just me fiddling around getting to know the CPU, I have this setting so the FP opcodes are accepted by the compiler, and it seems ...

Resolved! In CAN_ERR what is "Stuff Error" and what is "Form Error"?

I have a can bus operating between a PC and a Motor, where the PC can control the motor. Eventually I want the STM32 to control the motor. For now all I want to do is read what is on the bus. Looking at thedata with a CAN bus sniffer it looks like th...