STM32 MCUs Products

f_mount() is returning FR_NOT_READY.I am not able to proceed. Using f401re board and sd module to develop a code on to read and write on sd card using spi .

Calibration issue on STM32H750 - DIV256 versus DIV1

The calibration at a DIV256 works most of the time but some MCU must be calibrated with a DIV1 otherwhise I get an offset of zero. We use VREFBUFF as reference. We try to swap an MCU with good result (DIV256 worked). One MCU calibrated but with error...

Hardfault in STM32L4S5ZI with IAR

Hi ST Community,I have a project running on STM32L4S5ZI and I use IAR for compiling and flashing of the firmware. My application has a file system (a 16MB flash memory) that is interfaced with the STM32 using an SPI interface. The device also has a w...

I would like to know if my STM32 is using multiple DMA channels and there are multiple channels of data being carried at the same time in the same event segment (not the same moment of data being carried at the same time, as I know it is not legal)?

FMC vs FSMC

Hello,A product I'm working on requires communicating with an FPGA over an 8 bit data + 24 bit address bus.To support a legacy design with the least possible changes I need the bus to toggle at 43.75 MHz.All I need is single (non-burst) address acces...

I'm using a stm32g473 and a sim7600E-H, uart not working reliably.

In my code i first setup the sim7600 using blocking mode and later switch to dma. But in blocking mode I'm having trouble receiving data over uart. Using a nucleo it sometimes works very reliably and other times doesn't work at all or it only receive...