Hello everyone, I am facing a strange issue. I am working with a nucleo-h743ZI2 biard using SDMMC1with fatfs to write data on µSD card. I have 2 SD card with apparently the same characteristics : 4GB, SDHC, class 10. SDMMC is set in 1 bit mode (4 bi...

Hello, I am trying to use a µSD card with a nucleo-h743zi2card. I use SDMMC1 peripheral and FatFS middleware. When I set SDMMC1 in 1 bit mode my program works perfectly, but when I set the peripheral in 4 bits mode the card is not mounted. When I deb...

Hello, I am working on a project in which I have to write data from my adc into a µSD card using SDMMC1 peripheral.In my testing program to see the ADC1 behaviour with the DMA all work. My buffer stores the datas from my ADC using DMA and the callaba...

Hello everyone, I am working on a project in which I need to store data on extern memory with a nucleo-H743ZI2 board. I choose to use an SD card (SDHC Class 10, with 4Gb) because it is smaller than a usb key.I use SDMMC1 on PLL1Q at 48MHz and the clo...