hi i working on stm32h743vit to have two uSD card Simultaneously i use fatfs and SDIO 1 and SDIO 2each sd card working in Single mode for SDIO 1 and SDIO 2but i merge and change something to work correctly but in main just mount work ....i cant find ...

hii want to have both SDMMC 1 and 2 i test my project for SDMMC1 in 4bit sdio at 44MHz and no clock Div its work good singlebut when i set SDMMC2 single with that not worki change setting reduce frequency , use clock div , software pull up pins but ...