Is series resistor necessary in SDMMC CLK line for impedance matching?
Posted on September 25, 2017 at 21:21Hi, I am using the STM32746NG on the STM32746NG-DISCO discovery board. I am accessing the on-board SDMMC connector at double bus speed, i.e. 48 MHz. According to the schematic for the DISCO board there is no seri...