Search found 2 matches

by humberry
Fri Nov 10, 2017 5:02 pm
Forum: ESP-IDF
Topic: SD card interface high speed mode
Replies: 12
Views: 37405

Re: SD card interface high speed mode

Hi, I was playing around with the SPI connected sd card in default speed (20MHz clock), then I decided to change the clock to 26.7MHz by setting the SDMMC.clock.div_factor_h to 5 (instead of 1 => hint in the second post). I also removed the old build folder to get sure the changes are made, but I ha...