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SD mmc pins of Firebeetle 2 Esp32-E

userHead Ben.Ben 2023-05-06 02:57:53 618 Views1 Replies

Hi there, 

Does anyone know what pins I can use for interfacing with SD in mmc mode?
Are they different from the ones on this page?
https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/sdmmc_host.html
 

2023-05-10 18:52:18

Greetings!

 

If my understanding was correct, the SD card can use the SPI communication, 

 

wiki link: https://wiki.dfrobot.com/FireBeetle_Board_ESP32_E_SKU_DFR0654#target_18

 

 

The corresponding GPIO pins are therefore:

there is also an example of using an SD card module：https://wiki.dfrobot.com/SD_Module__SKU__DFR0071_

 

Be aware that some module requires 5V rather than 3.3V, you probably wanna check their specifications. 

 

Regards,

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