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pebri86 / esplay_micro_hardware

Micro version of esplay hardware, ESP32 based gaming console
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What is the JP1 bootstrap between IO2 and IO0 used for? #13

Closed eggfly closed 2 years ago

eggfly commented 2 years ago

Hi, I'm learning the ESPlay hardware design, I found this jumper between tf card's dat0 pin and IO0 pin, what is it used for?

image

Forgive me for using the issue system to discuss my question, and thank you very much!

eggfly commented 2 years ago

Oh I see this 😄:

https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/sd_pullup_requirements.html#download-mode-not-working-minor-issue