ESP32 PICO KIT 4.1 - MTDI Pullup
Posted: Sat Apr 20, 2019 2:04 pm
According to the ESP32-PICO datasheet, the embedded SPI flash requires 3.3V from the internal LDO which would mean MTDI must be held low.
In the PICO Kit schematic available here: https://docs.espressif.com/projects/esp ... index.html
...R23 pulls MTDI high, which would force the LDO to 1.8V.
Is this a mistake? If not, what am I missing?
Followup question: Why are the RTS and CTS pins of the CP2104 connected to IO13 and IO15 instead of IO19 and IO22 (which are the correct U0 flow control pins).
Cheers.
In the PICO Kit schematic available here: https://docs.espressif.com/projects/esp ... index.html
...R23 pulls MTDI high, which would force the LDO to 1.8V.
Is this a mistake? If not, what am I missing?
Followup question: Why are the RTS and CTS pins of the CP2104 connected to IO13 and IO15 instead of IO19 and IO22 (which are the correct U0 flow control pins).
Cheers.