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by mathijs
Mon May 15, 2023 7:04 pm
Forum: ESP32 Arduino
Topic: ESP32-S3-WROOM-1 loses CDC serial port when starting SPI
Replies: 1
Views: 1409

ESP32-S3-WROOM-1 loses CDC serial port when starting SPI

Hi, I've created a custom board using an ESP32-S3-WROOM-1 which is connected to a Wiznet W6100 chip over SPI. The ESP32S3 is connected to USB over pins 13/14 (GPIO19/GPIO20). I can flash the chip without problems. The W6100 in SPI mode is connected to the following pins: 18 (GPIO10): chip select 19 ...