Hello, Thanks for your feedback. In the meantime I had already found an answer: 1. SYSTEM_I2C_EXT0_RST field in SYSTEM_PERIP_RST_EN0_REG register had to be cleared to enable the I2CEXT0 peripheral 2. SYSTEM_I2C_EXT0_CLK_EN field in SYSTEM_PERIP_CLK_EN0_REG register hat to be set to enable the clock ...

Hello, I've been trying to manually configure ESP32S3 registers on my custom PCB in order to set-up an I2C communication. The purpose is to get hands-on experience in writing device drivers and working with register fields/addresses. I'm using ESP-IDF v5.1 with VS code. In esp32-s3 Technical Referen...