More often than not, an IoT master device uses the SPI (serial peripheral interface) and I2C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...

There is very little documentation on the I2C controllers implemented in the Pi 5, but as they are based on the Synopsys DW_apb_i2c (v2.02) their details are described in the company’s databook which ...