This application note aims to support the use of the I²C interface on Elara and Erinome GNSS modules. The interface is available in these modules as an alternative to UART by a pin selection during module boot.
Basics of I²C communication is also described like the different roles and phases in the communication, addressing on the bus, supported I²C roles and the protocol on I²C that is used by the modules.
Download: ANR018
