Download the ETC9421 datasheet PDF.
This datasheet also covers the ETC9344 variant, as both devices belong to the same single chip microcontrollers family and are provided as variant models within a single manufacturer datasheet.
Note: The manufacturer provides a single datasheet file (ETC9344_ThomsonSemiconductors.pdf) that lists specifications for multiple related part numbers.
ETC9421 Datasheet
