micro:bit I2C Protocol Specification

Documentation for the I2C Protocol between the micro:bit V2 Interface MCU (KL27) and Target MCU (nRF52).

Specification

The specification can be found in the spec folder.

Additional Information

Other useful technical documentation:

• micro:bit Tech Site DAPLink page
• micro:bit Power Management
• micro:bit Tech Site pin and signals information
• micro:bit V2 schematic (TBC)

Implementations

This specification is currently implemented in the CODAL micro:bit project (Target nRF52) and the DAPLink project (Interface KL27).

License

SPDX-License-Identifier: CC-BY-SA-4.0