HDMI Consumer Electronics Control (CEC)

CEC (Consumer Electronics Control) is a one-wire serial bus connected via HDMI and used to perform remote control functions across multiple devices.

Top Resources

• Wikipedia

• CEC White Paper

• XBMC Wiki

• Respberry Pi Forum

Example HDMI CEC Parts

• USB CEC Adapter

• RCAware PC-CEC Remote

What Logic Decodes

• Start Sequence

• 10-bit Header Blocks

• 10-bit Data Blocks

• EOM bits

• ACK bits