Communication between an accessory and a media player using a protocol with multiple lingoes

摘要

A connector interface system is disclosed. The connector interface system includes an interface and a protocol in communication with which allows a media player to communicate with external devices over a transport link. The protocol includes a core protocol functionality and a plurality of accessory lingoes. The accessory lingoes comprise a microphone lingo, a simple remote lingo, a display remote lingo, a RF transmitter lingo and an extended interface lingo.