Data structures for facilitating communication between a host device and an accessory

摘要

Computer readable storage mediums, electronic devices, and accessories having stored thereon data structures. A data structure includes a pin selection field operable to identify a connector pin and cause a host device to select one of a plurality of communication protocols for communicating with an accessory over the identified connector pin. The data structure also includes an accessory capability field defining an accessory identifier that uniquely identifies the accessory.