Portable electronic device and accessory device thereof, and operating method for the portable electronic device

摘要

A portable electronic device and an accessory device thereof, and an operating method for a portable electronic device. According to the disclosure, an accessory device coupled at a universal serial bus connector of a portable electronic device is detected and identified via the identification pin of the universal serial bus connector. When it is identified that the accessory device supports 1-wire communication via the identification pin, the accessory device is accessed via the 1-wire communication via the identification pin.

主权项

1. A portable electronic device, comprising:
a device body; a universal serial bus connector, equipped on the device body for insertion of an accessory device to electronically connect the accessory device to the portable electronic device; and a processing unit and a switch, wherein the switch, controlled by the processing unit, selectively couples an identification pin of the universal serial bus connector to different receiving terminals of the processing unit for different functions, and thereby the processing unit detects and identifies the accessory device via the identification pin of the universal serial bus connector and, when the accessory device supports 1-wire communication via the identification pin, the processing unit communicates with the accessory device via the 1-wire communication.