USB DEVICE AND CONTROL METHOD THEREOF

摘要

In one embodiment, a universal serial bus (USB) device can include: (i) an interface module having a power supply port, a ground port, and first and second data ports, where the interface module is configured to connect to corresponding ports of a USB host at a USB interface; (ii) a property identification module coupled to the first and second data ports, where the property identification module is configured to determine properties of the USB interface; (iii) a data transmission module configured to exchange data between the USB device and the USB host according to the determined properties; and (iv) a charging module coupled to the power supply port and the ground port, where the charging module is configured to charge the USB device based on the determined properties.

主权项

1. A universal serial bus (USB) device, comprising:
a) an interface module having a power supply port, a ground port, and first and second data ports, wherein said interface module is configured to connect to corresponding ports of a USB host at a USB interface; b) a property identification module coupled to said first and second data ports, wherein said property identification module is configured to determine properties of said USB interface; c) a data transmission module configured to exchange data between said USB device and said USB host according to said determined properties; and d) a charging module coupled to said power supply port and said ground port, wherein said charging module is configured to charge said USB device based on said determined properties.