ASIX ELECTRONICS CORPORATION

16

CONFIDENTIAL

AX88170

PRELIMINARY

5.0 USB Configuration Structure

5.1 USB Configuration.

The AX88170 supports 1 Configuration only.

5.2 USB Interface Class.

The AX88170 supports 2 interfaces, the interface 0 is Data Interface and interface 1 is for Communication Interface.

5.3 USB Endpoints.

The AX88170 supports 4 endpoints.

Endpoint 0

è Control endpoint, it is for configuring device.

Endpoint 1

è (optional) Interrupt endpoint, it is for reporting status change

Endpoint 2

è Bulk Out endpoint, it is for Transmitting Ethernet Packet.

Endpoint 3

è Bulk In endpoint, it is for Receiving Ethernet Packet.