Data Sheet

23
FORM NO.: FR2-015_ A Responsible Department：WBU Expiry Date: Forever
The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.
3.4.2.2. Differential Rx Output Electricals
3.4.3. USB Interface
The USB device interface is compliant with the Universal Serial Bus Specification, Revision 2.0,
April 27, 2000. A USB host uses the USB cable bus and the USB 2.0 device interface to
communicate with the chip.
The main features of the USB device interface include:
High/full speed operation (480/12 Mbps)
Suspend/host resume/device resume (remote wake-up)
Built-in DMA engine that reduces interrupt loads on the embedded processor and reduces the
system bus bandwidth requirement for serving the USB device operation
The USB 2.0 device interface is designed with 3.3V signal level pads.