User's Manual

Bluetooth Transmit Data Module
Shanghai Ehong Technologies Inc
13. USB
This is a full speed (12M bits/s) USB interface for communicating with other compatible digital
devices. The module acts as a USB peripheral, responding to request from a master host
controller, such as a PC.
The USB interface is capable of driving a USB cable directly. No external USB transceiver is
required. The device operates as a USB peripheral, responding to requests from a master host
controller such as a PC. Both the OHCI and the UHCI standards are supported. The set of USB
endpoints implemented can behave as specified in the USB section of the Bluetooth specification
such as speakers.
The module has an internal USB pull-up resistor. This pulls the USB_DP pin weakly high when
module is ready to enumerate. It signals to the USB master that it is a full speed (12Mbit/s) USB
device.
V3.0 or alternatively can appear as a set of endpoints appropriate to USB audio devices