A13 Datasheet, PDF (47/55 Pages) DB Lectro Inc – DIP PLUG PITCH:2.54mm

Allwinner Technology CO., Ltd.
19. USB DRD Controller
19.1. Overview
The USB DRD is dual-role controller supporting Host and device functions. It can also be
configured as a Host-only or Device-only controller, full compliant with the USB 2.0
Specification. The USB DRD can support high-speed (HS, 480-Mbps), full-speed (FS, 12-Mbps),
and low-speed (LS, 1.5-Mbps) transfers in Host mode, support high-speed (HS, 480-Mbps) and
full-speed (FS, 12-Mbps) in Device mode.
The USB2.0 DRD controller (SIE) features:
 64-Byte Endpoint 0 for Control Transfer
 Support up to 5 User-Configurable Endpoints for Bulk , Isochronous, Control and Interrupt
bi-directional transfers
 Support High-Bandwidth Isochronous & Interrupt transfers
 Support point-to-point and point-to-multipoint transfer in both Host and Peripheral mode
19.2. USB DRD Controller Signal Description
Signal Name
Description
Type
UDM0
USB0 DRD DM
IO
UDP0
USB0 DRD DP
IO
Table 19. USB DRD Controller Signal Description
A13 Datasheet v1.30
Copyright © 2012 Allwinner Technology. All Rights Reserved.
46
December 10, 2012