Allwinner A20 - USB Host Block Diagram; USB Host Timing Diagram; USB Host Register List

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 658 / 812
6.8.2. USB Host Block Diagram
USB
PHY
USB Port
USB HCI
HCI
Port Control
UTMI/FS
AHB Slave
AHB Master
DRAM Memory
System AHB BUS
6.8.3. USB Host Timing Diagram
Please refer USB2.0 Specification and EHCI Specification V1.0.
6.8.4. USB Host Register List
Module Name
Base Address
USB_HCI0
0x01C14000
USB_HCI1
0x01C1C000