Owners manual
Interfaces
H3 Datasheet(Revision1.2) Copyright© 2015 Allwinner Technology Co.,Ltd.All Rights Reserved. Page 488
Supports the UTMI+ Level 3 interface . The 8-bit bidirectional data buses are used.
Supports only 1 USB Root Port shared between EHCI and OHCI.
8.5.2.2. Block Diagram
Figure 8-7 shows the USB Host Controller system-level block diagram:
Figure 8-7. USB Host Controller Block Diagram
8.5.2.3. USB Host Timing Diagram
Please refer USB2.0 Specification, Enhanced Host Controller Interface (EHCI) Specification, Version 1.0, and the
Open Host Controller Interface (OHCI) Specification, Version 1.0a.
8.5.2.4. USB Host Register List
Module Name
Base Address
USB_HCI1
0x01C1B000
USB_HCI2
0x01C1C000
USB_HCI3
0x01C1D000
confidential