Product specifications

VT8235 V-Link South Bridge
Revision 1.22 October 24, 2002 -49- Device 16 Function 0 USB UHCI Registers for Ports 0-1
USB I/O Registers
These registers are compliant with the UHCI v1.1 standard.
Refer to the UHCI v1.1 specification for further details.
I/O Offset 1-0 - USB Command
I/O Offset 3-2 - USB Status
I/O Offset 5-4 - USB Interrupt Enable
I/O Offset 7-6 - Frame Number
I/O Offset B-8 - Frame List Base Address
I/O Offset 0C - Start Of Frame Modify
I/O Offset 11-10 - Port 0 Status / Control
I/O Offset 13-12 - Port 1 Status / Control