307013-003 Datasheet, PDF (472/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

UHCI Controllers Registers
11.1.6
PI—Programming Interface Register
(USB—D29:F0/F1/F2/F3)
Address Offset:
09h
Default Value:
00h
Attribute:
Size:
RO
8 bits
11.1.7
Bit
Description
Programming Interface — RO.
7:0
00h = No specific register level programming interface defined.
SCC—Sub Class Code Register
(USB—D29:F0/F1/F2/F3)
Address Offset:
0Ah
Default Value:
03h
Attribute:
Size:
RO
8 bits
11.1.8
Bit
Sub Class Code (SCC) — RO.
7:0
03h = USB host controller.
Description
BCC—Base Class Code Register
(USB—D29:F0/F1/F2/F3)
Address Offset:
0Bh
Default Value:
0Ch
Attribute:
Size:
RO
8 bits
Bit
Base Class Code (BCC) — RO.
7:0
0Ch = Serial Bus controller.
Description
472
Intel ^® ICH7 Family Datasheet