82801FB Datasheet, PDF (531/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

EHCI Controller Registers (D29:F7)
14.1.5
14.1.6
14.1.7
14.1.8
RID—Revision Identification Register
(USB EHCI—D29:F7)
Offset Address: 08h
Default Value: See bit description
Attribute:
Size:
RO
8 bits
Bit
Description
7:0
Revision ID — RO. Refer to the Intel^® I/O Controller Hub 6 (ICH6) Family Specification Update for
the value of the Revision ID Register
PI—Programming Interface Register
(USB EHCI—D29:F7)
Address Offset: 09h
Default Value: 20h
Attribute: RO
Size:
8 bits
Bit
Description
7:0
Programming Interface — RO. A value of 20h indicates that this USB 2.0 host controller conforms to
the EHCI Specification.
SCC—Sub Class Code Register
(USB EHCI—D29:F7)
Address Offset: 0Ah
Default Value: 03h
Attribute: RO
Size:
8 bits
Bit
Description
Sub Class Code (SCC) — RO.
7:0
03h = Universal serial bus host controller.
BCC—Base Class Code Register
(USB EHCI—D29:F7)
Address Offset: 0Bh
Default Value: 0Ch
Attribute: RO
Size:
8 bits
Bit
Base Class Code (BCC) — RO.
7:0
0Ch = Serial bus controller.
Description
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
531