82NM10 Datasheet, PDF (521/671 Pages) Intel Corporation – Intel® NM10 Family Express Chipset

EHCI Controller Registers (D29:F7)
16.1.5
16.1.6
16.1.7
16.1.8
RID—Revision Identification Register
(USB EHCI—D29:F7)
Offset Address: 08h
Default Value: See bit description
Bit
7:0 Revision ID — RO.
Attribute:
Size:
Description
RO
8 bits
PI—Programming Interface Register
(USB EHCI—D29:F7)
Address Offset: 09h
Default Value: 20h
Attribute:
Size:
RO
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:
Size:
Bit
Description
7:0 Sub Class Code (SCC) — RO.
03h = Universal serial bus host controller.
RO
8 bits
BCC—Base Class Code Register
(USB EHCI—D29:F7)
Address Offset: 0Bh
Default Value: 0Ch
Bit
7:0 Base Class Code (BCC) — RO.
0Ch = Serial bus controller.
Attribute:
Size:
Description
RO
8 bits
Datasheet
521