cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 282

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

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USB Register Descriptions
5.5.4.6
USB Memory Offset
Type
Reset Value
Writing a 1 to a bit in this register clears the corresponding bit, while writing a 0 leaves the bit unchanged.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
29:7
Bit
31
30
6
5
4
3
2
1
0
Host Controller Interrupt Disable (USBC_HcInterruptDisable)
Name
MasterInterrupt
Enable
Ownership
ChangeEnable
RSVD
RootHubStatus
ChangeEnable
FrameNumber
OverflowEnable
Unrecoverable
ErrorEnable
Resume
DetectedEnable
StartOfFrame
Enable
WritebackDone
HeadEnable
Scheduling
OverrunEnable
HCD:
HC:
14h
R/W
RO
00000000h
HCD
USBC_HcInterruptDisable Bit Descriptions
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
USBC_HcInterruptDisable Register Map
(Continued)
HC
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RSVD
Description
Master Interrupt Disable. Global interrupt disable. A write of 1
disables all interrupts.
Ownership Change Disable.
0: Ignore.
1: Disable interrupt generation due to Ownership Change.
Reserved. Read/write 0s.
Root Hub Status Change Disable.
0: Ignore.
1: Disable interrupt generation due to Root Hub Status Change.
Frame Number Overflow Disable.
0: Ignore.
1: Disable interrupt generation due to Frame Number Overflow.
Unrecoverable Error Disable. This event is not implemented. All
writes to this bit will be ignored.
Resume Detected Disable.
0: Ignore.
1: Disable interrupt generation due to Resume Detected.
Start Of Frame Disable.
0: Ignore.
1: Disable interrupt generation due to Start of Frame.
Writeback Done Head Disable.
0: Ignore.
1: Disable interrupt generation due to Writeback Done Head.
Scheduling Overrun Disable.
0: Ignore.
1: Disable interrupt generation due to Scheduling Overrun.
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