cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 290

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

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USB Register Descriptions
5.5.4.22
USB Memory Offset
Type
Reset Value
This register is reset by the UsbReset state.
Note: There must be a Device Connect detected by the host to be able to set other bits.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
30:18
14:2
Bit
31
17
16
15
1
0
Host Controller Root Hub Port Status 1 (USBC_HcRhPortStatus[1])
Name
ClearRemote
WakeupEnable
RSVD
OverCurrent
IndicatorChange
Dual Function
Dual Function
RSVD
OverCurrent
Indicator
Dual Function
HCD:
HC:
54h
R/W
R/W
00000000h
RSVD
HCD
R/W
R/W
R/W
R/W
R/W
R/W
WO
R
(Continued)
USBC_HcRhStatus Bit Descriptions
USBC_HcRhStatus Register Map
R/W
R/W
R/W
R/W
HC
RO
RO
RO
RO
Description
Clear Remote Wakeup Enable. Writing a 1 to this bit clears
DeviceRemoteWakeupEnable. Writing a 0 has no effect.
Reserved. Read/write 0s.
Over Current Indicator Change. This bit is set when OverCur-
rentIndicator changes. Writing a 1 clears this bit. Writing a 0 has
no effect.
Read: Local Power Status Change. Not supported. Always
read 0.
Write: Set Global Power. Write a 1 issues a SetGlobalPower
command to the ports. Writing a 0 has no effect.
Read: Device Remote Wakeup Enable. This bit enables ports'
ConnectStatusChange as a remote wakeup event.
0: Disabled.
1: Enabled.
Write: Set Remote Wakeup Enable. Writing a 1 sets DeviceRe-
moteWakeupEnable. Writing a 0 has no effect.
Reserved. Read/write 0s.
Over Current Indicator. This bit reflects the state of the OVR-
CUR pin. This field is only valid if NoOverCurrentProtection and
OverCurrentProtectionMode are cleared.
0: No over-current condition.
1: Over-current condition.
Read: Local Power Status. Not Supported. Always read 0.
Write: Clear Global Power. Writing a 1 issues a ClearGlo-
balPower command to the ports. Writing a 0 has no effect.
290
9
RSVD
8
7
6
5
4
3
2
Revision 0.8
1
0