Rainbow Electronics W90P710CDG User Manual
Page 190
W90P710CD/W90P710CDG
- 190 -
Host Controller Root Hub Status Register
This register is reset by the U
SB
R
ESET
state.
REGISTER
OFFSET
ADDRESS
R/W
DESCRIPTION
RESET
VALUE
HcRhStstus 0xFFF0_5050
R/W Host Controller Root Hub Status Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
OVIC
LPSC
15
14
13
12
11
10
9
8
DRWE
Reserved
7
6
5
4
3
2
1
0
Reserved
OVRCI
LOPS
BITS
DESCRIPTION
[31] CRWE
(Write) ClearRemoteWakeupEnable
Writing a '1' to this bit clears DeviceRemoteWakeupEnable. Writing
a '1' has no effect.
[30:18] Reserved Reserved. Read/Write 0's
[17] OVIC
OverCurrentIndicatorChange
This bit is set when OverCurrentIndicator changes. Writing a '1'
clears this bit. Writing a '0' has no effect.
[16] LPSC
(Read) LocalPowerStatusChange
Not supported. Always read '0'.
(Write) SetGlobalPower
Write a '1' issues a SetGlobalPower command to the ports. Writing a
'0' has no effect.
[15] DRWE
(Read) DeviceRemoteWakeupEnable
This bit enables ports' ConnectStatusChange as a remote wakeup
event.
0 = Disabled
1 = Enabled
(Write) SetRemoteWakeupEnable
Writing a '1' sets DeviceRemoteWakeupEnable. Writing a '0' has no
effect.
[14:2] Reserved Reserved. Read/Write 0's