W90P710_05 Datasheet, PDF (191/526 Pages) Winbond – 16/32-bit ARM microcontroller

W90P710
Host Controller Root Hub Status Register
This register is reset by the USBRESET state.
REGISTER
OFFSET
ADDRESS
R/W
DESCRIPTION
HcRhStstus
0xFFF0_5050 R/W Host Controller Root Hub Status Register
RESET
VALUE
0x0000_0000
31
30
23
22
15
14
DRWE
7
6
29
28
21
20
Reserved
13
12
5
4
Reserved
27
26
Reserved
19
18
11
10
Reserved
3
2
25
17
OVIC
9
1
OVRCI
24
16
LPSC
8
0
LOPS
BITS
[31]
[30:18]
[17]
[16]
[15]
[14:2]
CRWE
Reserved
OVIC
LPSC
DRWE
Reserved
DESCRIPTION
(Write) ClearRemoteWakeupEnable
Writing a '1' to this bit clears DeviceRemoteWakeupEnable. Writing
a '1' has no effect.
Reserved. Read/Write 0's
OverCurrentIndicatorChange
This bit is set when OverCurrentIndicator changes. Writing a '1'
clears this bit. Writing a '0' has no effect.
(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.
(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.
Reserved. Read/Write 0's
- 191 -
Publication Release Date: January 17, 2005
Revision A.2