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FireLink USB
82C862
912-2000-030
Revision 1.0
Page 35
®
7
6
5
4
3
2
1
0
MEMOFST 52h
HcRhStatus Register - Byte 2
Default = 00h
Reserved
Over-current
Indicator
Change
This bit is set
when the Over-
current
Indicator bit
(MEMOFST
50h[1])
changes.
Write 1 to clear
Read: Local
Power Status
Change
Not supported.
Always read 0
Write: Set
Global Power
0 = No effect
1 = Issue Set
Global
Power
command
to ports
MEMOFST 53h
HcRhStatus Register - Byte 3
Default = 00h
Clear Remote
Wakeup
Enable (WO)
0 = No effect
1 = Clear
Device
Remote
Wakeup
Enable bit
(MEMOFST
51h[7])
Reserved
MEMOFST 54h
HcRhPort1Status Register - Byte 0
Default = 00h
Reserved
Read: Port
Reset Status
0 = Port reset
status
signal not
active
1 = Port reset
signal
active
Write: Set Port
Reset
0 = No effect
1 = Sets Port
Reset
Status
Read: Port
Over-current
Indicator(1)
0 = No over-
current
condition
1 = Over-
current
condition
Write: Clear
Port Suspend
0 = No effect
1 = Initiates
selective
resume
sequence
for the port
Read: Port
Suspend Status
0 = Port is not
suspended
1 = Port is
selectively
suspended
Write: Set Port
Suspend
0 = No effect
1 = Sets Port
Suspend
Status
Read: Port
Enable Status
0 = Port
disabled
1 = Port
enabled
Write: Set Port
Enable
0 = No effect
1 = Sets Port
Enable
Status
Read: Current
Connect Status
0 = No device
connected
1 = Device
connected.(
2)
Write: Clear
Port Enable
0 = No effect
1 = Clears Port
Enable
Status bit
(bit 1)
(1) The USB core supports global over-current reporting. This bit reflects the state of the OVRCUR pin dedicated to this port. This bit is only
valid if the No Over-current Protection (MEMOFST 49h[4]) bit is cleared and Over-current Protection Mode (MEMOFST 49h[3]) bit is set.
(2) If the Device Removable bits (MEMOFST 4Ch[15:0]) are set (not removable), bit 0 is always 1.
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