82C862 Datasheet, PDF (40/51 Pages) List of Unclassifed Manufacturers – FireLink USB Dual Controller Quad Port USB

FireLink USB
82C862
7
6
5
4
3
2
1
0
MEMOFST 55h
HcRhPort1Status Register - Byte 1
Default = 00h
Reserved
Read: Low
Speed Device
Attached(1)
0 = Full speed
device
1 = Low speed
device
Write: Clear
Port Power
0 = No effect
1 = Clears Port
Power
Status (bit
0)
Read: Port
Power Status(2)
0 = Port power
is off
1 = Port power
is on
Write: Set Port
Power
0 = No effect
1 = Sets Port
Power
Status
(1) Bit 1 defines the speed (and bus idle) of the attached device. It is only valid when Current Connect Status (MEMOFST 54h[0]) bit is set.
(2) Bit 0 reflects the power state of the port regardless of the power switching mode. If the No Power Switching (MEMOFST 49h[1]) bit is set,
bit 0 is always read as 1.
MEMOFST 56h
HcRhPort1Status Register - Byte 2
Default = 00h
Reserved
Port Reset
Status Change
0 = Port reset is
not
complete
1 = Port reset is
complete
Port Over-
current
Indicator
Change
This bit is set
when the Over-
current
Indicator
(MEMOFST
50h[1]) bit
changes.
Write 1 to clear
(1) If the Device Removable Bits (MEMOFST 4Ch[15:1]) are set, bit 0 resets to 1.
Port Suspend Port Enable Connect Status
Status Change Status Change
Change
Indicates the Indicates that Indicates a
completion of the port has connect or
the selective been disabled disconnect
resume
due to a
event has been
sequence for hardware event detected.
the port.
(cleared Port _{0 = No}
0 = Port is not ^{Enable Status,}
connect/dis
resumed ^MEMOFST
54h[1]).
1 = Port resume
connect
event
is complete
0 = Port has not
been
disabled
1 = Hardware
detection of
connect/dis
1 = Port Enable
connect
Status has
event(1)
been
cleared
Write 1 to clear
MEMOFST 57h
HcRhPort1Status Register - Byte 3
Reserved
Default = 00h
®
Page 36
912-2000-030
Revision: 1.0