Rainbow Electronics W90N745CDG User Manual

Page 194

W90N745CD/W90N745CDG

Publication Release Date: September 22, 2006

189

Revision

Continued.

BITS

DESCRIPTION

[19] POCIC

PortOverCurrentIndicatorChange

This bit is set when OverCurrentIndicator changes. Writing a '1' clears this bit.
Writing a '0' has no effect.

[18] PSSC

PortSuspendStatusChange

This bit indicates the completion of the selective resume sequence for the port.

0 = Port is not resumed.

1 = Port resume is complete.

[17]

PESC

PortEnableStatusChange

This bit indicates that the port has been disabled due to a hardware event
(cleared PortEnableStatus).

0 = Port has not been disabled.

1 = PortEnableStatus has been cleared.

[16] CSC

ConnectStatusChange

This bit indicates a connect or disconnect event has been detected. Writing a '1'
clears this bit. Writing a '0' has no effect.

0 = No connect/disconnect event.

1 = Hardware detection of connect/disconnect event.

Note: If DeviceRemoveable is set, this bit resets to '1'.

[15:10] Reserved Reserved. Read/Write 0's

[9] LSDA

(Read) LowSpeedDeviceAttached

This bit defines the speed (and bud idle) of the attached device. It is only valid
when CurrentConnectStatus is set.

0 = Full Speed device

1 = Low Speed device

(Write) ClearPortPower

Writing a '1' clears PortPowerStatus. Writing a '0' has no effect

[8] PPS

(Read) PortPowerStatus

This bit reflects the power state of the port regardless of the power switching
mode.

0 = Port power is off.

1 = Port power is on.

Note: If NoPowerSwitching is set, this bit is always read as '1'.

(Write) SetPortPower

Writing a '1' sets PortPowerStatus. Writing a '0' has no effect.

[7:5] Reserved

Reserved. Read/Write 0's