CS5535 datasheet(291/555 Pages) NSC

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USB Register Descriptions (Continued)

USBC_HcRhPortStatus[1] Register Map

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

7654321

RSVD

USBC_HcRhPortStatus[1] Bit Descriptions

Bit

Name

HCD

Description

31:21

RSVD

R/W

Reserved. Read/write 0s.

PortReset

StatusChange

R/W

Port Reset Status Change. This bit indicates that the port reset

signal has completed.

0: Port reset is not complete.

1: Port reset is complete.

PortOverCurrent

IndicatorChange

R/W

Port Over Current Indicator Change. This bit is set when Over-

CurrentIndicator changes. Writing a 1 clears this bit. Writing a 0

has no effect.

PortSuspend

StatusChange

R/W

Port Suspend Status Change. This bit indicates the completion

of the selective resume sequence for the port.

0: Port is not resumed.

1: Port resume is complete.

PortEnable

StatusChange

R/W

Port Enable Status Change. This bit indicates that the port has

been disabled due to a hardware event (cleared PortEnableSta-

tus).

0: Port has not been disabled.

1: PortEnableStatus has been cleared.

ConnectStatus

Change

R/W

Connect Status Change. This bit indicates a connect or discon-

nect 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.

If DeviceRemoveable is set, this bit resets to 1.

15:10

RSVD

R/W

Reserved. Read/write 0s.

Dual Function

R/W

Read: Low Speed Device Attached. This bit defines the speed

of the attached device. It is only valid when CurrentConnectSta-

tus is set.

0: Full Speed device.

1: Low Speed device.

Write: Clear Port Power. Writing a 1 clears PortPowerStatus.

Writing a 0 has no effect.

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