CS5535-UDCF AMD (ADVANCED MICRO DEVICES), CS5535-UDCF Datasheet - Page 309

• Manufacturer Part Number: CS5535-UDCF
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of CS5535-UDCF

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

USB Controller Register Descriptions
AMD Geode™ CS5535 Companion Device Data Book
Bit
7:5
9
8
4
3
2
1
0
Name
Dual Function
Dual Function
RSVD
Dual Function
Dual Function
Dual Function
Dual Function
Dual Function
USBC_HcRhPortStatus[1] Bit Descriptions (Continued)
HCD
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
HC
Description
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.
Read: Port Power Status. 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: Set Port Power. Writing a 1 sets PortPowerStatus. Writ-
ing a 0 has no effect.
Reserved. Read/write 0s.
Read: Port Reset Status.
0: Port reset signal is not active.
1: Port reset signal is active.
Write: Set Port Reset. Writing a 1 sets PortResetStatus. Writing
a 0 has no effect.
Read: Port Over Current Indicator. This bit reflects the state of
the OVRCUR pin dedicated to this port. This field is only valid if
NoOverCurrentProtection is cleared and OverCurrentProtection-
Mode is set.
0: No over-current condition.
1: Over-current condition.
Write: Clear Port Suspend. Writing a 1 initiates the selective
resume sequence for the port. Writing a 0 has no effect.
Read: Port Suspend Status.
0: Port is not suspended.
1: Port is selectively suspended.
Write: Set Port Suspend. Writing a 1 sets PortSuspendStatus.
Writing a 0 has no effect.
Read: Port Enable Status.
0: Port disabled.
1: Port enabled.
Write: Set PortEnable. Writing a 1 sets PortEnableStatus. Writ-
ing a 0 has no effect.
Read: Current Connect Status.
0: No device connected.
1: Device connected.
Note: If DeviceRemoveable is set (not removable) this bit is
Write: Clear Port Enable. Writing 1 a clears PortEnableStatus.
Writing a 0 has no effect.
always 1.
31506B
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