ISP1160BD/01,151 NXP Semiconductors, ISP1160BD/01,151 Datasheet - Page 56

• Manufacturer Part Number: ISP1160BD/01,151
• Manufacturer: NXP Semiconductors

Specifications of ISP1160BD/01,151

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
9397 750 13963
Product data
Table 35:
Bit
8
7 to 5
4
3
HcRshPortStatus[1:2] register: bit description
Symbol
PPS
-
PRS
POCI
Rev. 05 — 24 December 2004
Description
On read—PortPowerStatus: This bit reflects the port power
status, regardless of the type of power switching implemented.
This bit is cleared if an overcurrent condition is detected.
The HCD sets this bit by writing SetPortPower or SetGlobalPower.
The HCD clears this bit by writing ClearPortPower or
ClearGlobalPower. Which power control switches are enabled is
determined by PowerSwitchingMode.
In the global switching mode (PowerSwitchingMode
Set/ClearGlobalPower controls this bit. In per-port power switching
(PowerSwitchingMode
the port is set, only Set/ClearPortPower commands are enabled. If
the mask is not set, only Set/ClearGlobalPower commands are
enabled.
When port power is disabled, CurrentConnectStatus,
PortEnableStatus, PortSuspendStatus, and PortResetStatus
should be reset.
0 — port power is off
1 — port power is on
On write—SetPortPower: The HCD writes a logic 1 to set
bit PortPowerStatus. Writing a logic 0 has no effect.
Remark: This bit always reads logic 1 if power switching is not
supported.
reserved
On read—PortResetStatus: When this bit is set by a write to
SetPortReset, port reset signaling is asserted. When reset is
completed, this bit is cleared when PortResetStatusChange is set.
This bit cannot be set if CurrentConnectStatus is cleared.
0 — port reset signal is not active
1 — port reset signal is active
On write—SetPortReset: The HCD sets the port reset signaling
by writing a logic 1 to this bit. Writing a logic 0 has no effect. If
CurrentConnectStatus is cleared, this write does not set
PortResetStatus but instead sets ConnectStatusChange. This
informs the driver that it attempted to reset a disconnected port.
On read—PortOverCurrentIndicator: This bit is valid only when
the Root Hub is configured in such a way that overcurrent
conditions are reported on a per-port basis. If per-port overcurrent
reporting is not supported, this bit is set to logic 0. If cleared, all
power operations are normal for this port. If set, an overcurrent
condition exists on this port. This bit always reflects the overcurrent
input signal.
0 — no overcurrent condition
1 — overcurrent condition detected
(write) ClearSuspendStatus: The HCD writes a logic 1 to initiate
a resume. Writing a logic 0 has no effect. A resume is initiated only
if PortSuspendStatus is set.
1), if bit PortPowerControlMask[NDP] for
Embedded USB Host Controller
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
…continued
ISP1160
0), only
55 of 88