Public Version
High-Speed USB Host Subsystem
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Bits
Field Name
Description
Type
Reset
8
PPS_SPP
Port 3 power status/set port power.
RW
0
Read 0x0: Port 3 power is enabled.
Read 0x1: Port 3 power is not enabled.
Write 0x0: No effect.
Write 0x1: Sets the port 3 port power status bit.
7:5
RESERVED
Reserved
R
0x0
4
PRS_SPR
Port 3 reset status/set port reset.
RW
0
Read 0x0: USB reset is not being sent to port 3.
Read 0x1: Port 3 is signaling the USB reset.
Write 0x0: No effect.
Write 0x1: Sets the port 3 port reset status bit and causes
the USB host controller to begin signaling USB reset to
port 3.
3
RESERVED
Reserved
RW
0
2
PSS_SPS
Port 3 port suspend status/set port suspend. This bit is
RW
0
cleared automatically at the end of the USB resume
sequence and also at the end of the USB reset
sequence.
Write 0x0: No effect.
Read 0x0: Port 3 is not in the USB suspend state.
Read 0x1: Port 3 is in the USB suspend state or is in the
resume sequence.
Write 0x1: If port 3 current connect status is 1, sets the
port 3 port suspend status bit and places port 3 in USB
suspend state. If current connect status is 0, sets instead
connect status change to inform the USB host controller
driver of an attempt to suspend a disconnected port.
1
PES_SPE
Port 3 enable status/set port enable. This bit is
RW
0
automatically set at completion of port 3 USB reset if it
was not already set before the USB reset completed, and
is automatically set at the end of a USB suspend if the
port was not enabled when the USB resume completed.
Read 0x0: Port 3 is not enabled.
Read 0x1: Port 3 is enabled.
Write 0x0: No effect.
Write 0x1: When port 3 current connect status is 1 sets
the port 3 port enable status bit. When port 3 current
status is 0 has no effect.
0
CCS_CPE
Port 3 current connection status/clear port enable.
RW
0
Read 0x0: No USB device is attached to port 3.
Read 0x1: Port 3 currently has a USB device attached.
Write 0x0: No effect.
Write 0x1: Clears the port 3 port enable bit.
Note: This bit is set to 1 if the DR bit
[1] is set to indicate a
non-removable device on port 3.
Table 22-211. Register Call Summary for Register HCRHPORTSTATUS_3
High-Speed USB Host Subsystem
•
High-Speed USB Host Subsystem Register Summary
22.2.6.4.4 EHCI Registers
3344
High-Speed USB Host Subsystem and High-Speed USB OTG Controller
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated
Содержание OMAP36 Series
Страница 174: ...174 List of Tables SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 692: ...692 MPU Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 1084: ...1084 IVA2 2 Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 1990: ...1990 2D 3D Graphics Accelerator SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2334: ...2334 Memory Subsystem SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2700: ...2700 Memory Management Units SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2868: ...2868 HDQ 1 Wire SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 2974: ...2974 UART IrDA CIR SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3054: ...3054 Multichannel SPI SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3462: ...3462 MMC SD SDIO Card Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3508: ...3508 General Purpose Interface SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3584: ...3584 Initialization SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...
Страница 3648: ...3648 Debug and Emulation SWPU177N December 2009 Revised November 2010 Copyright 2009 2010 Texas Instruments Incorporated ...