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High-Speed USB Host Subsystem
Bits
Field Name
Description
Type
Reset
0
CCS_CPE
Port 2 current connection status/clear port enable.
RW
0
Read 0x0: No USB device is attached to port 2.
Read 0x1: Port 2 currently has a USB device attached.
Write 0x0: No effect.
Write 0x1: Clears the port 2 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 2.
Table 22-209. Register Call Summary for Register HCRHPORTSTATUS_2
High-Speed USB Host Subsystem
•
High-Speed USB Host Subsystem Register Summary
Table 22-210. HCRHPORTSTATUS_3
Address Offset
0x0000 005C
Physical Address
0x4806 445C
Instance
OHCI
Description
HC Port 3 Status and Control Register
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
RESERVED
CSC
PSSC
PESC
PRSC
PPS_SPP
PSS_SPS
PES_SPE
PRS_SPR
CCS_CPE
LSDA_CPP
RESERVED
RESERVED
RESERVED
Bits
Field Name
Description
Type
Reset
31:21
RESERVED
Reserved
R
0x000
20
PRSC
Port 3 reset status change. This bit is set when the Port 3
RW
0
port reset status bit has changed.
Write 0x0: No effect.
Write 0x1: Clears this bit.
19
RESERVED
Reserved
RW
0
18
PSSC
Port 3 suspend status change. This bit is set when the
RW
0
Port 3 port suspend status has changed.
Write 0x0: No effect.
Write 0x1: Clears this bit.
17
PESC
Port 3 enable status change. This bit is set when the Port
RW
0
3 port enable status has changed.
Write 0x0: No effect.
Write 0x1: Clears this bit.
16
CSC
Port 3 connect status change. This bit is set when the
RW
0
Port 3 port current connect status has changed due to a
connect or disconnect event.
If current connect status is 0 when a set port reset, set
port enable, or set port suspend write occurs, this bit is
set.
Write 0x0: No effect.
Write 0x1: Clears this bit.
Note: If the DR bit
[1] is set, this bit
is set only after a root hub reset to inform the system that
the device is attached.
15:10
RESERVED
Reserved
R
0x00
9
LSDA_CPP
Port 3 low-speed device attached/clear port power. This
RW
0
bit is valid only when port 3 current connect status is 1.
Read 0x0: A full-speed device is attached to port 3.
Read 0x1: A low-speed device is attached to port 3.
Write 0x0: No effect.
Write 0x1: Clears the port 3 port power status.
3343
SWPU177N – December 2009 – Revised November 2010
High-Speed USB Host Subsystem and High-Speed USB OTG Controller
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 ...