Device
I2C
i
i2c _scl
i
3-wire SCCB
slave device 1
Serial clock
line i
(where = 2 or 3)
i
Conflict-protection
resistor
(where = 1, 2, 3 )
i
(a) Typical connection with 3-wire SCCB devices
i2c _sda
i
i2c _sccbe
i
Conflict-protection
resistor
Serial data
line i
Serial enable
line i
3-wire SCCB
slave device N
2-wire SCCB
slave device
Device
i2c _scl
i
i2c _sda
i
Conflict-protection
resistor
Serial clock
line i
Serial data
line i
(b) Typical connection with 2-wire SCCB devices
i2c-011
I2C
i
Public Version
www.ti.com
HS I
2
C Environment
The HS I
2
C controllers support the 2-wire SCCB protocol in master mode. Only I2C2 and I2C3 support the
3-wire SCCB protocol in master mode.
shows the HS I
2
C controllers and their related connections with 3-wire or 2-wire
SCCB-compliant devices.
Figure 17-11. HS I
2
C Controllers and Typical Connections to SCCB Devices
NOTE:
Only one 2-wire SCCB slave device can be connected to the 2-wire SCCB bus.
17.2.2.1 HS I
2
C Controller Pins for Typical Connections in SCCB Mode
shows the HS I
2
C controller pins used for typical connections with 3-wire or 2-wire SCCB
devices.
2775
SWPU177N – December 2009 – Revised November 2010
Multimaster High-Speed I
2
C 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 ...