參數(shù)資料
型號: TMX320C6412GNZ
廠商: Texas Instruments, Inc.
英文描述: Signal Processor
中文描述: 信號處理器
文件頁數(shù): 93/159頁
文件大?。?/td> 1989K
代理商: TMX320C6412GNZ
I2C
93
April 2003 Revised June 2004
SPRS219D
2.15
I2C
The I2C module on the TMS320C6412 may be used by the DSP to control local peripherals ICs (DACs, ADCs,
etc.) while the other may be used to communicate with other controllers in a system or to implement a user
interface.
The I2C port supports:
Compatible with Philips I2C Specification Revision 2.1 (January 2000)
Fast Mode up to 400 Kbps (no fail-safe I/O buffers)
Noise Filter to Remove Noise 50 ns or less
Seven- and Ten-Bit Device Addressing Modes
Master (Transmit/Receive) and Slave (Transmit/Receive) Functionality
Events: DMA, Interrupt, or Polling
Slew-Rate Limited Open-Drain Output Buffers
Figure 29 is a block diagram of the I2C0 module.
Clock
Prescale
I2CPSCx
Peripheral Clock
(CPU/4)
I2CCLKHx
Generator
Bit Clock
I2CCLKLx
Noise
Filter
I2C Clock
SCL
I2CXSRx
I2CDXRx
Transmit
Transmit
Shift
Transmit
Buffer
I2CDRRx
Shift
I2CRSRx
Receive
Buffer
Receive
Receive
Filter
SDA
I2C Data
Noise
I2COARx
I2CSARx
Slave
Address
Control
Address
Own
I2CMDRx
I2CCNTx
Mode
Data
Count
Source
Interrupt
Interrupt
Status
I2CISRCx
I2CSTRx
Enable
Interrupt
I2CIERx
Interrupt/DMA
I2C0 Module
NOTE A: Shading denotes control/status registers.
Figure 29. I2C0 Module Block Diagram
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