Motorola MCF5281 用户手册

24-2

MOTOROLA

 

• Acknowledge bit generation/detection
• Bus-busy detection

2

C module.

2

C registers, listed below:

• I

2

C address register (I2ADR)

• I

2

C frequency divider register (I2FDR)

• I

2

C control register (I2CR)

• I

2

C status register (I2SR)

I

2

C data I/O register (I2DR)These registers are described in Section 24.5, “Programming

Address

Compare

In/Out

Data

Shift 

Start, Stop, 

Input

Sync

Clock

Control

Registers and ColdFire Interface

Address Decode

I

2

C Address 

Data MUX

SDA

SCL

Address

IRQ

Data

and

Arbitration 

Control

Register

Internal Bus

Register

(IADR)

I

2

C Frequency

Divider Register

(IFDR)

I

2

C Data 

I/O Register

(I2DR)

I

2

C Status

Register

(I2SR)

I

2

C Control

Register

(I2CR)