MB90F474LPF datasheet(56/118 Pages) FUJITSU

56 / 118 page

MB90470 Series

I2C Interface

The I2C interface is a serial I/O port supporting Inter IC bus operation, and operates as a master/slave device

on the I2C bus. The following features are provided.

• Master/slave sending and receiving

• Arbitration functions

• Clock synchronization functions

• Slave address/general call address detection functions

• Transfer direction detection function

• Start condition repeat generator and detection function

• Bus error detection function

(1) Register List

IBSR (bus status register)

IBCR (bus control register)

ICCR (clock control register)

IADR (address register)

IDAR (data register)

Bit no.

Address : 000088H

Read/write

Default value

Bit no.

Address : 000089H

Read/write

Default value

Bit no.

Address : 00008AH

Read/write

Default value

Bit no.

Address : 00008BH

Read/write

Default value

Bit no.

Address : 00008CH

Read/write

Default value

( R )

( 0 )

( R )

( 0 )

( R )

( 0 )

( R )

( 0 )

( R )

( 0 )

( R )

( 0 )

( R )

( 0 )

RSC

( R )

( 0 )

LRB

TRX

AAS

GCA

FBT

(R/W)

( 0 )

(R/W)

( 0 )

(R/W)

( 0)

(R/W)

( 0 )

(R/W)

( 0 )

(R/W)

( 0 )

(R/W)

( 0 )

BEIE

(R/W)

( 0 )

BER

SCC

MSS

ACK

GCAA

INTE

INT

(

 )

(

 )

(R/W)

( 0 )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )



(

 )

(

 )



CS4

CS3

CS2

CS1

CS0

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(

 )

(

 )



(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

(R/W)

( X )

MB90F474LPF Datasheet(PDF) 56 Page - fujitsu semiconductor

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