Renesas HD6417641 Manual De Usuario

Section 16   I

2

C Bus Interface 2 (IIC2) 

Rev. 4.00  Sep. 14, 2005  Page 474 of 982 

REJ09B0023-0400 

 

SCL

ICCR1

Transfer clock

generation

circuit

Address

comparator

Interrupt

generator

Interrupt 

request

Bus state

decision circuit

Arbitration

decision circuit

Noise canceler

Noise canceler

Output
control

Output
control

Transmission/

reception

control circuit

ICCR2

ICMR

ICSR

ICIER

ICDRR

ICDRS

ICDRT

I

2

C bus control register 1

I

2

C bus control register 2

I

2

C bus mode register 

I

2

C bus status register 

I

2

C bus interrupt enable register

I

2

C bus transmit data register 

I

2

C bus receive data register

I

2

C bus shift register

Slave address register
NF2CYC register 

[Legend]

ICCR1 :
ICCR2 :
ICMR :
ICSR :
ICIER :
ICDRT :
ICDRR :
ICDRS :
SAR :
NF2CYC:

SAR

SDA

Internal data bus

NF2CYC