Fujitsu FR60 Hardware Manual page 461

■ Block Diagram of the I
Figure 15.1-1 is a block diagram of the I
443
2
C Interface
Figure 15.1-1 Block Diagram of the I
ICCR
2
I C operation enable
EN
IDBL
Clock enable
DBL
ICCR
Clock division 2
CS4
CS3
2 3 4 5
CS2
CS1
Clock selection 2 (1/12)
CS0
IBSR
Bus busy
BB
Repeat start
Start-stop condition
RSC
Last Bit detection
LRB
Send/
receive
TRX
ADT
AL Arbitration lost detection
IBSR
IBCR
BER
BEIE
Interrupt request
INTE
INT
IBCR
Start
SCC
Master
Start-stop condition
MSS
ACK enable
generation
ACK
GC-ACK
enable
GCAA
IDAR
IBSR Slave
Slave address
Global
AAS
call
comparison
GCA
ISMK
FNSB
ITMK
ENTB RAL
ITBA
15.1 Overview of the I
2
C interface.
2
C Interface
CLKP
32 Sync
Shift clock edge change timing
Error
First Byte
IRQ
End
ITMK ISMK
ISBA
2
C Interface
Shift clock
generation
SCL1
SCL0
SDA
SDA0