Block Diagram Of I 2 C Interface - Fujitsu FR60 Hardware Manual

16.3 Block Diagram of I
This section shows the block diagram of the I
■ Block Diagram (for 1 channel)
2
C Interface
Figure 16.3-1 Block Diagram of the I
ICCR
2
I C operation enable
EN
IDBL
DBL Clock enable
ICCR
Clock division 2
CS4
2 3 4 5
CS3
CS2
CS1
Clock selection 2 (1/12)
CS0
IBSR
Bus busy
BB
Repeat start
RSC
Start-stop condition
Last Bit
detection
LRB
Send/receive
TRX
ADT
Arbitration lost detection
AL
IBCR
BER
BEIE
Interrupt request
INTE
INT
IBCR
Start
SCC
Master
MSS
Start-stop condition
ACK enable
generation
ACK
GC-ACK
GCAA
enable
IDAR
IBSR
Slave
Slave address
AAS
Global call
comparison
GCA
ISMK
ENSB
ITMK
ENTB RAL
ITBA
2
C interface.
2
C Interface
CLKP
32
Sync
Shift clock generation
Shift clock edge change timing
Error
First Byte
IRQ
End
ISMK
ISBA
ITMK
2
CHAPTER 16 I C INTERFACE
SCL0/SCL1
SDA0/SDA1
453