Fujitsu F2MC-16LX Hardware Manual page 441

I Block diagram of the I
Figure 22.1-1 "Block Diagram of I
2
C interface
2
C Interface" shows a block diagram of the I
Figure 22.1-1 Block Diagram of I
ICCR
EN 2
I C enable
Clock divider 1
5 6 7
ICCR
CS4
Clock selector 1
CS3
Clock divider 2
CS2
2 4 8 16 32 64 128 256
CS1
CS0
Clock selector 2
IBSR
Bus busy
BB
Repeat start
RSC
Last Bit
condition detection
LRB
Transmit/
receive
TRX
FBT
AL Arbitration lost detection
IBCR
BER
BEIE
Interrupt request
INTE
INT
IBCR
Start
SCC
Master
MSS
ACK permit
condition generation
ACK
GC-ACK permit
GCAA
IDAR
IBCR
Slave
AAS
Slave address
Global call
compare
GCA
IADR
2
C Interface
Peripheral clock
8
Sync
Shift clock generator
Shift clock
edge change
timing
Start/stop
Error
First Byte
IRQ
End
Start/stop
2
CHAPTER 22 I C INTERFACE
2
C interface.
SCL
SDA
425