Transfer Flow Of I C Interface - Fujitsu F2MC-16LX Hardware Manual

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CHAPTER 22 I C INTERFACE
22.3.1 Transfer Flow of I
Figure 22.3-1 shows the 1-byte transfer flow from master to slave, and Figure 22.3-2
shows the 1-byte transfer flow from slave to master.
Transfer Flow of I
Master
IDAR: Writing
MSS: Writing 1
BB set, TRX set
LRB reset
INT set,TRX set
IDAR: Writing
INT : Writing 0
LRB reset
INT set
MSS: Writing 0
INT reset
BB reset,TRX reset
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C Interface
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C Interface
Figure 22.3-1 1-byte Transfer Flow from the Master to Slave
Address data transfer
Start
Start condition
Acknowledgement
Interrupt
Data transfer
Acknowledgement
Interrupt
Stop condition
End
Slave
BB set, TRX set
AAS set
INT set,TRX set
ACK: Writing 1
INT: Writing 0
INT set
IDAR: Read
INT: Writing 0
BB reset,TRX reset
AAS reset