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CHAPTER 10 SERIAL INTERFACE FUNCTION
User’s Manual U13850EJ4V0UM
304
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Slave operation
An example of slave operation is shown below.
Figure 10-29. Slave Operation Flow Chart
IICCn
← ××
H
IICEn = 1
WRELn = 1
Start reception.
Detect restart condition
or stop condition.
START
ACKEn = 0
Data processing
Data processing
LRELn = 1
No
Yes
No
No
No
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
WTIMn = 0
ACKEn = 1
INTIICn = 1?
Yes
Communicate?
Transfer completed?
INTIICn = 1?
WTIMn = 1
Start IICn write transfer.
INTIICn = 1?
EXCn = 1?
COIn = 1?
TRCn = 1?
ACKDn = 1?
Remark
n = 0, 1