Slave Operation Flow Chart - NEC V850/SA1 mPD703015 Preliminary User's Manual

(2) Slave operation
An example of slave operation is shown below.
IICC0 ← ××H
No
Start IIC0 write transfer.
Data processing
Detect restart condition
or stop condition.
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CHAPTER 10 SERIAL INTERFACE FUNCTION
Figure 10-25. Slave Operation Flow Chart
START
IICE=1
No
INTIIC0=1?
Yes
Yes
EXC=1?
No
COI=1?
Yes
No
TRC=1?
Yes
WTIM=1
No
INTIIC0=1
Yes
Yes
ACKD=1 ?
No
No
Communicate?
Yes
WTIM=0
ACKE=1
WREL=1
Start reception.
INTIIC0=1?
Yes
Data processing
Transfer completed?
Yes
ACKE=0
LREL=1
No
No