upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 278

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

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Slave operation
The following is a flow chart of the slave operations.
No
Yes (transmit)
Start IIC0 write transfer.
Detect restart condition
or stop condition.
Data processing
IICC0
INTIIC0 = 1?
INTIIC0 = 1?
Wait release
Yes
ACKD = 1?
WREL = 1
WTIM = 1
EXC = 1?
TRC = 1?
COI = 1?
IICE = 1
START
←
CHAPTER 10
Yes
Yes
Figure 10-20. Slave Operation Flow Chart
No
No
××H
User’s Manual U12768EJ4V1UD
Yes
Yes
No
No (receive)
No
SERIAL INTERFACE FUNCTION
Communicate?
Yes
Transfer completed?
Data processing
Start reception.
INTIIC0 = 1?
WREL = 1
WREL = 1
ACKE = 1
ACKE = 0
WTIM = 0
Yes
Yes
No
LREL = 1
No
No