upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 284

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

284
Note To cancel master wait, write FFH to IIC0 or set WREL.
INTIIC0
INTIIC0
Processing by master device
Transfer lines
WREL
WREL
ACKD
MSTS
Processing by slave device
ACKD
MSTS
WTIM
ACKE
WTIM
ACKE
SPD
TRC
SDA
SPD
TRC
STD
STD
STT
SPT
SCL
STT
SPT
IIC0
IIC0
D0
8
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
Receive
Transmit
ACK
9
(When 9-Clock Wait Is Selected for Both Master and Slave) (2/3)
Figure 10-22. Example of Slave to Master Communication
IIC0 ← data
CHAPTER 10
D7
IIC0 ← FFH Note
1
Note
D6
2
User’s Manual U12768EJ4V1UD
D5
3
SERIAL INTERFACE FUNCTION
D4
4
(b) Data
D3
5
D2
6
D1
7
D0
8
ACK
9
IIC0 ← data
D7
1
IIC0 ← FFH Note
Note
D6
2
D5
3