upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 280

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

280
Note To cancel slave 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
ACKE
ACKE
WTIM
WTIM
STD
SPD
TRC
SDA
STD
SPD
TRC
STT
SPT
SCL
STT
SPT
IIC0
IIC0
(When 9-Clock Wait Is Selected for Both Master and Slave) (1/3)
Start condition
Figure 10-21. Example of Master to Slave Communication
L
H
H
H
H
H
L
L
L
L
L
Receive
IIC0
AD6 AD5 AD4 AD3 AD2 AD1 AD0
CHAPTER 10
Transmit
←
1
address
2
(a) Start condition ~ address
User’s Manual U12768EJ4V1UD
3
SERIAL INTERFACE FUNCTION
4
5
(When EXC = 1)
6
7
W
8
ACK
9
IIC0
D7
1
IIC0
←
Note
D6
data
2
←
FFH
D5
3
Note
D4
4