NEC V850ES/KE1+ User Manual page 525

<R>
Processing by master device
IIC0
ACKD0
STD0
SPD0
WTIM0
ACKE0
MSTS0
STT0
SPT0
WREL0
INTIIC0
TRC0
Transfer lines
SCL0
SDA0
Processing by slave device
IIC0
ACKD0
STD0
SPD0
WTIM0
ACKE0
MSTS0
STT0
SPT0
WREL0
INTIIC0
TRC0
Note To cancel slave wait, write FFH to IIC0 or set WREL0.
CHAPTER 16 I
Figure 16-20. Example of Master to Slave Communication
(When 9-Clock Wait Is Selected for Both Master and Slave) (1/3)
(a) Start condition ~ address
←
IIC0 address
H
H
L
L
H Transmit
1 2 3 4
AD6 AD5 AD4 AD3 AD2 AD1 AD0
Start condition
H
H
L
L
L
L
Receive
User's Manual U16896EJ2V0UD
2
C BUS
5 6 7 8 9
W ACK
(when EXC0 = 1)
←
IIC0 data
1 2 3 4
D7 D6 D5 D4
←
Note
IIC0 FFH
Note
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