Datasheet

V850ES/JG3 CHAPTER 17 I
2
C BUS
R01UH0015EJ0300 Rev.3.00 Page 607 of 870
Sep 30, 2010
Figure 17-23. Example of Master to Slave Communication
(When 9-Clock Wait Is Selected for Both Master and Slave) (2/3)
(b) Data
IICn
ACKDn
STDn
SPDn
WTIMn
H
H
L
L
L
L
L
L
H
H
H
H
L
L
L
L
L
ACKEn
MSTSn
STTn
SPTn
WRELn
INTIICn
TRCn
IICn
ACKDn
STDn
SPDn
WTIMn
ACKEn
MSTSn
STTn
SPTn
WRELn
INTIICn
TRCn
SCL0n
SDA0n
Processing by master device
Transfer lines
Processing by slave device
198 23456789 321
D7D0 D6 D5 D4 D3 D2 D1 D0 D5D6D7
IICn
← data
IICn
← FFH Note IICn ← FFH Note
IICn
← data
Transmit
Receive
Note Note
ACKACK
Note To cancel slave wait, write FFH to IICn or set WRELn.
Remark n = 0 to 2