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CHAPTER 11 SERIAL INTERFACE FUNCTION
User’s Manual U15109EJ3V0UD
429
Figure 11-40. 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
SCLn
SDAn
Processing by master device
Transfer lines
Processing by slave device
1
9
8
2
3
4
5
6
7
8
9
3
2
1
D7
D0
D6
D5
D4
D3
D2
D1
D0
D5
D6
D7
IICn
←
data
IICn
←
FFH
Note
IICn
←
FFH
Note
IICn
←
data
Transmit
Receive
Note
Note
Note
To cancel slave wait, write FFH to IICn or set WRELn.
Remark
n = 0, 1