NEC Renesas V850/SC1 User Manual page 432

(When 9-Clock Wait Is Selected for Both Master and Slave) (3/3)
Processing by master device
IICn IICn
ACKDn
STDn
SPDn
WTIMn
H
ACKEn H
MSTSn
STTn
SPTn
WRELn L
INTIICn
TRCn Transmit
H
Transfer lines
SCLn
SDAn D7
Processing by slave device
IICn
ACKDn
STDn
SPDn
WTIMn H
H
ACKEn
MSTSn
L
STTn
L
SPTn
L
WRELn
INTIICn
TRCn L Receive
Note To cancel slave wait, write FFH to IICn or set WRELn.
Remark n = 0, 1
430
CHAPTER 11 SERIAL INTERFACE FUNCTION
Figure 11-40. Example of Master to Slave Communication
(c) Stop condition
←
data
1 2 3 4 5 6
D6 D5 D4 D3 D2
←
IICn FFH Note
Note
User's Manual U15109EJ3V0UD
7 8 9
D1 D0
Stop
condition
←
IICn FFH Note
Note
(When SPIEn = 1)
←
IICn address
(When SPIEn = 1)
1 2
AD6 AD5
Start
condition