Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 19 I
2
C BUS
R01UH0042EJ0500 Rev.5.00 Page 891 of 1513
Aug 12, 2011
Figure 19-24. Example of Slave to Master Communication
(When 8-Clock Wait for Master and 9-Clock Wait for Slave Are Selected) (3/3)
(c) Stop condition
IICn
ACKDn
STDn
SPDn
WTIMn
H
H
L
L
L
ACKEn
MSTSn
STTn
SPTn
WRELn
INTIICn
TRCn
IICn
ACKDn
STDn
SPDn
WTIMn
ACKEn
MSTSn
STTn
SPTn
WRELn
INTIICn
TRCn
SCL0n
SDA0n
12345678 9 1
D7 D6 D5 D4 D3 D2 D1 D0 AD6
IICn ← address
IICn ← FFH Note 1
Note 1
Note 1, 3
IICn ← data Note 2
NACK
(when SPIEn = 1)
IICn ← FFH Note 1
Note 3
Processing by master device
Receive
Transfer lines
Processing by slave device
Stop
condition
Start
condition
Transmit
(When SPIEn = 1)
Receive
Notes 1. To cancel the wait state, write FFH to IICn or set WRELn.
2. Cancel the wait during a slave transmission by writing to IICn, not by setting WRELn.
3. When the wait during a slave transmission is canceled by setting WRELn, TRCn is cleared.
Remark n = 0 to 2