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Program
processing
Hardware
processing
SCL
1
2
3
SDA
The communication reservation is acknowledged at the following timings. The communication reservation
is made by setting the STT of IICC = 1 before stop condition detection after STD of IICS = 1 is set.
SCL
SDA
STD
SPD
274
CHAPTER 8 SERIAL INTERFACE FUNCTION
Figure 8-22. Communication Reservation Timing
STT
= 1
Commu-
nication
reserva-
tion
4
5
6
7
8
9
Wait status
User's Manual U11969EJ3V0UM00
IIC write
Setting SPD
Setting
and INTIIC
STD
1
2
3
Output by the master which
has occupied the bus
4
5
6
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