Datasheet

Section 18 I
2
C Bus Interface 2 (IIC2)
Rev. 3.00 Mar. 15, 2006 Page 365 of 526
REJ09B0060-0300
4. The last byte data is read by reading ICDRR.
ICDRS
ICDRR
12 1345678 99
AA
RDRF
Data 1 Data 2
Data 1
SCL
(Master output)
SDA
(Master output)
SDA
(Slave output)
SCL
(Slave output)
Bit 7 Bit 7Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
[2] Read ICDRR (dummy read)
[2] Read ICDRR
User
processing
Figure 18.11 Slave Receive Mode Operation Timing (1)
ICDRS
ICDRR
12345678 99
AA
RDRF
SCL
(Master output)
SDA
(Master output)
SDA
(Slave output)
SCL
(Slave output)
User
processing
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Data 1
[3] Set ACKBT
[3] Read ICDRR
[4] Read ICDRR
Data 2
Data 1
Figure 18.12 Slave Receive Mode Operation Timing (2)