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2
Section 18 I
C Bus Interface (IIC)
When WAIT = 1, and FS = 0 or FSX = 0 (I
SCL
8
SDA
8
IRIC
User processing
(a) Data transfer ends with ICDRE=0 at transmission, or ICDRF=0 at reception.
SCL
8
SDA
8
IRIC
User processing
(b) Data transfer ends with ICDRE=1 at transmission, or ICDRF=1 at reception.
Figure 18.26 IRIC Setting Timing and SCL Control (2)
Rev. 1.00 Mar. 12, 2008 Page 644 of 1178
REJ09B0403-0100
2
C bus format, wait inserted)
9
A
Clear IRIC
Clear IRIC
9
A
Clear IRIC
1
2
1
2
Write to ICDR (transmit)
or read from ICDR (receive)
3
3
1
1
Clear IRIC
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