Figure 16.27 Iric Setting Timing And Scl Control (3) - Renesas H8S Series Hardware Manual

2
Section 16 I C Bus Interface (IIC)
When FS = 1 and FSX = 1 (clocked synchronous serial format)
SCL
7
SDA
7
IRIC
User processing
(a) Data transfer ends with ICDRE=0 at transmission, or ICDRF=0 at reception.
SCL
7
SDA
7
IRIC
User processing
(b) Data transfer ends with ICDRE=1 at transmission, or ICDRF=1 at reception.

Figure 16.27 IRIC Setting Timing and SCL Control (3)

Rev. 3.00 Jul. 14, 2005 Page 564 of 986
REJ09B0098-0300
8 1
8 1
Clear IRIC
8
8
Clear IRIC
2 3
2 3
Write to ICDR (transmit)
or read from ICDR (receive)
4
4
1
1
Clear IRIC