Figure 17.15 Iric Flag Timing And Scl Control (3) - Renesas H8S/2158 User Manual

When FS = 1 while FSX = 1 (synchronous serial format)
SCL
7
SDA 7
IRIC
User processing
(a) Data transfer ends with ICDRE = 0 for transmission or ICDRF = 0 for reception
SCL
7
SDA 7
IRIC
User processing
(b) Data transfer ends with ICDRE = 1 for transmission or ICDRF = 1 for reception

Figure 17.15 IRIC Flag Timing and SCL Control (3)

8 1 2
8 1 2
Clear IRIC
8
8
Clear IRIC Write to ICDR (transmit)
or read from ICDR (receive)
Rev. 3.00 Jan 25, 2006 page 529 of 872
2
Section 17 I C Bus Interface (IIC)
3 4
3 4
1
1
Clear IRIC
REJ09B0286-0300