p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 458

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 16 I
Rev. 1.00 Sep. 21, 2006 Page 420 of 658
REJ09B0310-0100
When WAIT = 1, and FS = 0 or FSX = 0 (I
(a) Data transfer ends with ICDRE=0 at transmission, or ICDRF=0 at reception.
(b) Data transfer ends with ICDRE=1 at transmission, or ICDRF=1 at reception.
SCL
SDA
IRIC
User processing
SCL
SDA
IRIC
User processing
2
C Bus Interface (IIC)
8
8
8
8
Figure 16.26 IRIC Setting Timing and SCL Control (2)
Clear IRIC
Clear IRIC
2
C bus format, wait inserted)
9
9
A
A
Clear IRIC
1
1
Write to ICDR (transmit)
or read from ICDR (receive)
2
2
1
1
3
3
Clear IRIC