h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 580

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 17 I
Rev. 3.00 Jan 25, 2006 page 528 of 872
REJ09B0286-0300
2
C Bus Interface (IIC)
When WAIT = 1 while FS = 0 or FSX = 0 (I
(a) Data transfer ends with ICDRE = 0 for transmission or ICDRF = 0 for reception
(b) Data transfer ends with ICDRE = 1 for transmission or ICDRF = 1 for reception
SCL
SDA
IRIC
User processing
SCL
SDA
IRIC
User processing
Figure 17.14 IRIC Flag Timing and SCL Control (2)
8
8
8
8
Clear
IRIC
Clear
IRIC
2
A
A
9
9
C bus format, wait inserted)
Clear
IRIC
1
1
Write to ICDR (transmit)
or read from ICDR (receive)
2
2
1
1
3
3
Clear
IRIC