h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 539

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

16.3
16.3.1
The I
The I
(b) in figure 16.3. The first frame following a start condition always consists of 8 bits.
IIC channel 0 only is capable of formatless operation, as shown in figure 16.4.
The serial format is a non-addressing format with no acknowledge bit. This is shown in figure
16.5.
Figure 16.6 shows the I
The symbols used in figures 16.3 to 16.6 are explained in table 16.4.
(a) I
(b) I
S
S
1
1
2
2
2
2
C bus format (FS = 0 or FSX = 0)
C bus format (start condition retransmission, FS = 0 or FSX = 0)
C bus interface has serial and I
C bus formats are addressing formats with an acknowledge bit. These are shown in (a) and
Operation
I
SLA
SLA
2
C Bus Data Format
7
7
1
1
R/W
R/W
1
1
Figure 16.3 I
2
C bus timing.
A
A
1
1
DATA
DATA
n1
n
2
m1
C Bus Data Formats (I
2
C bus formats.
A
1
A/A
m
Section 16 I
1
S
1
transfer bit count (n1 and n2 = 1 to 8)
transfer frame count (m1 and m2
SLA
A/A
Rev. 4.00 Jun 06, 2006 page 485 of 1004
1
7
2
C Bus Interface [H8S/2138 Group Option]
2
C Bus Formats)
P
1
1
R/W
1
transfer frame count
(m
transfer bit count
(n = 1 to 8)
A
1
1)
DATA
n2
1)
REJ09B0301-0400
m2
A/A
1
1
P