15.4
Operation
2
15.4.1
I
C Bus Format
Figure 15.3 shows the I
following a start condition always consists of 8 bits.
2
(a) I
C bus format
S
SLA
R/
1
7
1
1
2
(b) I
C bus format (start condition retransmission)
S
SLA
R/
1
7
1
1
SDA
SCL
S
Rev. 2.00, 05/03, page 602 of 820
2
C bus formats. Figure 15.4 shows the I
A
DATA
A
1
n
1
A
DATA
1
n1
m1
Figure 15.3 I
1-7
8
9
SLA
R/
A
Figure 15.4 I
2
A/
P
1
1
m
A/
S
SLA
1
1
7
1
n1 and n2: transfer bit count (n1 and n2 = 1 to 8)
m1 and m2: transfer frame count (m1 and m2 ≥ 1)
2
C Bus Formats
1-7
8
9
DATA
A
2
C Bus Timing
C bus timing. The first frame
n: transfer bit count
(n = 1 to 8)
m: transfer frame count
(m ≥ 1)
R/
A
DATA
1
1
n2
m2
1-7
8
9
DATA
A
A/
P
1
1
P