HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 722

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 20
Note: In master mode, a transfer rate of 300 kHz or lower should be used.
20.4
20.4.1
Figure 20.3 shows the I
following a start condition always consists of 8 bits.
Rev. 3.00 Jan. 18, 2008 Page 660 of 1458
REJ09B0033-0300
Bit 4
CKS4 CKS3 CKS2 CKS1 CKS0
1
1
1
(a) I
(b) I
S
1
S
1
2
2
C bus format (FS = 0)
C bus format (Start condition retransmission, FS = 0)
In slave mode, a transfer rate of 400 kHz or lower should be used.
Bit 3
1
1
1
Operation
I
SLA
SLA
2
C Bus Format
7
7
I
2
C Bus Interface (IIC)
Bit 2
1
1
1
1
1
R/W
R/W
1
1
Bit 1
0
1
1
2
C bus formats. Figure 20.4 shows the I
A
A
1
1
Bit 0
1
0
1
DATA
DATA
n1
Figure 20.3
n
Peripheral
Clock
Pφ/800
Pφ/896
Pφ/1024
m1
A
1
A/A
m
1
Pφ = 10
MHz
13kHz
11kHz
10kHz
I
S
1
2
C Bus Formats
n1 and n2: Transfer bit count (n1 and n2 = 1 to 8)
m1 and m2: Transfer frame count (m1 and m2 ≥ 1)
Pφ = 16
MHz
20kHz
18kHz
16kHz
SLA
A/A
1
7
P
1
1
2
R/W
C bus timing. The first frame
Pφ = 20
MHz
25kHz
22kHz
20kHz
1
Transfer Rate
m: Transfer frame count
n: Transfer bit count
A
(n = 1 to 8)
1
(m ≥ 1)
Pφ = 25
MHz
31kHz
28kHz
24kHz
DATA
n2
m2
Pφ = 30
MHz
38kHz
33kHz
29kHz
A/A
1
Pφ = 32
MHz
40kHz
36kHz
31kHz
1
P