Table 16.3 I 2 C Transfer Rate - Renesas H8S Series Hardware Manual

2
Section 16 I C Bus Interface (IIC)
2
Table 16.3 I C Transfer Rate
STCR ICMR
Bits 5
and 6 Bit 5 Bit 4
IICX CKS2 CKS1
0 0 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 0
1 0 1
1 0 1
1 1 0
1 1 0
1 1 1
1 1 1
Note: Correct operation cannot be guaranteed since the transfer rate is beyond the I
*
interface specification (normal mode: maximum 100 kHz, high-speed mode: maximum
400 kHz).
Rev. 3.00 Jul. 14, 2005 Page 516 of 986
REJ09B0098-0300
Bit 3
φ = 5 MHz
CKS0 Clock
φ/28
0 179 kHz
φ/40
1 125 kHz
φ/48
0 104 kHz
φ/64
1 78.1 kHz
φ/80
0 62.5 kHz
φ/100
1 50.0 kHz
φ/112
0 44.6 kHz
φ/128
1 39.1 kHz
φ/56
0 89.3 kHz
φ/80
1 62.5 kHz
φ/96
0 52.1 kHz
φ/128
1 39.1 kHz
φ/160
0 31.3 kHz
φ/200
1 25.0 kHz
φ/224
0 22.3 kHz
φ/256
1 19.5 kHz
Transfer Rate
φ = 8 MHz φ = 10 MHz φ = 16 MHz φ = 20 MHz
286 kHz 357 kHz
200 kHz 250 kHz
167 kHz 208 kHz
125 kHz 156 kHz
100 kHz 125 kHz
80.0 kHz 100 kHz
71.4 kHz 89.3 kHz
62.5 kHz 78.1 kHz
143 kHz 179 kHz
100 kHz 125 kHz
83.3 kHz 104 kHz
62.5 kHz 78.1 kHz
50.0 kHz 62.5 kHz
40.0 kHz 50.0 kHz
35.7 kHz 44.6 kHz
31.3 kHz 39.1 kHz
571 kHz * 714 kHz *
*
400 kHz 500 kHz
*
333 kHz 417 kHz
250 kHz 3136 kHz
200 kHz 250 kHz
160 kHz 200 kHz
143 kHz 179 kHz
125 kHz 156 kHz
286 kHz 357 kHz
200 kHz 250 kHz
167 kHz 208 kHz
125 kHz 156 kHz
100 kHz 125 kHz
80.0 kHz 100 kHz
71.4 kHz 89.3 kHz
62.5 kHz 78.1 kHz
2
C bus