Renesas H8S/2100 Series Hardware Manual page 528

2
Section 17 I C Bus Interface (IIC)
2
Table 17.4 I C Transfer Rate
STCR ICMR
Bits 5,
and 7 Bit 5 Bit 4
IICXn 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
Notes: n = 0 or 2
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. 1.00 May 09, 2008 Page 502 of 954
REJ09B0462-0100
Bit 3
φ = 8 MHz φ = 10 MHz φ = 16 MHz
CKS0 Clock
φ/28
0 286 kHz
φ/40
1 200 kHz
φ/48
0 167 kHz
φ/64
1 125 kHz
φ/80
0 100 kHz
φ/100
1 80.0 kHz
φ/112
0 71.4 kHz
φ/128
1 62.5 kHz
φ/56
0 143 kHz
φ/80
1 100 kHz
φ/96
0 83.3 kHz
φ/128
1 62.5 kHz
φ/160
0 50.0 kHz
φ/200
1 40.0 kHz
φ/224
0 35.7 kHz
φ/256
1 31.3 kHz
Transfer Rate
*
357 kHz 571 kHz
250 kHz 400 kHz
208 kHz 333 kHz
156 kHz 250 kHz
125 kHz 200 kHz
100 kHz 160 kHz
89.3 kHz 143 kHz
78.1 kHz 125 kHz
179 kHz 286 kHz
125 kHz 200 kHz
104 kHz 167 kHz
78.1 kHz 125 kHz
62.5 kHz 100 kHz
50.0 kHz 80.0 kHz
44.6 kHz 71.4 kHz
39.1 kHz 62.5 kHz
φ = 20 MHz φ = 25 MHz
* *
714 kHz 893 kHz
* *
500 kHz 625 kHz
* *
417 kHz 521 kHz
313 kHz 391 kHz
250 kHz 313 kHz
200 kHz 250 kHz
179 kHz 223 kHz
156 kHz 195 kHz
*
357 kHz 446 kHz
250 kHz 313 kHz
208 kHz 260 kHz
156 kHz 195 kHz
125 kHz 156 kHz
100 kHz 125 kHz
89.3 kHz 112 kHz
78.1 kHz 97.7 kHz
2
C bus