Datasheet

Section 16 I2C Bus Interface 2 (IIC2)
R01UH0310EJ0500 Rev. 5.00 Page 961 of 1384
Sep 25, 2012
H8S/2426, H8S/2426R, H8S/2424 Group
Table 16.2 Transfer Rate
Bit 3 Bit 2 Bit 1 Bit 0
Transfer Rate
CKS3 CKS2 CKS1 CKS0 Clock φ = 8 MHz φ = 10 MHz φ = 20 MHz φ = 25 MHz φ = 33 MHz
0 φ/28 286 kHz 357 kHz 714 kHz* 893 kHz* 1179 kHz* 0
1 φ/40 200 kHz 250 kHz 500 kHz* 625 kHz* 825 kHz*
0 φ/48 167 kHz 208 kHz 417 kHz* 521 kHz* 688 kHz*
0
1
1 φ/64 125 kHz 156 kHz 313 kHz 391 kHz 516 kHz*
0 φ/168 47.6 kHz 59.5 kHz 119 kHz 149 kHz 196 kHz 0
1 φ/100 80.0 kHz 100 kHz 200 kHz 250 kHz 330 kHz
0 φ/112 71.4 kHz 89.3 kHz 179 kHz 223 kHz 295 kHz
0
1
1
1 φ/128 62.5 kHz 78.1 kHz 156 kHz 195 kHz 258 kHz
0 φ/56 143 kHz 179 kHz 357 kHz 446 kHz* 589 kHz* 0
1 φ/80 100 kHz 125 kHz 250 kHz 313 kHz 413 kHz*
0 φ/96 83.3 kHz 104 kHz 208 kHz 260 kHz 344 kHz
0
1
1 φ/128 62.5 kHz 78.1 kHz 156 kHz 195 kHz 258 kHz
0 φ/336 23.8 kHz 29.8 kHz 59.5 kHz 74.4 kHz 98.2 kHz 0
1 φ/200 40.0 kHz 50.0 kHz 100 kHz 125 kHz 165 kHz
0 φ/224 35.7 kHz 44.6 kHz 89.3 kHz 112 kHz 147 kHz
1
1
1
1 φ/256 31.3 kHz 39.1 kHz 78.1 kHz 97.7 kHz 129 kHz
Note: * Correct operation cannot be guaranteed since the transfer rate is beyond the I
2
C bus
interface specification (normal mode: maximum 100 kHz, high-speed mode: maximum
400 kHz).