Table 17.3 I 2 C Transfer Rate - Renesas H8S/2158 User Manual

2
Section 17 I C Bus Interface (IIC)
2
Table 17.3 I C Transfer Rate
STCR ICMR
Bit 6/5 Bit 5 Bit 4
IICX1/
IICX0 CKS2 CKS1
0 0 0
1
1 0
1
1 0 0
1
1 0
1
Note: * Outside the I
mode: max. 400 kHz)
Rev. 3.00 Jan 25, 2006 page 484 of 872
REJ09B0286-0300
Bit 3
φ φ φ φ = 5
Clock
CKS0 MHz
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
2
C bus interface specifications (standard mode: max. 100 kHz; high-speed
Transfer Rate
φ φ φ φ = 8 φ φ φ φ = 10 φ φ φ φ = 12
MHz MHz MHz
286 357 429
kHz *
kHz kHz
200 250 300
kHz kHz kHz
167 208 250
kHz kHz kHz
125 156 188
kHz kHz kHz
100 125 150
kHz kHz kHz
80.0 100 120
kHz kHz kHz
71.4 89.3 107
kHz kHz kHz
62.5 78.1 93.8
kHz kHz kHz
143 179 212
kHz kHz kHz
100 125 150
kHz kHz kHz
83.3 104 125
kHz kHz kHz
62.5 78.1 93.8
kHz kHz kHz
50.0 62.5 75.0
kHz kHz kHz
40.0 50.0 60.0
kHz kHz kHz
35.7 44.6 53.5
kHz kHz kHz
31.3 39.1 46.9
kHz kHz kHz
φ φ φ φ = 16 φ φ φ φ = 20 φ φ φ φ = 24
MHz MHz MHz
517 714 857
kHz * kHz * kHz *
400 500 600
kHz * kHz *
kHz
333 417 500
kHz * kHz *
kHz
250 313 375
kHz kHz kHz
200 250 300
kHz kHz kHz
160 200 240
kHz kHz kHz
143 179 214
kHz kHz kHz
125 156 188
kHz kHz kHz
286 357 429
kHz kHz kHz
200 250 300
kHz kHz kHz
167 208 250
kHz kHz kHz
125 156 188
kHz kHz kHz
100 125 150
kHz kHz kHz
80.0 100 120
kHz kHz kHz
71.4 89.3 107
kHz kHz kHz
62.5 78.1 93.8
kHz kHz kHz