H83694 Datasheet, PDF (263/450 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Section 15 I²C Bus Interface 2 (IIC2)
Initial
Bit
Bit Name Value R/W Description
3
CKS3
0
R/W Transfer Clock Select 3 to 0
2
CKS2
0
1
CKS1
0
0
CKS0
0
R/W These bits should be set according to the necessary
R/W ^{transfer rate (see table 15.2) in master mode. In slave}
mode, these bits are used for reservation of the setup time
R/W in transmit mode. The time is 10 t when CKS3 = 0 and 20
cyc
t_cyc when CKS3 = 1.
Table 15.2 Transfer Rate
Bit 3 Bit 2 Bit 1 Bit 0
Transfer Rate
CKS3 CKS2 CKS1 CKS0 Clock φ = 5 MHz φ = 8 MHz φ = 10 MHz φ = 16 MHz φ = 20 MHz
0
0
0
0
φ/28 179 kHz 286 kHz 357 kHz 571 kHz 714 kHz
1
φ/40 125 kHz 200 kHz 250 kHz 400 kHz 500 kHz
1
0
φ/48 104 kHz 167 kHz 208 kHz 333 kHz 417 kHz
1
φ/64 78.1 kHz 125 kHz 156 kHz 250 kHz 313 kHz
1
0
0
φ/80 62.5 kHz 100 kHz 125 kHz 200 kHz 250 kHz
1
φ/100 50.0 kHz 80.0 kHz 100 kHz 160 kHz 200 kHz
1
0
φ/112 44.6 kHz 71.4 kHz 89.3 kHz 143 kHz 179 kHz
1
φ/128 39.1 kHz 62.5 kHz 78.1 kHz 125 kHz 156 kHz
1
0
0
0
φ/56 89.3 kHz 143 kHz 179 kHz 286 kHz 357 kHz
1
φ/80 62.5 kHz 100 kHz 125 kHz 200 kHz 250 kHz
1
0
φ/96 52.1 kHz 83.3 kHz 104 kHz 167 kHz 208 kHz
1
φ/128 39.1 kHz 62.5 kHz 78.1 kHz 125 kHz 156 kHz
1
0
0
φ/160 31.3 kHz 50.0 kHz 62.5 kHz 100 kHz 125 kHz
1
φ/200 25.0 kHz 40.0 kHz 50.0 kHz 80.0 kHz 100 kHz
1
0
φ/224 22.3 kHz 35.7 kHz 44.6 kHz 71.4 kHz 89.3 kHz
1
φ/256 19.5 kHz 31.3 kHz 39.1 kHz 62.5 kHz 78.1 kHz
Rev.5.00 Nov. 02, 2005 Page 235 of 418
REJ09B0028-0500