Rev. 2.0, 11/00, page 990 of 1037
H'D15F: I
2
C Bus Mode Register ICMR: IIC Bus Interface
7
MLS
0
R/W
6
WAIT
0
R/W
5
CKS2
0
R/W
4
CKS1
0
R/W
3
CKS0
0
R/W
0
BC0
0
R/W
2
BC2
0
R/W
1
BC1
0
R/W
MSB-first/LSB-first select
0 MSB-first
1 LSB-first
Wait insertion bit
0 Data and acknowledge bits transferred consecutively
1 Wait inserted between data and acknowledge bits
Transfer clock select bits
Bit counter
Bit/frame
BC2 BC1 BC0 Clock sync I
2
C bus format
serial format
0 0 0 8 9
1 1 2
1 0 2 3
1 3 4
0 0 0 4 5
1 5 6
1 0 6 7
1 7 8
Bit :
Initial value :
R/W :
Note:
*
See STCR Bit 6.
IICX
*
CKS2 CKS1 CKS0 Clock Transfer rate
φ
=5 MHz
φ
=8 MHz
φ
=10 MHz
0 0 0 0
φ
/28 179 kHz 286 kHz 357 kHz
1
φ
/40 125 kHz 200 kHz 250 kHz
1 0
φ
/48 104 kHz 167 kHz 208 kHz
1
φ
/64 78.1 kHz 125 kHz 156 kHz
1 0 0
φ
/80 62.5 kHz 100 kHz 125 kHz
1
φ
/100 50.0 kHz 80.0 kHz 100 kHz
1 0
φ
/112 44.6 kHz 71.4 kHz 89.3 kHz
1
φ
/128 39.1 kHz 62.5 kHz 78.1 kHz
1 0 0 0
φ
/56 89.3 kHz 143 kHz 179 kHz
1
φ
/80 62.5 kHz 100 kHz 125 kHz
1 0
φ
/96 52.1 kHz 83.3 kHz 104 kHz
1
φ
/128 39.1 kHz 62.5 kHz 78.1 kHz
1 0 0
φ
/160 31.3 kHz 50.0 kHz 62.5 kHz
1
φ
/200 25.0 kHz 40.0 kHz 50.0 kHz
1 0
φ
/224 22.3 kHz 35.7 kHz 44.6 kHz
1
φ
/256 19.5 kHz 31.3 kHz 39.1 kHz
Summary of Contents for Hitachi H8S/2191
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