HD64F3437TF16 Datasheet, PDF (702/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

ICMR—I²C Bus Mode Register
H'DF
I²C
Bit
7
6
5
4
3
2
1
0
MLS WAIT
—
—
—
BC2 BC1 BC0
Initial value
0
0
1
1
1
0
0
0
Read/Write
R/W
R/W
—
—
—
R/W R/W R/W
Bit Counter
Bits/Frame
BC2 BC1 BC0
Serial Mode Acknowledgement Mode
000
8
9
1
1
2
10
2
3
1
3
4
100
4
5
1
5
6
10
6
7
1
7
8
Wait Insertion Bit
0 Data and acknowledge transferred consecutively
1 Wait inserted between data and acknowledge
MSB-First/LSB-First
0 MSB-first
1 LSB-first
673