h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 975

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

ICMR1—I
ICMR0—I
Bit
Initial value
Read/Write
2
2
C Bus Mode Register 1
C Bus Mode Register 0
MLS
R/W
Note: * Do not set this bit to 1 when the I
MSB-first/LSB-first select *
7
0
0
1
MSB-first
LSB-first
WAIT
R/W
Wait insertion bit
6
0
0
1
Data and acknowledge bits transferred consecutively
Wait inserted between data and acknowledge bits
Serial clock select
CKS2
IICX
R/W
0
1
5
0
Bit counter
CKS2
BC2
CKS1
0
1
0
1
R/W
0
1
4
0
CKS1
BC1
2
0
1
0
1
0
1
0
1
Rev. 4.00 Jun 06, 2006 page 921 of 1004
C bus format is used.
0
1
0
1
CKS0
H'FF8F
H'FFDF
R/W
3
0
CKS0
BC0
Appendix B Internal I/O Registers
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
BC2
R/W
2
0
Synchronous
serial format
/28
/40
/48
/64
/80
/100
/112
/128
/56
/80
/96
/128
/160
/200
/224
/256
Clock
8
1
2
3
4
5
6
7
BC1
R/W
1
0
REJ09B0301-0400
I
format
2
BC0
R/W
C bus
9
2
3
4
5
6
7
8
0
0
IIC1
IIC0