h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 1012

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

Appendix B Internal I/O Registers
IDR1—Input Data Register 1
IDR2—Input Data Register 2
ODR1—Output Data Register 1
ODR2—Output Data Register 2
TISR—Timer Input Select Register
Rev. 4.00 Jun 06, 2006 page 958 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
Bit
Initial value
Slave R/W
Host R/W
Bit
Initial value
Slave R/W
Host R/W
ODR7
—
—
IDR7
7
1
R/W
—
—
W
R
R
7
7
Stores host data bus contents at rise of IOW when CS is low
ODR6
—
—
IDR6
6
1
R/W
—
—
W
R
R
6
6
Input select
0
1
ODR contents are output to the host data bus
when HA0 is low, CS is low, and IOR is low
ODR5
—
—
IDR5
5
1
R/W
IVG signal is selected (H8S/2138 Group)
External clock/reset input is disabled (H8S/2134 Group)
VSYNCI/TMIY (TMCIY/TMRIY) is selected
—
W
—
R
R
5
5
ODR4
—
—
IDR4
4
1
R/W
—
—
W
R
R
4
4
H'FFF5
H'FFFD
H'FFF4
H'FFFC
H'FFF5
ODR3
—
—
IDR3
3
1
R/W
—
W
—
R
R
3
3
ODR2
—
—
IDR2
2
1
R/W
—
W
—
R
R
2
2
ODR1
—
—
IDR1
1
1
R/W
—
W
—
R
R
1
1
R/W
ODR0
IS
IDR0
0
0
R/W
—
—
W
R
R
0
0
TMRY
HIF
HIF
HIF
HIF