h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 990

• 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
P8DDR—Port 8 Data Direction Register
P7PIN—Port 7 Input Data Register
P8DR—Port 8 Data Register
Rev. 4.00 Jun 06, 2006 page 936 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: * Determined by state of pins P77 to P70.
P77PIN
—*
—
—
—
—
R
7
1
7
7
1
P86DDR
P76PIN
P86DR
R/W
—*
W
R
6
6
0
6
0
P85DDR
P75PIN
P85DR
Specification of input or output for port 8 pins
R/W
—*
W
R
5
0
5
5
0
P84DDR
P74PIN
P84DR
Port 7 pin states
Output data for port 8 pins
R/W
—*
W
R
4
0
4
4
0
P83DDR
P73PIN
P83DR
H'FFBE
H'FFBD
H'FFBF
R/W
—*
W
R
3
0
3
3
0
P82DDR
P72PIN
P82DR
R/W
—*
W
R
2
0
2
2
0
P81DDR
P71PIN
P81DR
R/W
—*
W
R
1
0
1
1
0
P80DDR
P70PIN
P80DR
R/W
—*
W
R
0
0
0
0
0
Port 8
Port 7
Port 8