H8S-2345 Datasheet, PDF (825/927 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer

Reserved Register
Bit
:
7
—
Initial value :
0
Read/Write :
—
Appendix B Internal I/O Register
H'FF44
6
5
4
3
2
1
0
—
—
—
—
—
—
—
0
0
0
0
0
0
0
—
R/W
—
—
—
—
—
Reserved
Only 0 should be written to these bits
Reserved Register
H'FF45
Bit
:
7
6
5
4
3
2
1
0
—
—
—
—
—
—
—
—
Initial value :
0
0
0
0
1
1
1
1
Read/Write : R/W
R/W
R/W
R/W R/W R/W
R/W
R/W
Reserved
PORT1—Port 1 Register
H'FF50
Port 1
Bit
:
7
6
5
4
3
2
1
0
P17
P16
P15
P14
P13
P12
P11
P10
Initial value : —*
—*
—*
—*
—*
—*
—*
—*
Read/Write :
R
R
R
R
R
R
R
R
State of port 1 pins
Note: * Determined by the state of pins P1₇ to P1₀.
Rev. 4.00 Feb 15, 2006 page 801 of 900
REJ09B0291-0400