D12320VF25IV Datasheet, PDF (1176/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
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.
PORT2—Port 2 Register
H'FF51
Port 2
Bit
:
7
6
5
4
3
2
1
0
P27
P26
P25
P24
P23
P22
P21
P20
Initial value : —*
—*
—*
—*
—*
—*
—*
—*
Read/Write :
R
R
R
R
R
R
R
R
State of port 2 pins
Note: * Determined by the state of pins P2₇ to P2₀.
PORT3—Port 3 Register
H'FF52
Port 3
Bit
:7
6
5
4
3
2
1
0
—
—
P35
P34
P33
P32
P31
P30
Initial value : Undefined Undefined —*
—*
—*
—*
—*
—*
Read/Write : —
—
R
R
R
R
R
R
State of port 3 pins
Note: * Determined by the state of pins P3₅ to P3₀.
Rev.6.00 Sep. 27, 2007 Page 1144 of 1268
REJ09B0220-0600