D12320VF25V Datasheet, PDF (1037/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

PORT4—Port 4 Register
Appendix B Internal I/O Registers
H'FF53
Port 4
Bit
:
7
P47
Initial value : ⎯*
Read/Write :
R
6
5
4
3
2
1
0
P46
P45
P44
P43
P42
P41
P40
⎯*
⎯*
⎯*
⎯*
⎯*
⎯*
⎯*
R
R
R
R
R
R
R
State of port 4 pins
Note: * Determined by the state of pins P47 to P40.
PORTA—Port A Register
H'FF59
Bit
:
7
6
5
4
3
2
⎯
⎯
⎯
⎯
PA3 PA2
Initial value : Undefined Undefined Undefined Undefined ⎯*
⎯*
Read/Write : ⎯
⎯
⎯
⎯
R
R
1
PA1
⎯*
R
Port A
0
PA0
⎯*
R
Note: * Determined by the state of pins PA3 to PA0.
State of port A pins
PORTB—Port B Register
H'FF5A
Port B
Bit
:
7
PB7
Initial value : ⎯*
Read/Write :
R
6
5
4
3
2
PB6 PB5 PB4 PB3 PB2
⎯*
⎯*
⎯*
⎯*
⎯*
R
R
R
R
R
1
0
PB1 PB0
⎯*
⎯*
R
R
State of port B pins
Note: * Determined by the state of pins PB7 to PB0.
Rev.7.00 Feb. 14, 2007 page 1003 of 1108
REJ09B0089-0700