Datasheet

Appendix B Internal I/O Registers
Rev.6.00 Sep. 27, 2007 Page 1146 of 1268
REJ09B0220-0600
PORTA—Port A Register H'FF59 Port A
7
PA7
—*
R
6
PA6
—*
R
5
PA5
—*
R
4
PA4
—*
R
3
PA3
—*
R
0
PA0
—*
R
2
PA2
—*
R
1
PA1
—*
R
State of port A pins
Note: * Determined by the state of pins PA
7
to PA
0
.
Bit
Initial value
Read/Write
:
:
:
PORTB—Port B Register H'FF5A Port B
7
PB7
—*
R
6
PB6
—*
R
5
PB5
—*
R
4
PB4
—*
R
3
PB3
—*
R
0
PB0
—*
R
2
PB2
—*
R
1
PB1
—*
R
State of port B pins
Note: * Determined by the state of pins PB
7
to PB
0
.
Bit
Initial value
Read/Write
:
:
:
PORTC—Port C Register H'FF5B Port C
7
PC7
—*
R
6
PC6
—*
R
5
PC5
—*
R
4
PC4
—*
R
3
PC3
—*
R
0
PC0
—*
R
2
PC2
—*
R
1
PC1
—*
R
State of port C pins
Note: * Determined by the state of pins PC
7
to PC
0
.
Bit
Initial value
Read/Write
:
:
: