PORTA—Port A Register
Bit
:
Initial value
:
Undefined
R/W
:
Note: * Determined by status of pins PA3 to PA0.
PORTB—Port B Register
Bit
:
Initial value
:
R/W
:
Note: * Determined by status of pins PB7 to PB0.
PORTC—Port C Register
Bit
:
Initial value
:
R/W
:
Note: * Determined by status of pins PC7 to PC0.
PORTD—Port D Register
Bit
:
Initial value
:
R/W
:
Note: * Determined by status of pins PC7 to PC0.
1102
7
6
—
—
Undefined
Undefined
—
—
7
6
PB7
PB6
—*
—*
R
R
7
6
PC7
PC6
—*
—*
R
R
7
6
PD7
PD6
—*
—*
R
R
H'FFB9
5
4
—
—
Undefined
—
—
H'FFBA
5
4
PB5
PB4
—*
—*
R
R
H'FFBB
5
4
PC5
PC4
—*
—*
R
R
H'FFBC
5
4
PD5
PD4
—*
—*
R
R
3
2
PA3
PA2
—*
—*
R
R
3
2
PB3
PB2
—*
—*
R
R
3
2
PC3
PC2
—*
—*
R
R
3
2
PD3
PD2
—*
—*
R
R
Port
1
0
PA1
PA0
—*
—*
R
R
Port
1
0
PB1
PB0
—*
—*
R
R
Port
1
0
PC1
PC0
—*
—*
R
R
Port
1
0
PD1
PD0
—*
—*
R
R