HD6432646 Hitachi, HD6432646 Datasheet - Page 1107

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

PORTA—Port A Register
PORTB—Port B Register
PORTC—Port C Register
Bit
Initial value
Read/Write
Note: * Determined by state of pins PA7 to PA0.
Bit
Initial value
Read/Write
Note: * Determined by state of pins PB7 to PB0.
Bit
Initial value
Read/Write
Note: * Determined by state of pins PC7 to PC0.
PC7
PA7
PB7
—*
—*
—*
R
R
R
7
7
7
PA6
PB6
PC6
—*
—*
—*
R
R
R
6
6
6
PC5
PA5
PB5
—*
—*
—*
R
R
R
5
5
5
State of the port C pins
State of the port A pins
State of the port B pins
PC4
PA4
PB4
—*
—*
—*
R
R
R
4
4
4
H'FFB9
H'FFBA
H'FFBB
PA3
PB3
PC3
—*
—*
—*
R
R
R
3
3
3
PA2
PB2
PC2
—*
—*
—*
R
R
R
2
2
2
PC1
PA1
PB1
—*
—*
—*
R
R
R
1
1
1
PC0
PA0
PB0
—*
—*
—*
R
R
R
0
0
0
Port
Port
Port
1073