HD6432621 Hitachi, HD6432621 Datasheet - Page 1032

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

PORT9—Port 9 Register
PORTA—Port A Register
PORTB—Port B Register
988
Bit
Initial value
Read/Write
Notes: *1 Determined by the state of pins PA5 to PA0.
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: * Determined by the state of pins PB7 to PB0.
Note: * Determined by the state of pins P97 to P90.
*2 Reserved bits in the H8S/2626 Series.
:
:
:
:
:
:
:
:
:
Undefined
PB7
P97
—*
—*
—
—
R
R
7
7
7
Undefined
PB6
P96
—*
—*
—
—
R
R
6
6
6
PA5
PB5
—
P95
—*
—*
R
R
R
5
5
5
*1
*2
State of port B pins
State of port 9 pins
PA4
PB4
—
P94
—*
—*
R
R
R
4
4
4
*1
*2
H'FFB8
H'FFB9
H'FFBA
State of port A pins
PA3
—
PB3
P93
—*
—*
R
R
R
3
3
3
*1
PA2
PB2
—
P92
—*
—*
R
R
R
2
2
2
*1
PA1
PB1
—
P91
—*
—*
R
R
R
1
1
1
*1
PA0
—
PB0
P90
—*
—*
R
Port A
Port B
R
R
0
0
0
Port 9
*1