HD6475348R Datasheet, PDF (439/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

P9DDR—Port 9 Data Direction Register
H'FEFE
Port 9
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P97DDR P96DDR P95DDR P94DDR P93DDR P92DDR P91DDR P90DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Port 9 Input/Output Selection
0 Input port
1 Output port
P9DR—Port 9 Data Register
H'FEFF
Port 9
Bit
Initial value
Read/Write
7
P97
0
R/W
6
P96
0
R/W
5
P95
0
R/W
4
P94
0
R/W
3
P93
0
R/W
2
P92
0
R/W
1
P91
0
R/W
0
P90
0
R/W
IPRA—Interrupt Priority Register A
H'FF00
INTC
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
—
—
0
0
0
0
0
0
0
0
R
R/W R/W R/W
R
R/W R/W R/W
IRQ0 interrupt priority level (0 to 7) IRQ1 interrupt priority level (0 to 7)
IPRB—Interrupt Priority Register B
H'FF01
INTC
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
—
—
0
0
0
0
0
0
0
0
R
R/W R/W R/W
R
R/W R/W R/W
IRQ2 and IRQ3 interrupt
priority level (0 to 7)
IRQ4 and IRQ5 interrupt
priority level (0 to 7)
429