HD643303x Hitachi, HD643303x Datasheet - Page 544

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

ISCR—IRQ Sense Control Register
IER—IRQ Enable Register
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
R/(W)
R/W
—
—
7
0
7
0
R/(W)
R/W
IRQ to IRQ sense control
—
—
6
0
6
0
0 Interrupts are requested when IRQ to IRQ inputs are low
1 Interrupts are requested by falling-edge input at IRQ to IRQ
4
R/(W)
R/W
—
—
5
0
5
0
0
529
IRQ4SC
IRQ4E
R/(W)
R/W
4
0
4
0
IRQ to IRQ enable
0 IRQ to IRQ interrupts are disabled
1 IRQ to IRQ interrupts are enabled
4
IRQ3SC
IRQ3E
R/(W)
R/W
3
0
3
0
4
4
H'F4
H'F5
0
IRQ2SC
IRQ2E
R/(W)
R/W
4
0
0
2
0
2
0
Interrupt controller
Interrupt controller
IRQ1SC
0
IRQ1E
R/(W)
R/W
1
0
1
0
4
IRQ0SC
IRQ0E
R/(W)
R/W
0
0
0
0
0