HD6432621 Hitachi, HD6432621 Datasheet - Page 932

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

ISCRH—IRQ Sense Control Register H
ISCRL—IRQ Sense Control Register L
IER—IRQ Enable Register
888
ISCRH
Bit
Initial value
Read/Write
ISCRL
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
:
:
:
:
:
:
:
:
:
IRQ3SCB
R/W
R/W
R/W
15
—
—
0
7
0
7
0
IRQ3SCA
R/W
R/W
R/W
14
—
—
0
6
0
6
0
IRQ3 to IRQ0 sense control
IRQnSCB IRQnSCA
IRQ2SCB
0
1
IRQ5E
R/W
R/W
R/W
13
—
0
5
0
5
0
IRQ2SCA
IRQ4E
0
1
0
1
R/W
R/W
R/W
12
—
0
4
0
4
0
H'FE12
H'FE13
H'FE14
Low level of IRQn input
Falling edge of IRQn input
Rising edge of IRQn input
Rising and falling edges of IRQn input
IRQ5SCB
IRQ1SCB
IRQ3E
R/W
R/W
R/W
11
0
3
0
3
0
IRQn enable
Interrupt Request Generation
0 IRQn interrupt is disabled
1
IRQ5 and IRQ4 sense control
IRQn interrupt is enabled
IRQ5SCA
IRQ1SCA
IRQ2E
R/W
R/W
R/W
10
0
2
0
2
0
Interrupt Controller
Interrupt Controller
Interrupt Controller
IRQ4SCB
IRQ0SCB
IRQ1E
R/W
R/W
R/W
9
0
1
0
1
0
(n = 5 to 0)
(n = 5 to 0)
IRQ4SCA
IRQ0SCA
IRQ0E
R/W
R/W
R/W
8
0
0
0
0
0