HD6432633 Datasheet, PDF (1280/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

ISCRH—IRQ Sense Control Register H
ISCRL—IRQ Sense Control Register L
H'FE12
H'FE13
Interrupt Controller
Interrupt Controller
ISCRH
Bit
: ₁₅
14
13
12
11
10
9
8
IRQ7SCB IRQ7SCA IRQ6SCB IRQ6SCA IRQ5SCB IRQ5SCA IRQ4SCB IRQ4SCA
Initial value : ₀
0
0
0
0
0
0
0
R/W
: _R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ISCRL
Bit
:7
6
5
4
3
2
1
0
IRQ3SCB IRQ3SCA IRQ2SCB IRQ2SCA IRQ1SCB IRQ1SCA IRQ0SCB IRQ0SCA
Initial value : 0
0
0
0
0
0
0
0
R/W
: R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
IRQ7 sense control A, B to
IRQ0 sense control A, B
IRQ7SCB IRQ7SCA
to IRQ0SCB to IRQ0SCA
0
0
Interrupt request issued when IRQ7 to IRQ0 input level low.
1
Interrupt request issued on falling edge of IRQ7 to IRQ0 input.
1
0
Interrupt request issued on rising edge of IRQ7 to IRQ0 input.
1
Interrupt request issued on both falling and rising edge of
IRQ7 to IRQ0 input.
IER—IRQ Enable Register
H'FE14
Interrupt Controller
Bit
:
Initial value :
R/W
:
7
IRQ7E
0
R/W
6
IRQ6E
0
R/W
5
IRQ5E
0
R/W
4
IRQ4E
0
R/W
3
IRQ3E
0
R/W
2
IRQ2E
0
R/W
1
IRQ1E
0
R/W
0
IRQ0E
0
R/W
IRQ7 to IRA0 enable
0
Disables IRQn interrupt.
1
Enables IRQn interrupt.
(n= 7 to 0)
1226