HD64F2149 Datasheet, PDF (913/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

ISCRH—IRQ Sense Control Register H
ISCRL—IRQ Sense Control Register L
ISCRH
H'FEEC
H'FEED
Interrupt Controller
Interrupt Controller
Bit
Initial value
Read/Write
15
14
13
12
11
10
9
8
IRQ7SCB IRQ7SCA IRQ6SCB IRQ6SCA IRQ5SCB IRQ5SCA IRQ4SCB IRQ4SCA
0
0
0
0
0
0
0
0
R/W
R/W R/W
R/W R/W R/W
R/W R/W
ISCRL
IRQ7 to IRQ4 sense control A and B
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
IRQ3SCB IRQ3SCA IRQ2SCB IRQ2SCA IRQ1SCB IRQ1SCA IRQ0SCB IRQ0SCA
0
0
0
0
0
0
0
0
R/W
R/W R/W
R/W R/W R/W
R/W R/W
IRQ3 to IRQ0 sense control A and B
ISCRH bits 7 to 0
ISCRL bits 7 to 0
IRQ7SCB to IRQ7SCA to
IRQ0SCB IRQ0SCA
Description
0
0
Interrupt request generated at IRQ7 to IRQ0
input at low level
1
Interrupt request generated at falling edge
of IRQ7 to IRQ0 input
1
0
Interrupt request generated at rising edge
of IRQ7 to IRQ0 input
1
Interrupt request generated at both falling
and rising edges of IRQ7 to IRQ0 input
879