Interrupt Control Register (Icr) Intc - Hitachi SH7032 Hardware Manual

A.2.34 Interrupt Control Register (ICR)
• Start Address: H'5FFFF8E
• Bus Width: 8/16/32
Register Overview:
Bit:
Bit name:
Initial value:
R/W:
Bit:
Bit name:
Initial value:
R/W:
Note: * NMI pin input high: 1
NMI pin input low: 0
Table A.35 ICR Bit Functions
Bit Bit Name
15 NMI input level (NMIL)
8 NMI edge select (NMIE)
7–0 IRQ0–7 sense select
(IRQ0–IRQ7)
600
15 14
NMIL —
* 0
R —
7 6
IRQ0S IRQ1S IRQ2S
0 0
R/W R/W
13 12 11
— — —
0 0
— — —
5 4
IRQ3S IRQ4S
0 0
R/W R/W R/W
Value Description
0 Low input to NMI pin
1 High input to NMI pin
0 Interrupt request sensed at falling edge of
NMI input
1 Interrupt request sensed at rising edge of
NMI input
Interrupt request sensed at IRQ input low
0
level
Interrupt request sensed at IRQ input
1
falling edge
10 9
— —
0 0 0
— —
3 2 1
IRQ5S IRQ6S
0 0 0
R/W R/W
INTC
8
NMIE
0
R/W
0
IRQ7S
0
R/W
(Initial value)
(Initial value)