ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 99 -
Revision 2.4
NMI Interrupt Source Select Control Register (NMI_SEL)
Register
Offset
R/W
Description
Reset Value
NMI_SEL
0x80
R/W
NMI Source Interrupt Select Control Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
IRQ_TM
Reserved
NMI_SEL[4:0]
Bits
Description
[31:7]
Reserved
Reserved
[7]
IRQ_TM
IRQ Test Mode
If set to 1 then peripheral IRQ signals (0-31) are replaced by the value in the
MCU_IRQ register. This is a protected register to program first issue the unlock
sequence.
[4:0]
NMI_SEL
NMI Source Interrupt Select
The NMI interrupt to Cortex-M0 can be selected from one of the interrupt[31:0]
The NMI_SEL bit[4:0] used to select the NMI interrupt source