SAM4L Datasheet, PDF (501/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

21.7.1 Interrupt Enable Register
Name:
IER
Access Type:
Write-only
Offset:
0x000
Reset Value:
0x00000000
ATSAM4L4/L2
31
30
29
28
27
26
-
INT30
INT29
INT28
INT27
INT26
23
INT23
22
INT22
21
INT21
20
INT20
19
INT19
18
INT18
15
INT15
14
INT14
13
INT13
12
INT12
11
INT11
10
INT10
7
INT7
6
INT6
5
INT5
4
INT4
3
INT3
2
INT2
• INTn: External Interrupt n
Writing a zero to this bit has no effect.
Writing a one to this bit will set the corresponding bit in IMR.
Refer to the Module Configuration section for the number of external interrupts.
• NMI: Non-Maskable Interrupt
Writing a zero to this bit has no effect.
Wrting a one to this bit will set the corresponding bit in IMR.
25
INT25
17
INT17
9
INT9
1
INT1
24
INT24
16
INT16
8
INT8
0
NMI
42023C–SAM–02/2013
501