
176
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
Access Type:
Read/Write
Reset Value:
0x0
PRIOR: Priority Level
Programs the priority level for all sources except FIQ source (source 0).
The priority level can be between 0 (lowest) and 7 (highest).
The priority level is not used for the FIQ in the related SMR register AIC_SMRx.
SRCTYPE: Interrupt Source Type
The active level or edge is not programmable for the internal interrupt sources.
31
30
29
28
27
26
25
24
––
––––––
23
22
21
20
19
18
17
16
––
––––––
15
14
13
12
11
10
9
8
––
––––––
76
543210
–
SRCTYPE
–
PRIOR
SRCTYPE
Internal Interrupt Sources
External Interrupt Sources
0
High level Sensitive
Low level Sensitive
0
1
Positive edge triggered
Negative edge triggered
1
0
High level Sensitive
1
Positive edge triggered