AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 39
AT91M40400-25C
Manufacturer Part Number
AT91M40400-25C
Description
16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
Manufacturer
ATMEL Corporation
Datasheet
1.AT91M40400-25C.pdf
(116 pages)
- Current page: 39 of 116
- Download datasheet (2Mb)
AIC Source Mode Register
Register Name:
Access Type:
Reset Value:
•
•
PRIOR: Priority Level
Program the priority level for all sources except source 0 (FIQ).
The priority level can be between 0 (lowest) and 7 (highest).
The priority level is not used for the FIQ, in the SMR0.
SRCTYPE: Interrupt Source Type
Program the input to be positive or negative edge triggered or positive or negative level sensitive.
The active level or edge is not programmable for the internal sources.
SRCTYPE
0
0
1
1
31
23
15
---
---
---
---
7
0
1
0
1
Internal Sources
Level Sensitive
Edge Triggered
Level Sensitive
Edge Triggered
30
22
14
AIC_SMR0 - AIC_SMR31
Read/Write
0
---
---
---
6
SRCTYPE
29
21
13
---
---
---
5
External Sources
Low Level Sensitive
Negative Edge Triggered
High Level Sensitive
Positive Edge Triggered
28
20
12
---
---
---
---
4
27
19
11
---
---
---
---
3
26
18
10
---
---
---
2
AT91M40400
PRIOR
25
17
---
---
---
9
1
24
16
---
---
---
8
0
39
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