Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet
Product codes
ATSAM4L-XSTK
471
42023E–SAM–07/2013
ATSAM4L8/L4/L2
19.6.12
Periodic Interval Register 1
Name: PIR1
Access Type:
Read/Write
Offset:
0x34
Reset Value:
0x00000000
When the SR.BUSY bit is set writes to this register will be discarded and this register will read as zero.
• INSEL: Interval Select
The PER1 bit in SR will be set when the INSEL bit in the prescaler has a 0-to-1 transition.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
-
-
-
-
-
7
6
5
4
3
2
1
0
-
-
-
INSEL