Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
Product codes
ATSAM4L-XPRO
1065
42023E–SAM–07/2013
ATSAM4L8/L4/L2
39.7.10
Circular Shift Register Configuration
Name:
CSRCFG
Access Type:
Read/Write
Offset:
0x3C
Reset Value:
0x00000000
• DATA: Circular Shift Register Value
• SIZE: Size
Defines the size of the circular shift register, (SIZE + 1) bits.
• FCS: Frame Counter Selection
• DIR: Direction
0: Left shifting.
1: Right shifting.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
DATA
7
6
5
4
3
2
1
0
-
-
SIZE
FCS
DIR
Table 39-15. Frame Counter Selection
FCS
Frame
Counter
00
FC0
01
FC1
10
FC2
11
reserved