SAM4L Datasheet, PDF (1056/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

39.7.10 Circular Shift Register Configuration
Name:
CSRCFG
Access Type:
Read/Write
Offset:
0x3C
Reset Value:
0x00000000
31
30
29
28
27
-
-
-
-
-
23
22
21
20
19
-
-
-
-
-
15
14
13
12
11
DATA
7
6
5
4
3
-
-
SIZE
• DATA: Circular Shift Register Value
• SIZE: Size
Defines the size of the circular shift register, (SIZE + 1) bits.
• FCS: Frame Counter Selection
Table 39-15. Frame Counter Selection
FCS
Frame
Counter
00
FC0
01
FC1
10
FC2
11
reserved
• DIR: Direction
0: Left shifting.
1: Right shifting.
ATSAM4L4/L2
26
25
24
-
-
-
18
17
16
-
-
-
10
9
8
2
1
0
FCS
DIR
42023C–SAM–02/2013
1056