SAM4L Datasheet, PDF (1095/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

41.6.10 Mode Register
Name:
MR
Access Type:
Read/Write
Offset:
0x38
Reset Value:
0x00000000
31
30
29
28
27
26
-
-
-
-
-
-
23
22
21
20
19
18
-
-
-
-
-
-
15
14
13
12
11
10
-
-
-
-
-
-
7
6
5
4
3
2
DIVIDER
PTYPE
• DIVIDER: Bandwidth Divider
DMA bandwidth, required for CRC computation, is divided by 2^(DIVIDER+1).
• PTYPE: Polynomial Type
Value
0
1
2
Name
CCIT8023
CASTAGNOLI
CCIT16
Description
Polynom 0x04C11DB7
Polynom 0x1EDC6F41
Polynom 0x1021
• COMPARE: CRC Compare
0: No comparison.
1: CRC computed is compared with stored value.
• ENABLE: CRC Computation Enable
0: No computation.
1: CRC computation enabled.
ATSAM4L4/L2
25
24
-
-
17
16
-
-
9
8
-
-
1
COMPARE
0
ENABLE
42023C–SAM–02/2013
1095