Datasheet

1109
42023E–SAM–07/2013
ATSAM4L8/L4/L2
41.6.10 Mode Register
Name:
MR
Access Type: Read/Write
Offset: 0x38
Reset Value: 0x00000000
• DIVIDER: Bandwidth Divider
DMA bandwidth, required for CRC computation, is divided by 2^(DIVIDER+1).
• PTYPE: Polynomial Type
• 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.
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
DIVIDER PTYPE COMPARE ENABLE
Value Name Description
0 CCIT8023 Polynom 0x04C11DB7
1 CASTAGNOLI Polynom 0x1EDC6F41
2 CCIT16 Polynom 0x1021