74F402 Datasheet, PDF (3/9 Pages) Fairchild Semiconductor – Serial Data Polynomial Generator/Checker

Hex
S₃
0
L
C
H
D
H
E
H
F
H
7
L
B
H
3
L
2
L
4
L
8
H
5
L
9
H
1
L
6
L
A
H
Select Code
S₂
S₁
L
L
H
L
H
L
H
H
H
H
H
H
L
H
L
H
L
H
H
L
L
L
H
L
L
L
L
L
H
H
L
H
Block Diagram
TABLE 1.
Polynomial
S₀
Remarks
L0
S=0
L
X³²+X²⁶+X²³+X²²+X¹⁶+
Ethernet
H X¹²+X¹¹+X¹⁰+X⁸+X⁷+X⁵+X⁴+X²+X+1
Polynomial
L
X³²+X³¹+X²⁷+X²⁶+X²⁵+X¹⁹+X¹⁶+
Ethernet
H X¹⁵+X¹³+X¹²+X¹¹+X⁹+X⁷+X⁶+X⁵+X⁴+X²+X+1 Residue
H X¹⁶+X¹⁵+X²+1
CRC-16
H X¹⁶+X¹²+X⁵+1
CRC-CCITT
H X⁵⁶+X⁵⁵+X⁴⁹+X⁴⁵+X⁴¹+
L
X³⁹+X³⁸+X³⁷+X³⁶+X³¹+
56th
L
X²²+X¹⁹+X¹⁷+X¹⁶+X¹⁵+X¹⁴+X¹²+X¹¹+X⁹+
Order
L X⁵+X+1
H X⁴⁸+X³⁶+X³⁵⁺
H X²³+X²¹+
48th
H X¹⁵+X¹³+X⁸+X²+1
Order
L
X³²+X²³+X²¹+
32nd
L X¹¹+X²+1
Order
3
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