NXP Semiconductors freescale semiconductor ColdFire MCF51CN128 Series, Reference Manual

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Fast Ethernet Controller (FEC)
Freescale Semiconductor 16-35
MCF51CN128 Reference Manual, Rev. 6
The user must initialize the hash table registers. Use this CRC32 polynomial to compute the hash:
Eqn. 16-2
Table 16-34 contains example destination addresses and corresponding hash values.
Table 16-34. Destination Address to 6-Bit Hash
48-bit DA
6-bit Hash
(in hex)
Hash Decimal
Value
65FF_FFFF_FFFF 0x0 0
55FF_FFFF_FFFF 0x1 1
15FF_FFFF_FFFF 0x2 2
35FF_FFFF_FFFF 0x3 3
B5FF_FFFF_FFFF 0x4 4
95FF_FFFF_FFFF 0x5 5
D5FF_FFFF_FFFF 0x6 6
F5FF_FFFF_FFFF 0x7 7
DBFF_FFFF_FFFF 0x8 8
FBFF_FFFF_FFFF 0x9 9
BBFF_FFFF_FFFF 0xA 10
8BFF_FFFF_FFFF 0xB 11
0BFF_FFFF_FFFF 0xC 12
3BFF_FFFF_FFFF 0xD 13
7BFF_FFFF_FFFF 0xE 14
5BFF_FFFF_FFFF 0xF 15
27FF_FFFF_FFFF 0x10 16
07FF_FFFF_FFFF 0x11 17
57FF_FFFF_FFFF 0x12 18
77FF_FFFF_FFFF 0x13 19
F7FF_FFFF_FFFF 0x14 20
C7FF_FFFF_FFFF 0x15 21
97FF_FFFF_FFFF 0x16 22
A7FF_FFFF_FFFF 0x17 23
99FF_FFFF_FFFF 0x18 24
B9FF_FFFF_FFFF 0x19 25
F9FF_FFFF_FFFF 0x1A 26
C9FF_FFFF_FFFF 0x1B 27
X
32
X
26
X
23
X
22
X
16
X
12
X
11
X
10
X
8
X
7
X
5
X
4
X
2
X 1 + + + + + + + + + + + + + +