Motorola ColdFire MCF5281 - Manual (Page 349)

Fast Ethernet Controller (FEC)
Freescale Semiconductor 17-39
The user must initialize the hash table registers. Use this CRC32 polynomial to compute the hash:
Eqn. 17-2
Table 17-37 contains example destination addresses and corresponding hash values.
Table 17-37. 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 + + + + + + + + + + + + + +
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3