Filter
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10/100 Mbps Ethernet Controller Family Open Source Software Developer Manual 149
Wake-up Functionality
• Flexible Filter
Filter type:
Filter type CRC word
Filter mask (up to 4 Dwords: DW0, DW1, DW2, DW3)
31 30 29 28 27 26 25 24
EL FIX=0 MLEN Reserved (0)
EL The end of list bit indicates if this filter is the last active one.
FIX Clearing this bit to 0 indicates a flexible filter.
MLEN
This field defines the mask length. Each bit in the mask defines a byte in the packet. For
example, byte 0 in DW0 starts with byte 0 of the packet, and bit 31 of DW2 defines byte 95
of the packet.
000
011
Single Dword mask
3 Dword mask
001
111
2 Dword mask
4 Dword mask