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ManualsBrandsDIGILENT ManualsDev KitsExpansion
919293949596979899100
ENC424J600/624J600
DS39935C-page 98 2010 Microchip Technology Inc.
FIGURE 10-1: RECEIVE FILTER DECISION TREE
Packet Arrives
Discard Packet Accept Packet
HTEN set?
CRC is valid?
MPEN set?
Pattern
Match?
(1)
CRCEEN set?
CRCEN set?
RUNTEEN set?
RUNTEN set?
UCEN set?
BCEN set?
MCEN set?
NOTMEEN set?
Yes
No
No
No
No
No
No
No
No
No
No
Reject or
Disabled
Length < 64
bytes?
CRC is valid?
Length < 64
bytes?
Unicast for me?
Unicast for
someone else?
Multicast
destination?
Broadcast
destination?
Hash Table
bit set?
Magic Packet™
for me?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
Yes
No
No
Accept
Yes
Yes
Note 1: For details on the Pattern Match filter, refer to Section 10.11 “Pattern Match Collection Filter”.