enc28j60 Microchip Technology Inc., enc28j60 Datasheet - Page 51

• Manufacturer Part Number: enc28j60
• Description: Stand-alone Ethernet Controller With Spi Interface
• Manufacturer: Microchip Technology Inc.

FIGURE 8-1:
© 2006 Microchip Technology Inc.
RECEIVE FILTERING USING OR LOGIC
Packet Detected on Wire
ANDOR = 0 (OR)
MCEN set?
UCEN set?
PMEN set?
MPEN set?
HTEN set?
BCEN set?
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Preliminary
Reject Packet
Magic Packet
destination?
destination?
Hash table
matches?
Broadcast
Multicast
Unicast
packet?
Pattern
for us?
bit set?
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Accept Packet
CRCEN set?
CRC valid?
Yes
Yes
ENC28J60
No
DS39662B-page 49