LAN91C111_11 Datasheet, PDF (94/133 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY

Revision 1.92 (06-27-11)
10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
RX INTR
Write Ad. Ptr. Reg. & Read
Word 0 from RAM
Yes
Destination
No
Multicast?
Read Words 2, 3, 4 from RAM
for Address Filtering
No
Address
Filtering Pass?
Yes
No
Status Word
Yes
OK?
Do Receive Lookahead
Get Copy Specs from Upper
Layer
No
Okay to
Yes
Copy?
Copy Data Per Upper Layer
Specs
Issue "Remove and Release"
Command
Return to ISR
Figure 10.2 RX INTR
94
DATASHEET
SMSC LAN91C111 REV C