Datasheet

Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet

Datasheet

SMSC LAN91C96 5v&3v Page 71 Revision 1.0 (10-24-08)

DATASHEET

RX INTR

Write Ad. Ptr. Reg. & Read

Word 0 from RAM

Destination

Multicast?

Read Words 2, 3, 4 from RAM

for Address Filtering

Address Filtering

Pass?

Status Word

OK?

Do Receive Lookahead

Get Copy Specs from Upper

Layer

Okay to

Copy?

Copy Data Per Upper Layer

Specs

Issue "Remove and Release"

Command

Return to ISR

Ye s N o

Ye sNo

No Yes

Figure 8.2 - RX INTR