Datasheet

Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet
Datasheet
Revision 1.0 (10-24-08) Page 78 SMSC LAN91C96 5v&3v
DATASHEET
Figure 8.6 – Interrupt Generation for Transmit; Receive, MMU
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CO
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N
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RX
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RE
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#
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DRE
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CPU ADDRESS
CSMA ADDRESS
RX PACKET
NUMBER
RX FIFO
PACKET NUMBER
PACKET NUMBER
REGISTER
PACK # OUT
M.S. BIT ONLY
'EMPTY'
'NOT EMPTY'
TX DONE
PACKET NUMBER
'NOT EMPTY'
INTERRUPT
STATUS REGISTER
RCV
INT
TX EMPTY
INT
TX
INT
ALLOC
INT
TWO
OPTIONS