
10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
Revision 1.91 (08-18-08) 94 SMSC LAN91C111 REV C
DATASHEET
Figure 10.6 Interrupt Generation for Transmit, Receive, MMU
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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
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