10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
INTERRUPT
'NOT EMPTY'
STATUS REGISTER
RCV
INT
PACKET NUMBER
REGISTER
RX FIFO
PACKET NUMBER
TX EMPTY
TWO
INT
OPTIONS
RX
TX
INT
TX
FIFO
FIFO
ALLOC
INT
'EMPTY'
RX PACKET
NUMBER
TX C
OMP
LETI
ON
FIFO
'NOT EMPTY'
TX DONE
PACKET NUMBER
CSMA ADDRESS
CPU ADDRESS
CS
MA
/CD
LOG
ICAL
PACKET
#
ADD
RES
S
MM
U
M.S. BIT ONLY
PACK # OUT
PHY
SICA
L AD
DRES
S
RA
M
Figure 10.6 Interrupt Generation for Transmit, Receive, MMU
SMSC LAN91C111-REV B
105
Revision 1.8 (07-13-05)
DATASHEET