COM20020_00 Datasheet, PDF (25/82 Pages) SMSC Corporation – Universal Local Area Network Controller with 2K x 8 On-Board RAM

A0/nMUX
A1
A2/BALE
ADDRESS
DECODING
CIRCUITRY
AD0-AD2,
D3-D7
2K x 8
RAM
ADDITIONAL
REGISTERS
nINTR
nRESET
STATUS/
COMMAND
REGISTER
RESET
LOGIC
MICRO-
SEQUENCER
AND
WORKING
REGISTERS
TX/RX
LOGIC
nRD/nDS
nWR/DIR
nCS
BUS
ARBITRATION
CIRCUITRY
RECONFIGURATION
TIMER
OSCILLATOR
NODE ID
LOGIC
nPULSE1
nPULSE2
nTXEN
RXIN
XTAL1
XTAL2
FIGURE 7 - INTERNAL BLOCK DIAGRAM
25
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