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COM20019IP Folha de dados(PDF) 14 Page - SMSC Corporation

Nome de Peças COM20019IP
Descrição Electrónicos  Low Cost ARCNET (ANSI 878.1) Controller with 2K x 8 On-Board RAM
PDF  81 Pages
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Fabricante Electrônico  SMSC [SMSC Corporation]
Página de início  http://www.smsc.com
Logo SMSC - SMSC Corporation

COM20019IP Folha de dados(HTML) 14 Page - SMSC Corporation

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DISCONTINUED DATASHEET
FIGURE 2 - MULTIPLEXED, 8051-LIKE BUS INTERFACE WITH RS-485 INTERFACE
RXIN
nPULSE1
nPULSE2
TXEN
GND
+5V
100 Ohm
BACKPLANE CONFIGURATION
GURE A
FI
RXIN
nPULSE1
FIGURE B
Receiver
HFD3212-002
2
+5V
7
6
Transmitter
HFE4211-014
+5V
3
2 Fiber Interface
(ST Connectors)
2
6
7
NOTE: COM20019 must be in backplane mode
AD0-AD7
nINT1
RESET
nRD
nWR
A15
AD0-AD2, D3-D7
nCS
nRESET
nRD/nDS
nWR/DIR
nINTR
A2/BALE
ALE
XTAL1
XTAL2
GND
RXIN
nPULSE1
nPULSE2
nTXEN
8051
COM20019
Differential Driver
Configuration
Media Interface
may be replaced
with Figure A or B.
*
75176B or
Equiv.
A0/nMUX
27 pF
27 pF
XTAL2
XTAL1
20 MHz
XTAL



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