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COM20051 Datasheet(PDF) 3 Page - SMSC Corporation

Part # COM20051
Description  Integrated Microcontroller and ARCNET (ANSI 878.1) Interface
PDF  82 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

COM20051 Datasheet(HTML) 3 Page - SMSC Corporation

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provides for an easy interface between the CPU
and the ARCNET core.
The
networking
core
is
based
around an ARCNET Token Bus
protocol engine that provides highly-reliable and
fault tolerant message
delivery
at data rates
ranging from 5Mbps down to 156 Kbps with
message sizes varying from 1 to 508 bytes.
The
ARCNET
protocol
offers
a
simple,
standardized, and easily-understood networking
solution for any application.
The network
interface supports several media interfaces,
including RS-485, coaxial, and twisted pair in
either bus
or star topologies.
The network
interface
incorporates
powerful
diagnostic
features for network management and fault
isolation.
These include duplicate node ID
detection, reconfiguration detection, receive all
(monitor) mode, receiver activity, and token
detection.
PIN CONFIGURATION
P1.5
P1.6
P1.7
RST
P3.0/RXD
nPULSE1
P3.1/TXD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
nEA/EMUL
TXEN
ALE
nPSEN
P2.7/A15
P2.6/A14
P2.5/A13
COM20051
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