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COM20051+ Fiches technique(PDF) 2 Page - SMSC Corporation

No de pièce COM20051+
Description  Integrated Microcontroller and Network Interface with Watchdog Timer and A/D Converter Interface
Download  92 Pages
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Fabricant  SMSC [SMSC Corporation]
Site Internet  http://www.smsc.com
Logo SMSC - SMSC Corporation

COM20051+ Fiches technique(HTML) 2 Page - SMSC Corporation

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TABLE OF CONTENTS
FEATURES .......................................................................................................................................1
GENERAL DESCRIPTION.................................................................................................................1
PIN CONFIGURATION......................................................................................................................3
OVERVIEW.......................................................................................................................................4
DESCRIPTION OF PIN FUNCTIONS ................................................................................................5
BASIC ARCHITECTURE ...................................................................................................................8
PROTOCOL DESCRIPTION............................................................................................................14
NETWORK PROTOCOL............................................................................................................14
DATA RATES ............................................................................................................................14
NETWORK RECONFIGURATION .............................................................................................14
BROADCAST MESSAGES ........................................................................................................16
EXTENDED TIMEOUT FUNCTION ............................................................................................16
LINE PROTOCOL......................................................................................................................17
SYSTEM DESCRIPTION ..................................................................................................................20
MICROCONTROLLER INTERFACE ..........................................................................................20
TRANSMISSION MEDIA INTERFACE .......................................................................................20
ARCNET CORE FUNCTIONAL DESCRIPTION ................................................................................28
MICROSEQUENCER.................................................................................................................28
INTERNAL REGISTERS ............................................................................................................28
INTERNAL RAM ........................................................................................................................40
COMMAND CHAINING..............................................................................................................44
RESET DETAILS .......................................................................................................................47
INITIALIZATION SEQUENCE ....................................................................................................47
IMPROVED DIAGNOSTICS.......................................................................................................48
COM20051+ APPLICATIONS INFORMATION..................................................................................60
USING ARCNET DIAGNOSTICS TO OPTIMIZE YOUR SYSTEM.....................................................78
CABLING THE COM20051+ .............................................................................................................82
USING THE COM20051+'S EMULATION MODE ..............................................................................83
OPERATIONAL DESCRIPTION........................................................................................................84
MAXIMUM GUARANTEED RATINGS ........................................................................................84
DC ELECTRICAL CHARACTERISTICS .....................................................................................84
TIMING DIAGRAMS ..................................................................................................................86
80 Arkay Drive
Hauppauge, NY 11788
(516) 435-6000
FAX (516) 273-3123


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