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NHI-15175ET

Part Number	NHI-15175ET
Manufacturer	National Hybrid
Description	(NHI Series) Multi-Protocol Data Bus Interface
Published	Jan 18, 2006
Detailed Description	4U NATIONAL HYBRID, Inc. t e .D a t a e h S . m o c w w w Bus Controller, Remote Terminal, Bus Monitor The inform...
Datasheet	NHI-15175ET PDF File

Overview

4U NATIONAL HYBRID, Inc.
t e .
D a t a e h S .
m o c w w w Bus Controller, Remote Terminal, Bus Monitor The information provided in this document is believed to be accurate; however, no responsibility is assumed by NATIONAL HYBRID, INC.
for its use, and no license or rights are granted by implication or otherwise in connection therewith.
Specifications are subject to change without notice.
U Multi Protocol Data Bus 4Interface t e e NHi-ET Enhanced Terminals h S a t a Manual User's .
D w w w Version 2003.
07.
14 July 2003 2200 Smithtown Avenue, Ronkonkoma, NY 11779 Telephone (631) 981- 2400 Data Bus Fax (631) 981- 2445 .
c m o Website http: //www.
nationalhybrid.
com Email: databus@nationalhybrid.
com w w w .
D at h S a t e e 4U .
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24 SCOPE.
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NHi-ET PROTOCOL COMPLIANCE .
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INTRODUCTION .
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FEATURES .
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GENERAL FEATURES .
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BUS CONTROLLER HIGHLIGHTS .
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REMOTE TERMINAL HIGHLIGHTS .
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BUS MONITOR HIGHLIGHTS .
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BLOCK DIAGRAM .
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PROTOCOL CHIP DESCRIPTION .
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HOST BUS INTERFACE UNIT .
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I/O BUS INTERFACE UNIT .
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INTERRUPT CONTROL UNIT .
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ICU REGISTERS .
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INTERRUPT DEFINITION TABLE .
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ICU FIFO .
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DUAL REDUNDANT FRONT END .
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MANCHESTER DECODER .
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MANCHESTER ENCODER .
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GAP COUNTER .
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RT - RT NO RESPONSE COUNTER .
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MINIMUM RESPONSE TIME COUNTER .
FAIL -SAFE TIMEOUT COUNTER .
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MESSAGE PROCESSOR UNIT .
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RT HARDWIRE TERMINAL ADDRESS.
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DATA STRUCTURE .
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ADDRESS MAP .
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INTERNAL REGISTERS .
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CONTROL .
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POINTER TABLE ADDRESS .
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BASIC STATUS .
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INTERRUPT REQUEST .
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INTERRUPT MASK .
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INTERRUPT VECTOR .
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CON...

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