m o .c U 4 NATIONAL t e e h S a at .D w w w
HYBRID, Inc.
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.
m o .c U 4 t 2200 Smithtown Avenue, Ronkonkoma, NY 11779 e Telephone (631) 981- 2400 Data Bus Fax (631) 981- 2445 e h Website http: //www.nationalhybrid.com Email:
[email protected] S a t a D . w w w
m o .c U Multi-Protocol Data Bus 4Interface t e e NHi-RT Expanded Memory h Remote Terminals S a t a Manual User's .D w w w
Version 2000.11.29 November 2000
TABLE OF CONTENTS
1.0.0 2.0.0 3.0.0 3.1.0 3.1.1 3.1.2 3.2.0 3.3.0 3.3.1 3.3.2 3.3.3 3.3.3.1 3.3.3.1.1 3.3.3.2 3.3.4 3.3.4.1 3.3.4.2 3.3.4.3 3.3.4.4 3.3.4.5 3.3.4.6 3.3.5 3.4.0 4.0.0 4.1.0 4.2.0 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.2.6 4.2.7 4.2.8 4.2.9 4.2.10 4.2.11 4.2.12 4.2.13 4.2.14 4.2.15 4.2.16 4.2.17 4.2.18 4.2.19 4.2.20 4.2.21 4.2.22 4.2.23 SCOPE. . . . . Nhi-RT PROTOCOL COMPLIANCE . INTRODUCTION . . . FEATURES . . . . GENERAL FEATURES . . REMOTE TERMINAL HIGHLIGHTS . BLOCK DIAGRAM . . . PROTOCOL CHIP DESCRIPTION . HOST BUS INTERFACE UNIT . . I/O BUS INTERFACE UNIT . . INTERRUPT CONTROL UNIT . . ICU REGISTERS . . . INTERRUPT DEFINITION TABLE . ICU FIFO . . . . DUAL REDUNDANT FRONT END . MANCHESTER DECODER . . MANCHESTER ENCODER . . GAP COUNTER . . . RT - RT NO RESPONSE COUNTER . MINIMUM RESPONSE TIME COUNTER FAIL -SAFE TIMEOUT COUNTER . MESSAGE PROCESSOR UNIT . RT HARDWIRE TERMINAL ADDRESS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 4 4 4 5 6 6 7 7 7 7 7 8 8 8 9 9 9 9 9 9 9 10 10 12 12 13 14 15 15 15 15 16 16 18 18 18 18 18 18 19 19 19 19 20 20 20 21
DATA STRUCTURE . . . . ADDRESS MAP . . . . INTERNAL REGISTERS . . . CONTROL . . . . . POINTER TABLE ADDRESS . . . BASIC STATUS . . . . INTERRUPT REQUEST . . . INTERRUPT MASK . . . . INTERRUPT VECTOR . . . . AUXILIARY VECTOR REGISTER . . REAL- TIME CLOCK . . . . RTC CONTROL REGISTER . . . FIFO READ . . . . . FIFO RESET . . . . . LAST COMMAND REGISTER . . . LAST STATUS REGISTER . . . RESET REMOTE TERMINAL . . ENCODER STATUS . . . . CONDITION REGISTER . . . ENCODER DATA REGISTER . . ENCODER DATA TRANSMIT RQST . . ENCODER COMMAND TRANSMIT REQUEST EXTERNAL TERMINAL ADDRESS REGISTER COMMAND OUTPUT PINS . . . I/ O TAG WORD REGISTER . . . CONFIGURATION REGISTER 1 . .
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TABLE OF CONTENTS(continued)
4.3.0 4.3.1 4.3.2 4.3.3 4.3.4 4.3.4.1 4.3.4.2 4.3.4.3 5.0.0 5.1.0 5.2.0 5.2.1 5.2.2 5.2.3 5.2.4 5.2.5 5.2.6 5.2.7 5.2.8 5.2.9 5.2.10 5.2.11 5.2.12 5.2.13 5.2.14 5.2.15 5.2.16 5.2.17 5.2.18 6.0.0 6.1.0 6.2.0 7.0.0 7.1.0 7.2.0 8.0.0 9.0.0 9.1.0 9.2.0 9.3.0 9.4.0 10.0.0 10.1.0 10.2.0 10.3.0 10.4.0 11.0.0 11.