파트넘버.co.kr NHI15175ET 데이터시트 PDF


NHI15175ET 반도체 회로 부품 판매점

(NHI Series) Multi-Protocol Data Bus Interface



National Hybrid 로고
National Hybrid
NHI15175ET 데이터시트, 핀배열, 회로
www.DaNtaMSAhuNeTleHtti4IiU-POE.rcTooNmtoEAcnoLhlaDnHachteYadeBBeuTRtse4rIImnUDtien.,rcafIlaosncmec.Bus Controller, Remote Terminal, Bus Monitor
.DUasetra'sSManualVersion 2003.07.14
w July 2003
wThe 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
mare subject to change without notice.
w .co2200 Smithtown Avenue, Ronkonkoma, NY 11779
t4UTelephone (631) 981- 2400 Data Bus Fax (631) 981- 2445
www.DataSheeWebsite http: //www.nationalhybrid.com


NHI15175ET 데이터시트, 핀배열, 회로
TABLE OF CONTENTS
1.0.0
SCOPE.
.
.
.
.
.
.
.
6
2.0.0
NHi-ET PROTOCOL COMPLIANCE .
.
.
.
6
3.0.0
INTRODUCTION
.
.
.
.
.
.
6
3.1.0
FEATURES .
.
.
.
.
.
.
6
3.1.1
GENERAL FEATURES
.....
6
3.1.2
BUS CONTROLLER HIGHLIGHTS .
.
.
.
7
3.1.3
REMOTE TERMINAL HIGHLIGHTS .
.
.
.
7
3.14 BUS MONITOR HIGHLIGHTS . . . . . 8
3.2.0
BLOCK DIAGRAM .
.
.
.
.
.
9
3.3.0
PROTOCOL CHIP DESCRIPTION .
.
.
. 10
3.3.1
HOST BUS INTERFACE UNIT .
.
.
.
. 10
3.3.2
I/O BUS INTERFACE UNIT .
.
.
.
. 10
3.3.3
INTERRUPT CONTROL UNIT .
.
.
.
. 10
3.3.3.1 ICU REGISTERS
.
.
.
.
.
. 10
3.3.3.1.1 INTERRUPT DEFINITION TABLE . . . . 11
3.3.3.2 ICU FIFO
.
.
.
.
.
.
. 11
3.3.4
DUAL REDUNDANT FRONT END .
.
.
. 12
3.3.4.1 MANCHESTER DECODER . . . . . 12
3.3.4.2 MANCHESTER ENCODER . . . . . 12
3.3.4.3 GAP COUNTER . . . . . . 12
3.3.4.4 RT - RT NO RESPONSE COUNTER . . . . 12
3.3.4.5 MINIMUM RESPONSE TIME COUNTER
.
.
.
12
3.3.4.6 FAIL -SAFE TIMEOUT COUNTER . . . . 12
3.3.5
MESSAGE PROCESSOR UNIT
. . . . 12
3.4.0
RT HARDWIRE TERMINAL ADDRESS.
.
.
. 13
4.0.0
DATA STRUCTURE .
.
.
.
.
. 13
4.1.0
ADDRESS MAP
.
.
.
.
.
. 13
4.2.0
INTERNAL REGISTERS
.
.
.
.
. 14
4.2.1
CONTROL .
.
.
.
.
.
. 15
4.2.2
POINTER TABLE ADDRESS .
.
.
.
. 16
4.2.3
BASIC STATUS
.
.
.
.
.
. 17
4.2.4
INTERRUPT REQUEST
.
.
.
.
. 18
4.2.5
INTERRUPT MASK .
.
.
.
.
. 18
4.2.6
INTERRUPT VECTOR .
.
.
.
.
. 18
4.2.7
CONFIGURATION REGISTER 2
.
.
.
. 19
4.2.8
AUXILIARY VECTOR REGISTER .
.
.
. 20
4.2.9
REAL- TIME CLOCK .
.
.
.
.
. 20
4.2.10
RTC CONTROL REGISTER .
.
.
.
. 21
4.2.11
FIFO READ .
.
.
.
.
.
. 22
4.2.12
FIFO RESET .
.
.
.
.
.
. 22
4.2.13
LAST COMMAND REGISTER .
.
.
.
. 22
4.2.14
LAST STATUS REGISTER .
.
.
.
. 23
4.2.15
RESET REMOTE TERMINAL
. . . . 23
4.2.16
ENCODER STATUS .
.
.
.
.
. 23
4.2.17
CONDITION REGISTER
.
.
.
.
. 23
4.2.18
ENCODER DATA REGISTER
. . . . 24
4.2.19
ENCODER DATA TRANSMIT RQST .
.
.
. 24
4.2.20
ENCODER COMMAND TRANSMIT REQUEST
. . 24
4.2.21
EXTERNAL TERMINAL ADDRESS REGISTER
. . 25
4.2.22
COMMAND OUTPUT PINS .
.
.
.
. 25
4.2.23
I/ O TAG WORD REGISTER .
.
.
.
. 25
4.2.24 CONFIGURATION REGISTER 1 . . . . 26
-1 -




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NHI15175ET

(NHI Series) Multi-Protocol Data Bus Interface - National Hybrid