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NHI-15991RT PDF даташит

Спецификация NHI-15991RT изготовлена ​​​​«National Hybrid» и имеет функцию, называемую «(NHI Series) Multi-Protocol Data Bus Interface».

Детали детали

Номер произв NHI-15991RT
Описание (NHI Series) Multi-Protocol Data Bus Interface
Производители National Hybrid
логотип National Hybrid логотип 

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NHI-15991RT Даташит, Описание, Даташиты
www.DaNtaMSAhueNTlettiH4I-UPOi-.crRRo.oNmDTetUomAascEoeoxtLtralpe'sDaSHTnaMhetdYaareenmBdBueiunaRMtsla4elIIsUnmDteo.,crrfyIoancmec.Version 2000.11.29
w November 2000
ww mThe information provided in this document is believed to be accurate; however, no responsibility is assumed by NATIONAL
oHYBRID, INC. for its use, and no license or rights are granted by implication or otherwise in connection therewith. Specifications
.care subject to change without notice.
t4U2200 Smithtown Avenue, Ronkonkoma, NY 11779
eeTelephone (631) 981- 2400 Data Bus Fax (631) 981- 2445
www.DataShWebsite http: //www.nationalhybrid.com









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NHI-15991RT Даташит, Описание, Даташиты
TABLE OF CONTENTS
1.0.0
SCOPE .
.
.
.
.
.
.
.
2.0.0
Nhi-RT PROTOCOL COMPLIANCE .
.
.
.
3.0.0
INTRODUCTION
.
.
.
.
.
.
3.1.0
FEATURES .
.
.
.
.
.
.
3.1.1
GENERAL FEATURES
.....
3.1.2
REMOTE TERMINAL HIGHLIGHTS .
.
.
.
3.2.0
BLOCK DIAGRAM .
.
.
.
.
.
3.3.0
PROTOCOL CHIP DESCRIPTION .
.
.
.
3.3.1
HOST BUS INTERFACE UNIT .
.
.
.
.
3.3.2
I/O BUS INTERFACE UNIT .
.
.
.
.
3.3.3
INTERRUPT CONTROL UNIT .
.
.
.
.
3.3.3.1 ICU REGISTERS
.
.
.
.
.
.
3.3.3.1.1 INTERRUPT DEFINITION TABLE . . . .
3.3.3.2 ICU FIFO
.
.
.
.
.
.
.
3.3.4
DUAL REDUNDANT FRONT END .
.
.
.
3.3.4.1 MANCHESTER DECODER . . . . .
3.3.4.2 MANCHESTER ENCODER . . . . .
3.3.4.3 GAP COUNTER
.
.
.
.
.
.
3.3.4.4 RT - RT NO RESPONSE COUNTER . . . .
3.3.4.5 MINIMUM RESPONSE TIME COUNTER
.
.
.
3.3.4.6 FAIL -SAFE TIMEOUT COUNTER . . . .
3.3.5
MESSAGE PROCESSOR UNIT
.
.
.
.
3.4.0
RT HARDWIRE TERMINAL ADDRESS.
.
.
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4
4
4
4
4
5
6
6
7
7
7
7
7
8
8
8
9
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9
9
9
9
9
4.0.0
DATA STRUCTURE .
.
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.
.
. 10
4.1.0
ADDRESS MAP
.
.
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.
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. 10
4.2.0
INTERNAL REGISTERS
.
.
.
.
. 12
4.2.1
CONTROL .
.
.
.
.
.
. 12
4.2.2
POINTER TABLE ADDRESS .
.
.
.
. 13
4.2.3
BASIC STATUS
.
.
.
.
.
. 14
4.2.4
INTERRUPT REQUEST
.
.
.
.
. 15
4.2.5
INTERRUPT MASK .
.
.
.
.
. 15
4.2.6
INTERRUPT VECTOR .
.
.
.
.
. 15
4.2.7
AUXILIARY VECTOR REGISTER .
.
.
. 15
4.2.8
REAL- TIME CLOCK .
.
.
.
.
. 16
4.2.9
RTC CONTROL REGISTER .
.
.
.
. 16
4.2.10 FIFO READ . . . . . . . 18
4.2.11 FIFO RESET . . . . . . . 18
4.2.12 LAST COMMAND REGISTER . . . . . 18
4.2.13 LAST STATUS REGISTER . . . . . 18
4.2.14 RESET REMOTE TERMINAL
. . . . 18
4.2.15 ENCODER STATUS . . . . . . 18
4.2.16 CONDITION REGISTER
.
.
.
.
. 19
4.2.17 ENCODER DATA REGISTER
. . . . 19
4.2.18 ENCODER DATA TRANSMIT RQST . . . . 19
4.2.19 ENCODER COMMAND TRANSMIT REQUEST
. . 19
4.2.20 EXTERNAL TERMINAL ADDRESS REGISTER
. . 20
4.2.21 COMMAND OUTPUT PINS . . . . . 20
4.2.22 I/ O TAG WORD REGISTER . . . . . 20
4.2.23 CONFIGURATION REGISTER 1 . . . . 21
-1-









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NHI-15991RT Даташит, Описание, Даташиты
TABLE OF CONTENTS(continued)
4.3.0
RT DATA TABLES .
.
.
.
.
.
21
4.3.1
MESSAGE ILLEGALITY
.
.
.
.
.
22
4.3.2
DATA TABLE TAG WORD .
.
.
.
.
23
4.3.3
DATA TABLE POINTER
.
.
.
.
.
24
4.3.4
RT DATA TABLE BUFFERING SCHEME
.
.
.
24
4.3.4.1 RT RAM ACCESS . . . . . . 24
4.3.4.2 HOST RAM ACCESS . . . . . . 25
4.3.4.3 READ- MODIFY- WRITE
.
.
.
.
.
25
5.0.0
RT MODE CODE OPERATION .
.
.
.
.
26
5.1.0
GENERAL .
.
.
.
.
.
.
26
5.2.0
TABLE OF RT MODE CODE RESPONSES .
.
.
26
5.2.1
DYNAMIC BUS CONTROL (00000; T/R=1) .
.
.
26
5.2.2
SYNCHRONIZE WITHOUT DATA (00001; T/R=1) .
.
27
5.2.3
TRANSMIT LAST STATUS WORD (00010; T/R=1) .
.
27
5.2.4
INITIATE SELF TEST (00011; T/R=1) .
.
.
.
27
5.2.5
TRANSMITTER SHUTDOWN (00100; T/R=1) .
.
28
5.2.6
OVERRIDE TRANSMITTER SHUTDOWN
.
.
.
28
(00101; T/R=1)
5.2.7
INHIBIT TERMINAL FLAG (00110; T/R=1) .
.
.
28
5.2.8
OVERRIDE INHIBIT TERMINAL FLAG (00110; T/R=1) .
.
29
5.2.9
RESET REMOTE TERMINAL (01000; T/ R= 1) .
.
.
29
5.2.10 RESERVED MODE CODES (01001- 01111; T/ R= 1) . . 29
5.2.11 TRANSMIT VECTOR WORD (10000; T/ R= 1) . . . 30
5.2.12 SYNCHRONIZE WITH DATA WORD (10001; T/ R= 0) . . 30
5.2.13 TRANSMIT LAST COMMAND (10010; T/ R= 1). . . 31
5.2.14 TRANSMIT BIT WORD (10011; T/ R= 1) . . . 31
5.2.15 SELECTED TRANSMITTER SHUTDOWN . . . 31
(10100; T/ R= 0)
5.2.16 OVERRIDE SELECTED TRANSMITTER SHUTDOWN . . 32
(10101; T/ R= 0)
5.2.17 RESERVED MODE CODES (10110- 11111; T/ R= 1) . . 32
5.2.18 RESERVED MODE CODES (10110- 11111; T/ R= 0) . . 33
6.0.0
INITIALIZATION
.
.
.
.
.
.
33
6.1.0
INTERNAL INITIALIZATION .
.
.
.
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33
6.2.0
HOST INITIALIZATION OF NHi-RT .
.
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34
7.0.0
INTERRUPT HANDLING
.
.
.
.
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35
7.1.0
HARDWARE INTERRUPT ACKNOWLEDGE .
.
.
35
7.2.0
SOFTWARE INTERRUPT ACKNOWLEDGE .
.
.
36
8.0.0
PC BOARD CONSIDERATIONS AND GUIDE LINES .
.
36
9.0.0
PIN FUNCTIONAL DESCRIPTION .
.
.
.
37
9.1.0
GENERAL PURPOSE SIGNALS
.
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37
9.2.0
HOST INTERFACE SIGNALS .
.
.
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37
9.3.0
DISCRETE I/O BUS INTERFACE SIGNALS .
.
.
38
9.4.0
MIL BUS INTERFACE SIGNALS
.
.
.
.
39
10.0.0 ELECTRICAL CHARACTERISTICS . . . . 39
10.1.0 ABSOLUTE MAXIMUM RATINGS . . . . 39
10.2.0 OPERATING CONDITIONS . . . . . 39
10.3.0 I/O TYPES & DESCRIPTIONS . . . . . 40
10.4.0 I/O ELECTRICAL CHARACTERISTICS
. . . 40
11.0.0 TIMING DIAGRAMS . . . . . . 41
11.0.1 HOST WRITE CYCLE . . . . . . 41
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Номер в каталогеОписаниеПроизводители
NHI-15991RT(NHI Series) Multi-Protocol Data Bus InterfaceNational Hybrid
National Hybrid

Номер в каталоге Описание Производители
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