CN106155955A - The computer system of one kind of multiple I/O interface - Google Patents
The computer system of one kind of multiple I/O interface Download PDFInfo
- Publication number
- CN106155955A CN106155955A CN201510148418.1A CN201510148418A CN106155955A CN 106155955 A CN106155955 A CN 106155955A CN 201510148418 A CN201510148418 A CN 201510148418A CN 106155955 A CN106155955 A CN 106155955A
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- interface
- control chip
- computer system
- external equipment
- serial ports
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- 230000005611 electricity Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The present invention relates to the computer system of one kind of multiple I/O interface, including task computation subsystem, multiple I/O interface plate, isa bus connecting line, transfer bus and external equipment, described task computation subsystem, multiple I/O interface plate are connected with transfer bus respectively, described task computation subsystem is connected with multiple I/O interface plate by isa bus connecting line, and described multiple I/O interface plate is connected with external equipment.Compared with prior art, the present invention have board area sufficient, can integrated multiple I/O interface, extendibility be good and the advantage such as product life cycle length.
Description
Technical field
The present invention relates to the interfacing of one kind of multiple IO, especially relate to a kind of multiple under industrial environment
The computer system of I/O interface.
Background technology
The effect of I/O interface is main frame and extraneous exchange information.Main frame and the exchange of extraneous information be by input/
Outut device is carried out.General input-output apparatus is all machinery or the product that combines of electromechanics, and ratio is as usual
That advises is externally provided with keyboard, display, printer, scanner, disc unit, Genius mouse etc., and they are relative at a high speed
Central processing unit for, speed is more slowly.Additionally, the signal form of different peripheral, data form also each the most not
Identical.Therefore, external equipment can not be joined directly together with CPU, need by corresponding circuit complete them it
Between speeds match, signal conversion, and complete some control function.Generally between main frame and peripheral hardware
Plant buffer circuit and be referred to as I/O interface circuit, be called for short I/O interface (Interface).In industrial settings, existing base
The usual limited area of board in single Multibus bus, it is impossible to integrated multiple I/O interface, this greatly reduces product
The life cycle of product.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide a kind of board area to fill
Foot, can integrated multiple I/O interface, extendibility be good and the computer of the multiple I/O interface of product life cycle length
System.
The purpose of the present invention can be achieved through the following technical solutions:
The computer system of one kind of multiple I/O interface, it is characterised in that include task computation subsystem, multiple IO
Interface board, isa bus connecting line, transfer bus and external equipment, described task computation subsystem, multiple IO
Interface board is connected with transfer bus respectively, and described task computation subsystem passes through isa bus connecting line with multiple
I/O interface plate connects, and described multiple I/O interface plate is connected with external equipment.
Described task computation subsystem includes central processing unit and the internal memory being connected respectively, electricity with central processing unit
Erasing memorizer, power management module and multibus controller, described multibus controller is total with ISA respectively
Line connecting line and transfer bus connect.
Described central processing unit uses Intel 80486 type CPU.
Described multiple I/O interface plate includes isa bus controller and is connected with isa bus controller respectively
Parallel port control chip, RS422 serial ports control chip, RS232 serial ports control chip, described parallel port control chip,
RS422 serial ports control chip, RS232 serial ports control chip are connected with the external equipment with the corresponding interface respectively.
Described external equipment is connected with parallel port control chip by parallel interface cable, and described external equipment passes through
RS422 cable is connected with RS422 serial ports control chip, and described external equipment passes through RS232 cable and RS232
Serial ports control chip connects.
Described transfer bus is Multibus bus.
Compared with prior art, the invention have the advantages that
1, board area sufficient, can integrated multiple I/O interface, computer system is by the outer isa bus of plate even
Wiring achieves the integrated of multiple I/O interface.
2, computer system extendibility is good, can adjust the multiple IO of insertion along with the increase and decrease of external equipment quantity
The quantity of interface card.
3, the life cycle of product is long, and this system is especially suitable for the industrial products needing to use for a long time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the workflow diagram of the present invention.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As it is shown in figure 1, the computer system of one kind of multiple I/O interface, including central processing unit 11, internal memory 12,
Electrically-erasable memory 13, power management module 14, multibus controller 15, isa bus controller 21, parallel port
Control chip 22, RS422 serial ports control chip 23, RS232 serial ports control chip 24, transfer bus 3 and outer
Portion's equipment 4, described central processing unit 11 respectively with internal memory 12, electrically-erasable memory 13, power management module
14, task computation subsystem 1, described isa bus controller 21 points are formed after multibus controller 15 connects
Group after not being connected with parallel port control chip 22, RS422 serial ports control chip 23, RS232 serial ports control chip 24
Become multiple I/O interface plate 2, described external equipment 4 by different types of cable 5 and parallel port control chip 22,
RS422 serial ports control chip 23, RS232 serial ports control chip 24 are connected, described task computation subsystem 1
It is connected and fixed on transfer bus 3 by isa bus connecting line 6 with multiple I/O interface plate 2.
Described central processing unit 11 uses Intel 80486 type CPU.Described transfer bus 3 is
Multibus bus.
As in figure 2 it is shown, the workflow of the present invention is as follows:
1) to system power supply；
2) program in electrically erasable chip is loaded into internal memory；
3) program in running memory；
4) serial ports (parallel port) of the program isa bus by being connected in plate and external device communication.
The computer system of the multiple I/O interface of the present invention, utilizes the outer isa bus connecting line of plate, solves dexterously
Single Multibus bus board limited area, cannot the problem of integrated multiple I/O interface.
The computer system extendibility of multiple I/O interface is good.Use this kind multiple I/O interface based on Multibus
The industrial equipment of computer system, if needing to connect an external equipment in the future, it is only necessary to insert one piece multiple
I/O interface card.So, the life cycle of product is farthest extended.This system is especially suitable for
Need the long-time industrial products used.
Claims (6)
1. the computer system of one kind of multiple I/O interface, it is characterised in that include task computation subsystem, many
Kind of I/O interface plate, isa bus connecting line, transfer bus and external equipment, described task computation subsystem,
Multiple I/O interface plate is connected with transfer bus respectively, and described task computation subsystem passes through isa bus connecting line
Being connected with multiple I/O interface plate, described multiple I/O interface plate is connected with external equipment.
The computer system of one kind of multiple I/O interface the most according to claim 1, it is characterised in that institute
The task computation subsystem stated includes that central processing unit and the internal memory, the electrically erasable that are connected with central processing unit respectively are deposited
Reservoir, power management module and multibus controller, described multibus controller is connected with isa bus respectively
Line and transfer bus connect.
The computer system of one kind of multiple I/O interface the most according to claim 2, it is characterised in that institute
The central processing unit stated uses Intel 80486 type CPU.
The computer system of one kind of multiple I/O interface the most according to claim 1, it is characterised in that institute
The multiple I/O interface plate stated includes isa bus controller and the parallel port control being connected respectively with isa bus controller
Coremaking sheet, RS422 serial ports control chip, RS232 serial ports control chip, described parallel port control chip, RS422
Serial ports control chip, RS232 serial ports control chip are connected with the external equipment with the corresponding interface respectively.
The computer system of one kind of multiple I/O interface the most according to claim 4, it is characterised in that institute
The external equipment stated is connected with parallel port control chip by parallel interface cable, and described external equipment is by RS422 electricity
Cable is connected with RS422 serial ports control chip, and described external equipment is by RS232 cable and RS232 serial ports control
Coremaking sheet connects.
The computer system of one kind of multiple I/O interface the most according to claim 1, it is characterised in that institute
The transfer bus stated is Multibus bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148418.1A CN106155955A (en) | 2015-03-31 | 2015-03-31 | The computer system of one kind of multiple I/O interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148418.1A CN106155955A (en) | 2015-03-31 | 2015-03-31 | The computer system of one kind of multiple I/O interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106155955A true CN106155955A (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510148418.1A Pending CN106155955A (en) | 2015-03-31 | 2015-03-31 | The computer system of one kind of multiple I/O interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106155955A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309655A (en) * | 2020-01-21 | 2020-06-19 | 上海齐网网络科技有限公司 | Bus interface with compatibility |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6047349A (en) * | 1997-06-11 | 2000-04-04 | Micron Electronics, Inc. | System for communicating through a computer system bus bridge |
| CN203241881U (en) * | 2013-05-15 | 2013-10-16 | 精航伟泰测控仪器（北京）有限公司 | Equivalent space-borne computer system |
-
2015
- 2015-03-31 CN CN201510148418.1A patent/CN106155955A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6047349A (en) * | 1997-06-11 | 2000-04-04 | Micron Electronics, Inc. | System for communicating through a computer system bus bridge |
| CN203241881U (en) * | 2013-05-15 | 2013-10-16 | 精航伟泰测控仪器（北京）有限公司 | Equivalent space-borne computer system |
Non-Patent Citations (1)
| Title |
|---|
| 宋春雷等: "浅论MULTIBUSⅠ总线技术及其应用", 《工业控制计算机》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309655A (en) * | 2020-01-21 | 2020-06-19 | 上海齐网网络科技有限公司 | Bus interface with compatibility |
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Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |