CN2793855Y - Microcomputer interface comprehensive experimental device - Google Patents
Microcomputer interface comprehensive experimental device Download PDFInfo
- Publication number
- CN2793855Y CN2793855Y CN 200520071089 CN200520071089U CN2793855Y CN 2793855 Y CN2793855 Y CN 2793855Y CN 200520071089 CN200520071089 CN 200520071089 CN 200520071089 U CN200520071089 U CN 200520071089U CN 2793855 Y CN2793855 Y CN 2793855Y
- Authority
- CN
- China
- Prior art keywords
- chip
- microcomputer
- pin
- interface
- experimental device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002474 experimental method Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- ZHVOBYWXERUHMN-KVJKMEBSSA-N 3-[(3s,5r,8r,9s,10s,13s,14s,17s)-10,13-dimethyl-3-[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-17-yl]-2h-furan-5-one Chemical compound O([C@@H]1C[C@H]2CC[C@@H]3[C@@H]([C@]2(CC1)C)CC[C@]1([C@H]3CC[C@@H]1C=1COC(=O)C=1)C)[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O ZHVOBYWXERUHMN-KVJKMEBSSA-N 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
The utility model relates to a comprehensive experimental device for a microcomputer interface, which is suitable for the experimental teaching of the class of computer interfaces in colleges and secondary schools. The device comprises an experimental platform which is formed by the assembly of a keyboard, a display, an A/D converter, a D/A converter, a wireless communication module, a USB interface module, a multirange digital voltmeter, a chip socket and a pinhole connector which are connected with a power supply wire and a grounding wire, and a corresponding experiment can be carried out by optionally selecting an integrated circuit chip through the arranged chip socket which is matched with a PC card or a microcomputer experimental instrument. The utility model has the advantages of simple structure, low cost, wide range of experiments, convenient use and flexible application.
Description
Technical field
The utility model relates to a kind of microcomputer interface comprehensive experimental device, is particularly useful for the experimental teaching of universities' correlated curriculum, also is applicable to the research and development of Intelligent Apparatus.
Background technology
Along with continuous progress in science and technology, traditional Experiment of Principles of Microcomputers instrument or Fundamentals of Mono-Chip Computers experiment instrument can not satisfy usb bus, the I that occurs in recent years
2The requirement of experiment of C, spi bus, serial a/d, D/A converter, wireless communication technique, up-to-date these class instruments used for education of producing have also just increased the discrete function of above-mentioned technology, still can not satisfy for comprehensive experiment, and expense are higher.
Summary of the invention
In view of the problem that prior art exists, the purpose of this utility model provides a kind of microcomputer interface comprehensive experimental device, it can with original microcomputer interface class instruments used for education and development with the supporting use of emulation instrument, also can be directly and the use of PC card connection.
The utility model microcomputer interface comprehensive experimental device, it comprises the experiment porch of the keypad/display, A/D converter, D/A converter, radio communication unit, usb interface unit, multirange digital voltmeter, chip carrier socket and the assembling of pin hole connector that are connected with ground wire with power lead, cooperates PC card or Microcomputer Experiments instrument can finish multiple different experiment.It is the MAX6959 of MAX695 * series that keypad/display adopts chip, adopts I
2C serial line interface and microcomputer interface line; The A/D converter chip is MAX1111, it and microcomputer interface adopt the SPI serial interface standard, by pin 11,13,14,15, in experiment, be connected, respectively as chip selection signal, serial data synchronizing clock signals, data input signal, data output signal with microcomputer interface; Potentiometer W
1Pin 3 adjustable analog input voltage is provided; The D/A converter chip is MAX515, and it and microcomputer interface adopt the SPI serial interface standard, by pin 1,2,3,4 respectively as data input signal, serial data synchronizing clock signals, chip selection signal, data output signal, draws for being connected with microcomputer in the experiment; Pin 6 is a reference voltage input terminal, by potentiometer W
2The scalable input reference voltage, pin 7 is D/A changing voltage output VOUT; Radio communication unit adopts the PTR2000 module, and pin 3,4 is the output/incoming line of data, connects the serial communication input/output line of single-chip microcomputer, and pin 2 connects the single-chip microcomputer control line for channel selection line, pin 7 are the transmitting-receiving control line after drawing; Chip carrier socket is 40 core DIP packaged chip sockets, the narrow type DIP packaged chip of 28 cores socket, and two socket pins are connected to the pin hole connector respectively.
The utility model microcomputer interface comprehensive experimental device, not only can be directly and the PC card connection use, also can with original microcomputer class instruments used for education and development with the supporting use of emulation instrument, thereby make original teaching experimental, research and development class emulator etc. has increased the experiment content of new interface chip, more comprehensively with I/O basic fundamental A/D, D/A, keyboard, show, wireless telecommunications, USB interface, digital voltmeters etc. are all included, can be plugged on the 8088/8051 class experiment instrument and emulator on, also can be connected on other any microprocessors that external tapping arranged and use.Utilize it can conveniently learn, grasp the application product of relevant technology or exploitation oneself,, can choose integrated circuit (IC) chip wantonly and do corresponding experiment by the chip carrier socket that is provided with.Owing to be to have utilized original instrument and equipment, both increased function, also saved fund, it is simple in structure, the scope of experiment face width, easy to use, applying flexible has practicality widely.
Description of drawings
Accompanying drawing 1 is the utility model microcomputer interface comprehensive experimental device structural drawing.
Accompanying drawing 2 is the keyboard/display circuit figure of the utility model microcomputer interface comprehensive experimental device.
Accompanying drawing 3 is the utility model microcomputer interface comprehensive experimental device A/D circuit diagram.
Accompanying drawing 4 is the utility model microcomputer interface comprehensive experimental device D/A circuit diagram.
Accompanying drawing 5 is the utility model microcomputer interface comprehensive experimental device wireless communication line figure.
Accompanying drawing 6 is the utility model microcomputer interface comprehensive experimental device usb circuit figure.
Accompanying drawing 7 is the utility model microcomputer interface comprehensive experimental device digital voltmeter circuit diagram.
Accompanying drawing 8 is the utility model microcomputer interface comprehensive experimental device hollow sheet socket circuit figure.
Accompanying drawing 9 is the parallel insert row pin hole circuit diagram of the utility model microcomputer interface comprehensive experimental device.
Embodiment
Below in conjunction with accompanying drawing the embodiment in the utility model is further described:
The utility model microcomputer interface comprehensive experimental device, shown in Figure 1, it is by the experiment porch of the keypad/display U1, the A/D converter U2 that are connected with ground wire with power lead, D/A converter U3, radio communication unit U4, usb interface unit U5, multirange digital voltmeter U6, chip carrier socket (simulated socket) U7, U8 and the assembling of pin hole connector, they are independent separately, cooperate PC card or Microcomputer Experiments instrument, use for finishing different experiments, wherein:
Keypad/display U1, shown in Figure 2, adopting chip is the MAX6959 of MAX695 * series, uses I
2C serial line interface and microcomputer interface line, its pin connecting line 1,2,3,4 is respectively SDA, SCA, IRQ; SDA is a serial data line, and SCA is the synchronous serial clock line, and IRQ is the interrupt line that button produces look-at-me.Above-mentioned 4 signals are drawn for being connected with microcomputer in the experiment.The DIG of MAX6959
0/ SEG
0～DIG
3/ SEG
3, SEG
4～SEG
7, INPUT
1, INPUT
2Realize the input of 8 keys and 4 seven sections LED Presentation Functions.
A/D converter U2, shown in Figure 3, the employing chip is MAX1111, adopt the SPI serial interface standard with microcomputer interface, by pin 11,13,14,15, be connected with microcomputer interface in experiment, respectively as chip selection signal, serial data synchronizing clock signals, data input signal, data output signal, microcomputer can be realized the control of A/D converter MAX1111 and the I/O of data by these 4 lines; Potentiometer W
1Pin 3 adjustable analog input voltage is provided.
D/A converter U3, shown in Figure 4, the employing chip is MAX515, adopt the SPI serial interface standard with microcomputer interface, by pin 1,2,3,4 respectively as data input signal, serial data synchronizing clock signals, chip selection signal, data output signal, draws for being connected with microcomputer in the experiment; Pin 6 is a reference voltage input terminal, by potentiometer W
2The scalable input reference voltage, pin 7 is D/A changing voltage output VOUT.
Radio communication unit U4, shown in Figure 5, adopt the PTR2000 module, pin 3,4 is the output/incoming line of data, connects the serial communication input/output line of microcomputer in the experiment, pin 2 connects the system controlled by computer line for channel selection line, pin 7 are the transmitting-receiving control line in experiment.
Usb interface unit U5, shown in Figure 6, its P0.0～P0.7 extension line is a USB module data line, order sheet machine data line in the experiment, P1.0～P1.3 extension line is a control line, connects the single-chip microcomputer control line in the experiment, USB interface J
10In experiment, connect the PC USB interface.
Multirange digital voltmeter U6, shown in Figure 7, be provided with 20mV, 2V, 20V voltage range by connector P
3Insert measuring voltage.
Chip carrier socket, shown in Figure 8,40 core DIP packaged chip socket U7, the narrow type DIP packaged chip of 28 cores socket U8, socket pins meets pin hole connector, P respectively
4, P
7, P
8, P
11Be hole connector, P
5, P
6, P
9, P
10Be needle connector, can be in order to increase other Experiment of Electrical Circuits.
The pin hole connector, shown in Figure 9, for easy-to-connect, adopt two group of 5 * 8 pin, hole connector, every group 3 socket pin, 2 socket holes, every row's 8 pins/hole.
In order to test the needs of ground connection, be provided with a plurality of earth points, be respectively forms such as pin, hole, folder hole.
Claims (6)
1. microcomputer interface comprehensive experimental device, it comprises PC card or Experiment of Principles of Microcomputers instrument or Fundamentals of Mono-Chip Computers experiment instrument, it is characterized in that: it also comprises the experiment porch of keypad/display (U1), A/D converter (U2), D/A converter (U3), radio communication unit (U4), usb interface unit (U5), multirange digital voltmeter (U6) and the chip carrier socket (U7), (U8) and the assembling of pin hole connector that are connected with ground wire with power lead.
2. microcomputer interface comprehensive experimental device according to claim 1 is characterized in that: it is the MAX6959 of MAX695 * series that described keypad/display (U1) adopts chip, adopts I
2C serial line interface and microcomputer interface line.
3. microcomputer interface comprehensive experimental device according to claim 1, it is characterized in that: described A/D converter (U2) chip is MAX1111, it and microcomputer interface adopt the SPI serial interface standard, by pin 11,13,14,15, in experiment, be connected, respectively as chip selection signal, serial data synchronizing clock signals, data input signal, data output signal with microcomputer interface; Potentiometer W
1Pin 3 adjustable analog input voltage is provided.
4. microcomputer interface comprehensive experimental device according to claim 1, it is characterized in that: described D/A converter (U3) chip is MAX515, it and microcomputer interface adopt the SPI serial interface standard, by pin 1,2,3,4 respectively as data input signal, serial data synchronizing clock signals, chip selection signal, data output signal, draws for being connected with microcomputer in the experiment; Pin 6 is a reference voltage input terminal, by potentiometer W
2, the scalable input reference voltage, pin 7 is D/A changing voltage output VOUT.
5. microcomputer interface comprehensive experimental device according to claim 1, it is characterized in that: described radio communication unit (U4) adopts the PTR2000 module, pin 3,4 is the output/incoming line of data, connect the serial communication input/output line of single-chip microcomputer, pin 2 connects the single-chip microcomputer control line for channel selection line, pin 7 are the transmitting-receiving control line after drawing.
6. microcomputer interface comprehensive experimental device according to claim 1 is characterized in that: described chip carrier socket (U7) is 40 core DIP packaged chip sockets, the narrow type DIP packaged chip of 28 cores socket (U8), and two socket pins are connected to pin, hole connector respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071089 CN2793855Y (en) | 2005-04-23 | 2005-04-23 | Microcomputer interface comprehensive experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071089 CN2793855Y (en) | 2005-04-23 | 2005-04-23 | Microcomputer interface comprehensive experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793855Y true CN2793855Y (en) | 2006-07-05 |
Family
ID=36820995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520071089 Expired - Fee Related CN2793855Y (en) | 2005-04-23 | 2005-04-23 | Microcomputer interface comprehensive experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2793855Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881204A (en) * | 2012-10-29 | 2013-01-16 | 焦作大学 | Digital experimental system based on universal serial bus (USB) and virtual instrument |
| CN104392639A (en) * | 2014-11-27 | 2015-03-04 | 华北电力大学 | Computer input and output interface working principle teaching visual simulation system |
| CN106781814A (en) * | 2017-02-16 | 2017-05-31 | 天津职业技术师范大学 | A kind of plug-in real training development device |
| CN110544422A (en) * | 2019-09-06 | 2019-12-06 | 江苏科瑞德智控自动化科技有限公司 | Comprehensive capability training platform based on 51-single-chip microcomputer pin and jack combination |
-
2005
- 2005-04-23 CN CN 200520071089 patent/CN2793855Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881204A (en) * | 2012-10-29 | 2013-01-16 | 焦作大学 | Digital experimental system based on universal serial bus (USB) and virtual instrument |
| CN104392639A (en) * | 2014-11-27 | 2015-03-04 | 华北电力大学 | Computer input and output interface working principle teaching visual simulation system |
| CN106781814A (en) * | 2017-02-16 | 2017-05-31 | 天津职业技术师范大学 | A kind of plug-in real training development device |
| CN110544422A (en) * | 2019-09-06 | 2019-12-06 | 江苏科瑞德智控自动化科技有限公司 | Comprehensive capability training platform based on 51-single-chip microcomputer pin and jack combination |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2793855Y (en) | Microcomputer interface comprehensive experimental device | |
| CN101281697A (en) | Multifunctional single-chip experimental development plate | |
| CN201278232Y (en) | Teaching and experiment system for virtual instrument technique | |
| CN103390364A (en) | Comprehensive experiment platform for electronic technology | |
| CN101989390A (en) | Multi-core embedded type teaching and scientific research platform | |
| CN2814564Y (en) | Embedded intelligent digital circuit experimental instrument | |
| CN201655080U (en) | Embedded extensible teaching experimental platform equipment | |
| CN202033911U (en) | Singlechip interactive teaching system | |
| CN202871158U (en) | Experiment teaching and development board for one-chip microcomputers | |
| CN105469678A (en) | Comprehensive experiment platform based on NI myDAQ and construction method thereof | |
| CN2814560Y (en) | Step voltage experimental device | |
| CN110610639A (en) | Course extensible comprehensive teaching experiment platform | |
| CN201203981Y (en) | Intelligent building remote meter-reading experimental bench | |
| CN201156341Y (en) | Multifunctional experiment development and teaching apparatus based on DSP chip | |
| CN210983953U (en) | Novel circuit and system experiment device | |
| CN210925146U (en) | Course extensible comprehensive teaching experiment platform | |
| CN209607253U (en) | A kind of portable analog circuitry experimental plate | |
| CN209729226U (en) | A kind of multi-functional element circuit intelligent measurement maintenance training system | |
| CN2284963Y (en) | Portable multi-functional and expandable digital circuit tester | |
| CN202422525U (en) | Single-chip microcomputer USB (universal serial bus)-ISP (internet service provider) experimental device | |
| CN203232677U (en) | Liquid crystal display test circuit | |
| CN207924975U (en) | A kind of portable numerical model analysis electronic experimental box | |
| CN101901562B (en) | Electronic control experimental device | |
| CN2689373Y (en) | Network wire experimental device of computer | |
| CN213520590U (en) | Open source hardware Arduino IO expansion board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |