CN206349044U - One kind is based on singlechip comprehensive experimental equipment - Google Patents
One kind is based on singlechip comprehensive experimental equipment Download PDFInfo
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- CN206349044U CN206349044U CN201621495068.2U CN201621495068U CN206349044U CN 206349044 U CN206349044 U CN 206349044U CN 201621495068 U CN201621495068 U CN 201621495068U CN 206349044 U CN206349044 U CN 206349044U
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Abstract
Singlechip comprehensive experimental equipment is based on the utility model discloses one kind, MSP430F5529 single-chip microcomputers are connected by the UART modules above it with RS232 interfaces, GPIO modules and CC2520 communication interfaces, LED, touch and press chain, LCDs, infrared receiver decoder is connected, SPI modules and digital hygro sensor, audio output interface, SD card is connected, I2C modules and matrix keyboard, bq27510 g2 managing electric quantity chips, resistance measuring circuit is connected, ADC and roller type potentiometer, waveform acquisition circuit, audio input circuit, current detection circuit, electric machine speed regulation module, resistance measuring circuit is connected, timer and electric machine speed regulation module, buzzer, frequency measurement phase tracking circuit is connected, I/O port is connected with Independent keys, voltage comparator is connected with capacitance touch keyboard, the utility model is simple in construction, used suitable for school instruction, it is easy to operate, it is readily appreciated that.
Description
Technical field
The utility model is related to single-chip microcomputer and instructional device technical field, specifically a kind of to be integrated in fact based on single-chip microcomputer
Experiment device.
Background technology
Single-chip microcomputer is to realize the acp chip that bottom automation and various equipment controles are controlled at present, and its application is electrical type
A special kind of skill that university student must grasp.Domestic singlechip experimental facility is mostly based on 51, AVR, PIC and X86 single-chip microcomputer,
Its experiment content is relatively easy, monolithic performance falls behind relatively, and MSP430 single-chip microcomputers are with its super low-power consumption, powerful processing energy in recent years
The features such as power, progressively replace the single-chip microcomputer of other models, obtain wide；Using.So, it is familiar with New Type of Chip Microcomputer, makes student
The technology of study closelys follow the paces of era development, very necessary.
But the experimental provision in the market based on MSP430 series, mainly for low side MSP430 chips.For height
MSP430x5, x6 series monolithic at end, rare corresponding experimental provision is for high-end chip on the market, and MSP430F5529 is minimum
System board facilitates student's experiments out of class, but experiment content is less when tie course is used, if need to extend out, it is necessary to which student starts
Aerial lug, quite cumbersome, unsuitable school instruction is used.Therefore the development of its experimental provision is also just quite important.
Therefore, for overcome the shortcomings of above-mentioned technology design it is a it is simple in construction, suitable for school instruction use, operation
One kind that is convenient, being readily appreciated that is based on singlechip comprehensive experimental equipment, exactly inventor's problem to be solved.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide one kind based on singlechip comprehensive experimental equipment,
Its is simple in construction, it is adaptable to which school instruction is used, easy to operate, it is readily appreciated that.
The utility model solves the technical scheme that its technical problem used：One kind is based on singlechip comprehensive experimental dress
Put, including MSP430F5529LauchPad core boards, power module, set on the MSP430F5529LauchPad core boards
There are MSP430F5529 singlechip chips, I2C modules, USB interface, UART modules, GPIO modules, SPI modules, voltage comparator,
I/O port, timer, the ADC interrupted with pin, the MSP430F5529 singlechip chips pass through UART modules and RS232
Interface connect, the GPIO modules respectively with CC2520 communication interfaces, LED, touch key-press, LCDs, infrared receiver
Decoder is connected, and the SPI modules are connected with digital hygro sensor, audio output interface, SD card respectively, the I2C moulds
Block is connected with matrix keyboard, bq27510-g2 managing electric quantities chip, resistance measuring circuit respectively, the ADC respectively with rolling
Wheeled potentiometer, waveform acquisition circuit, audio input circuit, current detection circuit, electric machine speed regulation module, resistance measuring circuit connect
Connect, the timer is connected with electric machine speed regulation module, buzzer, frequency measurement phase tracking circuit respectively, the I/O port connection
There are Independent keys, the voltage comparator is connected with capacitance touch keyboard.
Further, the USB interface is connected with the primary automatic selector switch on power module, and the primary is automatically selected
Switch is powered by 5V dc sources, and described primary automatic selector switch one end is connected by bq24090 chargers and single lithium battery
Connect, the primary automatic selector switch other end is connected with two grades of automatic selector switch, two grades of automatic selector switch pass through
LDO voltage stabilizer is connected with magnetic bead isolation circuit.
Further, the SPI modules are also associated with SPI spare interfaces.
Further, the I2I is connected with C modules2C spare interfaces.
The beneficial effects of the utility model are：
1st, the utility model is simple in construction, it is adaptable to which school instruction is used, easy to operate, it is readily appreciated that, it is based on
The comprehensive experimental device of MSP430F5529 single-chip microcomputers, the experiment module different from experimental provision, which is engaged, can carry out two major classes
Experiment, with multiple specific experiments, covers all peripheral modules of single-chip microcomputer, helps to grasp the think of of mcu programming comprehensively
Path method.Control effect is good, and experiment effect is directly perceived, the space for also having combination between different experiment modules in addition, Xue Shengke
Comprehensive multiple module selfs design more complicated Comprehensive Experiment.The experimental provision can be used as single-chip learning, the exploitation of match
Instrument, with preferable reference and use value.
Brief description of the drawings
Fig. 1 is the utility model system architecture diagram.
Fig. 2 is the utility model battery electric quantity management module circuit theory diagrams.
Fig. 3 is the utility model frequency measurement and phase tracking module circuit theory diagrams.
Fig. 4, Fig. 5 are the utility model electric machine speed regulation modular circuit schematic diagrams.
Embodiment
With reference to specific embodiment, the utility model is expanded on further, it should be appreciated that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values also fall within application
Appended claims limited range.
It is the utility model system architecture diagram referring to Fig. 1, structure one kind is based on singlechip comprehensive experimental equipment, including
It is provided with MSP430F5529LauchPad core boards, power module, MSP430F5529LauchPad core boards
MSP430F5529 singlechip chips, I2C modules, USB interface, UART modules, GPIO modules, SPI modules, voltage comparator, band
I/O port, timer, the ADC of pin interruption, MSP430F5529 singlechip chips pass through UART modules and RS232 interfaces connect
Connect, GPIO modules are connected with CC2520 communication interfaces, LED, touch key-press, LCDs, infrared receiver decoder respectively,
SPI modules are connected with digital hygro sensor, audio output interface, SD card respectively, I2C modules respectively with matrix keyboard,
Bq27510-g2 managing electric quantities chip, resistance measuring circuit connection, ADC are electric with roller type potentiometer, waveform acquisition respectively
Road, audio input circuit, current detection circuit, electric machine speed regulation module, resistance measuring circuit connection, timer are adjusted with motor respectively
Fast module, buzzer, the connection of frequency measurement phase tracking circuit, I/O port are connected with Independent keys, and voltage comparator is connected with electricity
Hold touch keyboard.USB interface is connected with the primary automatic selector switch on power module, and primary automatic selector switch is by 5V direct currents
Power supply is powered, and primary automatic selector switch one end is connected by bq24090 chargers with single lithium battery, and primary is automatically selected out
Close the other end to be connected with two grades of automatic selector switch, two grades of automatic selector switch are connected by LDO voltage stabilizer and magnetic bead isolation circuit
Connect, SPI modules are also associated with SPI spare interfaces, I2I is connected with C modules2C spare interfaces.
Comprehensive experimental device based on MSP430F5529 single-chip microcomputers uses the structure of " core board+motherboard ", by
The experiment that MSP430F5529LauchPad core boards, motherboard two parts composition experimental provision can be carried out is divided into modularized experiment and comprehensive
Close two major classes of experiment.Wherein, modularized experiment includes：System clock experiment, low-power consumption experiment I/O experiment LCD liquid crystal displays are real
Test, comparator module is tested, flash storage is tested, ADC analog-digital converters are tested, dma controller is tested, serial communication mould
Block is tested and hardware multiplier experiment；Comprehensive Experiment includes：The experiment of capacitance touch button experiment DHT11 temperature and humidity measurements, calculating
Device experiment, Micro SD cards read-write experiment, frequency measurement and Phase Tracking experiment, direct current generator experiment, stepper motor experiment,
FFT spectrum analysis experiment, FIR filtering experiments.
It is the utility model battery electric quantity management module circuit theory diagrams, electric quantity of lithium battery management misconduct module referring to Fig. 2
Using single lithium battery managing electric quantity chip bq27510-g2, there is the chip I2C interfaces can read lithium electricity by single-chip microcomputer
The parameters such as cell voltage, dump energy, electric discharge remaining time, charging remaining time, charging and discharging currents, battery temperature.BAT+ and
BAT- connects respectively at the both positive and negative polarity of lithium battery.Pin 11,12 is that I2C communications pin R41 is that resistance is 0.01 high accuracy inspection stream
Resistance, is followed by chip internal coulomb counter after filtering.The pin of chip 1 can provide constant-current source for temperature survey, in order to measure
External resistance is 10k negative tempperature coefficient thermistor in lithium battery surface temperature, circuit, and chip temperature is sent into after being filtered by RC
It is lithium battery state instruction pin to spend collection terminal TS pins 12, is the output of open-drain pole, can be configured to the low alarm of electric quantity of lithium battery or
Battery normally indicates function, and the break-make for controlling N-MOSEFETBSS138 is pulled up by resistance R21.
The utility model frequency measurement and phase tracking module circuit theory diagrams referring to Fig. 3, frequency measurement and phase with
Track module can complete to measure the frequency for inputting sinusoidal signal, and to the function of its Phase Tracking, hardware circuit is by frequency
Measuring circuit, phase tracking circuit and the part of filter circuit three composition, the sine wave produced by signal generator are inclined by direct current
After circuits, then by comparator progress shaping, into single-chip microcomputer, the measurement of frequency is completed by the timer of single-chip microcomputer.
The filtered circuit of SPWM signals that single-chip microcomputer is sent, becomes sine wave, delivers to phase tracking circuit；Through biasing, it is whole
Shape and anti-phase, delivers to the timer of single-chip microcomputer.Timer enters to the two paths of signals through frequency measurement circuit and phase tracking circuit
Row phase demodulation, obtains phase difference, to adjust the phase for the PWM ripples that single-chip microcomputer is produced, and the upper signal generator of its tracking is produced signal
Phase.
It is the utility model electric machine speed regulation modular circuit schematic diagram referring to Fig. 4, Fig. 5, electric machine speed regulation experiment module includes electricity
Drive circuit and direct current generator tachometer circuit two parts, wherein in order to provide enough driving currents, motor driving to motor
Circuit drives a direct current generator and a five line four phase step motors from motor drive ic ULN2003.
DC motor speed measuring circuit is made up of the U-shaped optocoupler that tests the speed, when the code-disc on DC motor shaft is in the light that tests the speed
When rotating in coupling groove, export PWM frequency value to determine motor speed according to optocoupler, in addition in an experiment, direct current generator and stepping
The rotating speed of motor is adjusted by the roller resistance on experimental provision.
Comprehensive experimental device of the utility model based on MSP430F5529 single-chip microcomputers, the experiment different from experimental provision
Module, which is engaged, can carry out two major class experiments, with multiple specific experiments, cover all peripheral modules of single-chip microcomputer, contribute to
The idea and method of mcu programming is grasped comprehensively.Control effect is good, and experiment effect is directly perceived, in addition between different experiment modules
The space also combined, student can integrate multiple module selfs and design more complicated Comprehensive Experiment.The experimental provision can conduct
Single-chip learning, the developing instrument of match, with preferable reference and use value.
Claims (4)
1. one kind is based on singlechip comprehensive experimental equipment, it is characterised in that：Including MSP430F5529LauchPad core boards, electricity
MSP430F5529 singlechip chips, I are provided with source module, the MSP430F5529LauchPad core boards2C modules, USB
Interface, UART modules, GPIO modules, SPI modules, voltage comparator, the I/O port interrupted with pin, timer, ADC, institute
State MSP430F5529 singlechip chips to be connected with RS232 interfaces by UART modules, the GPIO modules are logical with CC2520 respectively
Communication interface, LED, touch key-press, LCDs, the connection of infrared receiver decoder, the SPI modules are warm and humid with numeral respectively
Spend sensor, audio output interface, SD card connection, the I2C modules respectively with matrix keyboard, bq27510-g2 managing electric quantity cores
Piece, resistance measuring circuit connection, the ADC respectively with roller type potentiometer, waveform acquisition circuit, audio input circuit,
Current detection circuit, electric machine speed regulation module, resistance measuring circuit connection, the timer respectively with electric machine speed regulation module, buzzing
Device, the connection of frequency measurement phase tracking circuit, the I/O port are connected with Independent keys, and the voltage comparator is connected with capacitive touch
Touch keyboard.
2. it is according to claim 1 a kind of based on singlechip comprehensive experimental equipment, it is characterised in that：The USB interface with
Primary automatic selector switch connection on power module, the primary automatic selector switch is powered by 5V dc sources, described first
Level automatic selector switch one end is connected by bq24090 chargers with single lithium battery, and the primary automatic selector switch is another
End is connected with two grades of automatic selector switch, and two grades of automatic selector switch are connected by LDO voltage stabilizer with magnetic bead isolation circuit.
3. it is according to claim 1 a kind of based on singlechip comprehensive experimental equipment, it is characterised in that：The SPI modules are also
It is connected with SPI spare interfaces.
4. it is according to claim 1 a kind of based on singlechip comprehensive experimental equipment, it is characterised in that：The I2Connect in C modules
It is connected to I2C spare interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621495068.2U CN206349044U (en) | 2016-12-25 | 2016-12-25 | One kind is based on singlechip comprehensive experimental equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621495068.2U CN206349044U (en) | 2016-12-25 | 2016-12-25 | One kind is based on singlechip comprehensive experimental equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206349044U true CN206349044U (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621495068.2U Expired - Fee Related CN206349044U (en) | 2016-12-25 | 2016-12-25 | One kind is based on singlechip comprehensive experimental equipment |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242192A (en) * | 2018-01-30 | 2018-07-03 | 上海乐田教育科技有限公司 | A kind of main control module for teaching programming plate |
| CN108983760A (en) * | 2018-10-16 | 2018-12-11 | 昆明北方红外技术股份有限公司 | Function of the MCU and source current test device |
| CN109361400A (en) * | 2018-12-03 | 2019-02-19 | 天津七二移动通信有限公司 | A kind of intelligence key module and its implementation |
| CN111292596A (en) * | 2020-01-09 | 2020-06-16 | 北京中诚博睿教育科技有限公司 | Children intelligence-developing teaching aid with electronic calculator |
-
2016
- 2016-12-25 CN CN201621495068.2U patent/CN206349044U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242192A (en) * | 2018-01-30 | 2018-07-03 | 上海乐田教育科技有限公司 | A kind of main control module for teaching programming plate |
| CN108983760A (en) * | 2018-10-16 | 2018-12-11 | 昆明北方红外技术股份有限公司 | Function of the MCU and source current test device |
| CN109361400A (en) * | 2018-12-03 | 2019-02-19 | 天津七二移动通信有限公司 | A kind of intelligence key module and its implementation |
| CN111292596A (en) * | 2020-01-09 | 2020-06-16 | 北京中诚博睿教育科技有限公司 | Children intelligence-developing teaching aid with electronic calculator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20171225 |