CN206574350U - A kind of teaching experiment board based on double-core - Google Patents
A kind of teaching experiment board based on double-core Download PDFInfo
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- CN206574350U CN206574350U CN201621323053.8U CN201621323053U CN206574350U CN 206574350 U CN206574350 U CN 206574350U CN 201621323053 U CN201621323053 U CN 201621323053U CN 206574350 U CN206574350 U CN 206574350U
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Abstract
The utility model discloses a kind of teaching experiment board based on double-core, including main exploitation plate module and graphic programming module, main exploitation plate module is provided with MCU control assemblies, download circuit, communicating circuit, input control circuit, output control circuit, sensor circuit and the first power module, MCU control assemblies are the single-chip minimum system being made up of MCU controllers and its peripheral circuit, MCU controllers respectively with download circuit, communicating circuit, input control circuit, output control circuit, sensor circuit is connected, graphic programming module includes arm processor, touch display screen and second source module, arm processor is connected by download circuit with MCU controllers, touch display screen is connected with arm processor.The utility model can provide base hardware platform for single-chip microcomputer graphical programming environment, can reduce the difficulty that beginner learns single-chip microcomputer, meet the different design requirement of developer, have the advantages that functional module is more, simple to operation.
Description
Technical field
The utility model is related to teaching experiment board, and in particular to it is a kind of support single-chip microcomputer graphic programming based on double-core
The teaching experiment board of the heart.
Background technology
Program code, i.e., be combined by flow chart programming with intuitively figure, and user need not when being patterned programming
Consider program syntax, the strict demand of syntax, have the advantages that program structure is directly perceived, should be readily appreciated that, interactive mode it is simple, will be big
Amount saves the human resources and time consumption of software development.The graphical programming language of current main flow, is to utilize computer technology
Complicated, loaded down with trivial details, time-consuming programming problem and study C++ important breakthrough is solved, compared with traditional programming language, can be saved
80% program development time.Main programmed for convenience of embedded system worker of embedded system development platform needs, and reduces and compiles
Journey workload, reduces the program that beginner learns built-in system software.Therefore flow diagram program compiling platform, realizes that collection is pre-
Processing, compiling, compilation, link and hardware operation are in the pattern development platform of one.But, a be directed to not yet is possessed at present
In the teaching experiment board of pattern development Platform Designing, it is impossible to meet this class developer study, the demand of research and development.
Utility model content
The technical problems to be solved in the utility model：Above mentioned problem for prior art there is provided one kind can be monolithic
Machine graphical programming environment provides base hardware platform, can reduce the difficulty that beginner learns single-chip microcomputer, meet developer not
Same design requirement, functional module is more, the teaching experiment board simple to operation based on double-core.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of teaching experiment board based on double-core, including main exploitation plate module and graphic programming module, the master open
Send out plate module and be provided with MCU control assemblies, download circuit, communicating circuit, input control circuit, output control circuit, sensor
Circuit and the first power module, the MCU control assemblies are the single-chip microcomputer minimum being made up of MCU controllers and its peripheral circuit
System, the MCU controllers are electric with download circuit, communicating circuit, input control circuit, output control circuit, sensor respectively
Road is connected, the output end of first power module respectively with MCU controllers and its peripheral circuit, download circuit, communicating circuit,
Input control circuit, output control circuit, sensor circuit are connected, and the graphic programming module includes arm processor, touched
Display screen and second source module, the arm processor are connected by download circuit with MCU controllers, the touch display screen
It is connected with arm processor, the output end of the second source module is connected with arm processor, touch display screen respectively.
Preferably, the download circuit includes JTAG download circuits and USB download circuits, and the graphic programming module is also
Including J-link debuggers, the arm processor is connected by J-link debuggers, JTAG download circuits with MCU controllers, institute
Arm processor is stated by USB download circuits with MCU controllers to be connected.
Preferably, the communicating circuit includes serial communication circuit, spi bus telecommunication circuit and iic bus telecommunication circuit,
The serial communication circuit, spi bus telecommunication circuit and iic bus telecommunication circuit are connected with MCU controllers respectively.
Preferably, the input control circuit includes Independent keys circuit, touch key-press circuit and signal input interface J5,
The Independent keys circuit includes three Independent keys KEY0~KEY2, and the touch key-press circuit includes touch key-press chip
U7, touch key-press U6, touch key-press U8 and touch key-press U9, three Independent keys KEY0~KEY2 respectively with MCU controllers
It is connected, the touch key-press U6, touch key-press U8, touch key-press U9 pass through touch key-press chip U7 and MCU controller phases respectively
Even, the signal input interface J5 is connected with the ADC input terminals and DAC input terminals of MCU controllers.
Preferably, the output control circuit includes seven color LED LED-RGB, buzzer, serial ports display screen U10 and PWM
Output interface U11, the seven colors LED LED-RGB control end respectively with the LED control terminals LED 0 of MCU controllers~
LED 2 is connected, and the buzzer is connected with the lead-out terminal BEEP of MCU controllers, and the serial ports display screen U10 and MCU is controlled
The lead-out terminal HMI TX/HMI RX of device are connected, and the PWM output interfaces U11 is connected with the lead-out terminal PWM of MCU controllers.
Preferably, it is that NPN type is brilliant that the buzzer, which includes resistance R21, transistor Q3 and loudspeaker BEEP, the transistor Q3,
Body pipe, the base stage of the transistor Q3 is connected by resistance R21 with the lead-out terminal BEEP of MCU controllers, the transistor Q3
Grounded collector, the emitter stage of the transistor Q3 is connected with loudspeaker BEEP P terminals, the G terminals of the loudspeaker BEEP and
The 5V output ends of first power module are connected.
Preferably, the sensor circuit includes temperature sensing circuit, and the temperature sensing circuit includes temperature sensor
U4, resistance R17 and electric capacity C16, the VCC pin of the temperature sensor U4 and the 3.3V output ends of the first power module be connected and
It is grounded by electric capacity C16, the output pin DQ of the temperature sensor U4 is connected with the input terminal DQ of MCU controllers, described
Temperature sensor U4 output pin DQ is grounded by resistance R17, NC the and GND pins ground connection of the temperature sensor U4.
Preferably, the sensor circuit includes photosensitive circuit, and the photosensitive circuit includes photo resistance LS1, resistance R15
With resistance R16, the 3.3V output ends of first power module pass sequentially through resistance R15, the photo resistance LS1 of reversed arrangement connects
Ground, and the negative pole of the photo resistance LS1 is connected by resistance R16 with the input terminal LIGHT of MCU controllers.
Preferably, the sensor circuit includes infrared remote controller, and the infrared remote controller includes infrared remote control core
Piece U5, electric capacity C17, resistance R18 and resistance R19, the infrared remote control chip U5 output pin DATA by resistance R18 with
The input terminal REMOTE of MCU controllers is connected, and the grounding pin GND of the infrared remote control chip U5 is grounded and passes through electric capacity
C17 is connected with infrared remote control chip U5 VCC pin, the VCC pin of the infrared remote control chip U5 and the first power module
3.3V output ends are connected, cut through resistance R19 is connected with infrared remote control chip U5 output pin DATA.
Preferably, first power module includes voltage stabilizing chip U3, electric capacity C11~C14, resistance R9, resistance R10 and hair
Light diode DS2, the voltage stabilizing chip U3 input pin IN are connected with outside 5V power supplys by resistance R9 and are used as first
The 5V output ends of power module, the input pin IN of the voltage stabilizing chip U3 is grounded by electric capacity C11 and electric capacity C12 respectively；Institute
Voltage stabilizing chip U3 grounding pin GND ground connection is stated, the output pin OUT of the voltage stabilizing chip U3 is used as the first power module
3.3V output ends and pass sequentially through resistance R10, Light-Emitting Diode DS2 ground connection, the voltage stabilizing chip U3 output pin OUT difference
It is grounded by electric capacity C13 and electric capacity C14.
Teaching experiment board tool of the present utility model based on double-core has the advantage that：In the utility model the present embodiment
MCU control assemblies are the single-chip minimum system being made up of MCU controllers and its peripheral circuit, and MCU controllers constitute master and opened
The core of plate module is sent out, arm processor constitutes the core of graphic programming module, forms double-core teaching experiment board, together
When build single-chip minimum system on the basis of, by increase download circuit, communicating circuit, input control circuit, output control
The circuit modules such as circuit processed, sensor circuit and the first power module constitute complete main exploitation plate module, in main development board
On the basis of module, the graphic programming module required for addition graphic programming, and by arm processor by download circuit and
MCU controllers are connected, so as to provide the user an expansible hardware development environment, to download and debugging routine, make
Used time runs graphical programming software by graphic programming module, can write graphic package using touch display screen, then
MCU controllers can be directly downloaded to using download circuit（The single-chip microcomputer of low side）In, you can carried out using main exploitation plate module
Microcomputer development and experiment, can provide base hardware platform for single-chip microcomputer graphical programming environment, can reduce beginner
The difficulty of single-chip microcomputer is practised, the different design requirement of developer is met, has the advantages that functional module is more, simple to operation.
Brief description of the drawings
Fig. 1 is the circuit theory schematic diagram of the utility model embodiment.
Fig. 2 is the circuit theory schematic diagram of MCU control assemblies in the utility model embodiment.
Fig. 3 is the principle schematic of JTAG download circuits in the utility model embodiment.
Fig. 4 is the principle schematic of USB download circuits in the utility model embodiment.
Fig. 5 is the principle schematic of serial communication circuit in the utility model embodiment.
Fig. 6 is the principle schematic of spi bus telecommunication circuit in the utility model embodiment.
Fig. 7 is the principle schematic of iic bus telecommunication circuit in the utility model embodiment.
Fig. 8 is the principle schematic of Independent keys circuit in the utility model embodiment.
Fig. 9 is the principle schematic of touch key-press circuit in the utility model embodiment.
The principle schematic that Figure 10 is signal input interface J5 in the utility model embodiment.
The circuit theory schematic diagram that Figure 11 is seven color LED LED-RGB in the utility model embodiment.
Figure 12 is the circuit theory schematic diagram of buzzer in the utility model embodiment.
The circuit theory schematic diagram that Figure 13 is serial ports display screen U10 in the utility model embodiment.
The circuit theory schematic diagram that Figure 14 is PWM output interfaces U11 in the utility model embodiment.
Figure 15 is the circuit theory schematic diagram of temperature sensing circuit in the utility model embodiment.
Figure 16 is the circuit theory schematic diagram of photosensitive circuit in the utility model embodiment.
Figure 17 is the circuit theory schematic diagram of infrared remote controller in the utility model embodiment.
Figure 18 is the circuit theory schematic diagram of the first power module in the utility model embodiment.
Marginal data：1st, main exploitation plate module；11st, MCU controllers；12nd, download circuit；13rd, communicating circuit；14th, input
Control circuit；15th, output control circuit；16th, sensor circuit；17th, the first power module；2nd, graphic programming module；21、
Arm processor；22nd, touch display screen；23rd, second source module.
Embodiment
As shown in figure 1, the teaching experiment board based on double-core of the present embodiment includes main exploitation plate module 1 and graphical volume
Journey module 2, it is main exploitation plate module 1 provided with MCU control assemblies, download circuit 12, communicating circuit 13, input control circuit 14,
Output control circuit 15, the power module 17 of sensor circuit 16 and first, MCU control assemblies be by MCU controllers 11 and its
The single-chip minimum system that peripheral circuit is constituted, MCU controllers 11 are controlled with download circuit 12, communicating circuit 13, input respectively
Circuit 14, output control circuit 15, sensor circuit 16 are connected, the output end of the first power module 17 respectively with MCU controllers
11 and its peripheral circuit, download circuit 12, communicating circuit 13, input control circuit 14, output control circuit 15, sensor circuit
16 are connected, and graphic programming module 2 includes arm processor 21, touch display screen 22 and second source module 23, arm processor
21 are connected by download circuit 12 with MCU controllers 11, and touch display screen 22 is connected with arm processor 21, second source module
23 output end is connected with arm processor 21, touch display screen 22 respectively.MCU control assemblies are by MCU controls in the present embodiment
The single-chip minimum system that device 11 and its peripheral circuit are constituted, MCU controllers 11 constitute the core of main exploitation plate module 1, ARM
Processor 21 constitutes the core of graphic programming module 2, forms double-core teaching experiment board, while building single-chip microcomputer most
On the basis of mini system, by increasing download circuit 12, communicating circuit 13, input control circuit 14, output control circuit 15, biography
The grade circuit module of 16 and first power module of sensor circuit 17 constitutes complete main exploitation plate module 1, in main exploitation plate module 1
On the basis of, the graphic programming module 2 required for addition graphic programming, and arm processor 21 is passed through into download circuit 12
It is connected with MCU controllers 11, so as to provide the user an expansible hardware development environment, to download and debugging routine,
The arm processor 21 of graphic programming module 2 is loaded operation LNIUX systems, passed through using the processor core of ARM-A series
Graphic programming module 2 can run graphical programming software, and graphic package, Ran Houli can be write using touch display screen 22
MCU controllers 11 can be directly downloaded to download circuit 12（The single-chip microcomputer of low side）In, you can utilize main exploitation template die
Block 1 carries out microcomputer development and experiment, can provide base hardware platform for single-chip microcomputer graphical programming environment, can reduce just
Scholar learns the difficulty of single-chip microcomputer, meets the different design requirement of developer, has the advantages that functional module is more, simple to operation.
As shown in Fig. 2 MCU control assemblies are the single-chip minimum system being made up of MCU controllers 11 and its peripheral circuit,
The peripheral circuit of MCU controllers 11 includes the function module circuits such as crystal oscillating circuit, reset circuit and filter capacitor.Referring to Fig. 2,
MCU controllers 11 5, No. 6 pin connection crystal oscillating circuits, crystal oscillating circuit includes resistance R1, crystal oscillator Y1, electric capacity C1 and C2, crystal oscillator
Y1 is serially connected in the 5 of MCU controllers 11, between No. 6 pins, and resistance R1 and crystal oscillator Y1 are connected in parallel, and crystal oscillator Y1 one end passes through
Electric capacity C1 ground connection, the other end are grounded by electric capacity C2.No. 7 pins connection reset circuit of MCU controllers 11, reset circuit includes
Resistance R3, RESET button and electric capacity C5, resistance R3 one end is connected with the 3.3V output ends of the first power module 17, another termination
No. 7 pins of MCU controllers 11, while No. 7 pins of MCU controllers 11 are grounded by RESET buttons, electric capacity C5 and RESET
Button is in parallel.Filter capacitor includes the 3.3V energization inputs and electric capacity C6/C7/C8 for being connected in MCU controllers 11 in parallel.
Shown as shown in Figure 1, Figure 3 and Figure 4, download circuit 12 includes JTAG download circuits and USB download circuits, graphic programming
Module 2 also includes J-link debuggers（Do not drawn in figure）, arm processor 21 passes through J-link debuggers, JTAG download circuits
It is connected with MCU controllers 11, arm processor 21 is connected by USB download circuits with MCU controllers 11.The present embodiment based on
The download circuit 12 of the teaching experiment board of double-core has two kinds of downloading modes, and a kind of download circuit 12 is carried out with J-link debuggers
Connection is downloaded, and another download circuit 12 realizes download program using USB download circuits, can meet graphic programming platform download
The demand of program, allows developer more easily to download debugging routine.
As shown in figure 3, JTAG download circuits include jtag interface P1, resistance R6 and resistance R7, jtag interface P1 passes through row
Pin is connected with J-link debuggers, and jtag interface P1 No. 1 pin ground connection, No. 2 pins are used as data wire PAL3 SWDIO and MCU
No. 34 pins of controller 11 are connected, No. 2 pins as clock line PAL4 SWCLK and MCU controllers 11 No. 37 pin phases
Even, data wire PAL3 SWDIO are connected by the 3.3V output ends of resistance R6 and the first power module 17, clock line PAL4
SWCLK is connected by the 3.3V output ends of resistance R7 and the first power module 17, and jtag interface P1 No. 4 pins connect the first power supply
The 3.3V output ends of module 17.
As shown in figure 4, USB download circuits mainly including USB control chips U2, USB control chip U2 2, No. 3 pins with
MCU controllers 11 30, No. 31 pins be connected, USB control chips U2 5 and No. 6 pins then by USB interface J1 and ARM at
Device 21 is managed to be connected.In the present embodiment, USB control chips U2 uses CH340G type USB control chips, No. 1 of USB control chips U2
Pin is grounded, and No. 4 pins are grounded by electric capacity C15；USB control chips U2 7, No. 8 pins be connected with crystal oscillator Y2, crystal oscillator Y2's
One end is grounded by electric capacity C9, the other end is grounded by electric capacity C10；USB control chips U2 13 and No. 14 pins are connected with
RESET circuits.
As shown in Fig. 1, Fig. 5, Fig. 6 and Fig. 7, communicating circuit 13 include serial communication circuit, spi bus telecommunication circuit and
Iic bus telecommunication circuit, serial communication circuit, spi bus telecommunication circuit and iic bus telecommunication circuit respectively with MCU controllers
11 are connected.Communicating circuit 13 can realize serial communication, IIC communications and three kinds of communication modes of SPI communication, there is special communication mould
Formula interface, can effectively improve the extended capability of teaching experiment board, facilitate developer to reconnect required peripheral hardware, reduce cumbersome
With uninteresting operating process.In the present embodiment, serial communication circuit, spi bus telecommunication circuit and iic bus telecommunication circuit connect
Run in pin, is connected by Du Pont's line with the peripheral hardware for needing to communicate, passes through multiple communication modes interface, it is possible to increase teaching experiment board
Extended capability, can facilitate developer reconnect required for peripheral hardware.
As shown in figure 5, serial communication circuit includes serial communication interface J3, serial communication interface J3 is by arranging pin and ARM
Processor 21 is connected, and serial communication interface J3 No. 1 pin connects the 3.3V output ends of the first power module 17, and No. 4 pins are grounded,
No. 2 pin USART TX and No. 3 pin USART RX are connected with the 12 of MCU controllers 11 with No. 13 pins.
As shown in fig. 6, spi bus telecommunication circuit includes SPI communication interfaces J2, SPI communication interface J2 by arranging pin and ARM
Processor 21 is connected, and SPI communication interfaces J2 No. 1 pin connects the 3.3V output ends of the first power module 17, No. 6 pin ground connection, 2
Number pin SPI NSS, No. 3 pin SPI SCK, No. 4 pin SPI MOSI, No. 5 pin SPI MISO respectively with MCU controllers 11
25~No. 28 pins be connected.
As shown in fig. 7, iic bus telecommunication circuit includes IIC communication interfaces J4, IIC communication interface J4 by arranging pin and ARM
Processor 21 is connected, and IIC communication interfaces J4 No. 1 pin connects the 3.3V output ends of the first power module 17, No. 4 pin ground connection, 2
Number pin IIC SCL and No. 3 pin IIC SDA are connected with the 45 of MCU controllers 11 with No. 46 pins, and No. 2 pin IIC
SCL connects the 3.3V output ends of the first power module 17 by resistance R13, and No. 3 pin IIC SDA connect the first electricity by resistance R14
The 3.3V output ends of source module 17.
As shown in Fig. 1, Fig. 8, Fig. 9 and Figure 10, input control circuit 14 include Independent keys circuit, touch key-press circuit and
Signal input interface J5, Independent keys circuit includes three Independent keys KEY0~KEY2（Referring to Fig. 8）, touch key-press circuit bag
Include touch key-press chip U7, touch key-press U6, touch key-press U8 and touch key-press U9, three Independent keys KEY0~KEY2 points
Be not connected with MCU controllers 11, touch key-press U6, touch key-press U8, touch key-press U9 respectively by touch key-press chip U7 with
MCU controllers 11 are connected, and signal input interface J5 is connected with the ADC input terminals and DAC input terminals of MCU controllers 11.
Referring to Fig. 9, touch key-press chip U7 uses TTP224-BSB chips in the present embodiment, can improve the sensitivity touched, and reduction is missed
Tactile possibility, its No. 1 pin is connected with touch key-press U6, and No. 2 pins are connected with touch key-press U8, No. 3 pins and touch key-press
U9 is connected, and touch key-press U6 is grounded by electric capacity C18, touch key-press U8 is grounded by electric capacity C19, touch key-press U9 passes through electricity
Hold C20 ground connection, 14~No. 16 pins of TTP224-BSB chips are then connected with 14~No. 16 pins of MCU controllers 11 respectively.
In addition, No. 6 pins of TTP224-BSB chips connect the 3.3V output ends of the first power module 17 and are grounded by electric capacity C21,
No. 10 pins ground connection of TTP224-BSB chips.Referring to Figure 10, signal input interface J5 No. 1 pin is used as ADC inputs
In No. 10 pins of input analog signal to MCU controllers 11, No. 2 pins are used to input data signal extremely as DAC inputs
No. 11 pins of MCU controllers 11.In the present embodiment, signal input interface J5 is connected by Du Pont's line with measured signal.
As shown in Fig. 1, Figure 11, Figure 12, Figure 13 and Figure 14, output control circuit 15 includes seven color LED LED-RGB, honeybee
Ring device, serial ports display screen U10 and PWM output interface U11, seven color LED LED-RGB control end respectively with MCU controllers 11
0~LED of LED control terminal LED 2 be connected, buzzer is connected with the lead-out terminal BEEP of MCU controllers 11, and serial ports is shown
Screen U10 be connected with the lead-out terminal HMI TX/HMI RX of MCU controllers 11, PWM output interfaces U11 and MCU controllers 11 it is defeated
Go out terminals P WM to be connected.
As shown in figure 11, seven color LED LED-RGB positive pole connects the 3.3V output ends of the first power module 17, negative pole and made
It is connected respectively with 0~LED of LED control terminal LED 2 of MCU controllers 11 for control end, seven color LED LED-RGB can be produced
The light of three kinds of colors of red, green, blue, by the mixing of different colours, just can produce the light of 7 kinds of colors.
As shown in figure 12, buzzer includes resistance R21, transistor Q3 and loudspeaker BEEP, and transistor Q3 is NPN type crystal
Pipe, transistor Q3 base stage is connected by resistance R21 with the lead-out terminal BEEP of MCU controllers 11, transistor Q3 colelctor electrode
Ground connection, transistor Q3 emitter stage is connected with loudspeaker BEEP P terminals, loudspeaker BEEP G terminals and the first power module 17
5V output ends are connected.Buzzer connects 5V power supplys, and the lead-out terminal BEEP connections of MCU controllers 11 are by S8550（Transistor Q3）Structure
Into on-off circuit control buzzer.
As shown in figure 13, the 5V output ends of serial ports display screen U10 No. 1 pin and the first power module 17 are connected, and No. 2 are drawn
Pin HMI TX and No. 3 pin HMI RX respectively with MCU controllers 11 22, No. 21 pins be connected, No. 4 pin GND ground connection.This reality
Apply in example, display screen uses the communication modes of serial ports, greatly reduces the demand to single-chip microcomputer pin, and reduce to display screen
The difficulty of programming.
As shown in figure 14, the 5V output ends of PWM output interfaces U11 No. 1 pin VCC and the first power module 17 are connected, and 2
Number pin PWM is connected with No. 29 pin GND of MCU controllers 11, No. 3 pins ground connection.PWM is provided by PWM output interfaces U11
Output interface, can reduce the cumbersome and uninteresting operating process of developer.
As shown in figure 1, the sensor circuit 16 in the present embodiment includes temperature sensing circuit.As shown in figure 15, temperature is passed
Inductive circuit includes temperature sensor U4, resistance R17 and electric capacity C16, temperature sensor U4 VCC pin and the first power module 17
3.3V output ends be connected and be grounded by electric capacity C16, temperature sensor U4 output pin DQ and the input of MCU controllers 11
Terminal DQ is connected, and temperature sensor U4 output pin DQ is grounded by resistance R17, and NC and No. GND of temperature sensor U4 is drawn
Pin is grounded.In the present embodiment, temperature sensor U4 uses DS18B20 type temperature sensors.
As shown in figure 1, the sensor circuit 16 in the present embodiment includes photosensitive circuit.As shown in figure 16, photosensitive circuit bag
Include photo resistance LS1, resistance R15 and resistance R16, the 3.3V output ends of the first power module 17 pass sequentially through resistance R15, reversely
The photo resistance LS1 ground connection of arrangement, and photo resistance LS1 negative pole passes through resistance R16 and the input terminal of MCU controllers 11
LIGHT is connected.
As shown in figure 1, the sensor circuit 16 in the present embodiment includes infrared remote controller.As shown in figure 17, it is infrared distant
Controlling circuit includes infrared remote control chip U5, electric capacity C17, resistance R18 and resistance R19, infrared remote control chip U5 output pin
DATA is connected by resistance R18 with the input terminal REMOTE of MCU controllers 11, infrared remote control chip U5 grounding pin GND
It is grounded and is connected by electric capacity C17 with infrared remote control chip U5 VCC pin, infrared remote control chip U5 VCC pin and first
The 3.3V output ends of power module 17 are connected, cut through resistance R19 is connected with infrared remote control chip U5 output pin DATA.This
In embodiment, infrared remote control chip U5 uses HS0038 type infrared remote control chips.
The sensor that sensor circuit 16 is selected in the present embodiment is the sensor that developer commonly uses in application process,
Beginner can be facilitated preferably to learn and application and development.
As shown in figure 18, the first power module 17 include voltage stabilizing chip U3, electric capacity C11~C14, resistance R9, resistance R10 and
Light-Emitting Diode DS2, voltage stabilizing chip U3 input pin IN are connected by resistance R9 with outside 5V power supplys and to be used as first electric
The 5V output ends of source module 17, voltage stabilizing chip U3 input pin IN is grounded by electric capacity C11 and electric capacity C12 respectively；Voltage stabilizing core
Piece U3 grounding pin GND ground connection, voltage stabilizing chip U3 output pin OUT as the first power module 17 3.3V output ends and
Resistance R10, Light-Emitting Diode DS2 ground connection are passed sequentially through, voltage stabilizing chip U3 output pin OUT passes through electric capacity C13 and electricity respectively
Hold C14 ground connection.In the present embodiment, voltage stabilizing chip U3 uses AMS1117-3.3 chips, the first power module 17 connection USB power source
Line or 5V power supplys, the selection of USB power source and 5V power supplys determines by connecting the resistance R9 in 0 Europe break-make, power supply with
MCU controllers 11 are connected, then by being connected after AMS1117-3.3 chips and filter circuit of pressure-stabilizing with single-chip minimum system, with
And the functional module of required power supply.In the present embodiment, the first power module 17 can be powered or 5V electricity with unrestricted choice by USB
Source powers, it is ensured that effectively, AMS1117-3.3 chips are low using extensive, price, reduce teaching experiment board for the stabilization that power supply is powered
Cost.
When in use, graphic programming module 2 carries graphic programming platform to the present embodiment, and developer is in touch display screen
Graphic programming platform is operated on 22, common Single Chip C Language program can be carried out modularization envelope by the graphic programming platform
Dress, writes program in a flowchart, and compiling downloads to the MCU controllers 11 of main exploitation plate module 1, the religion of this example
The program of graphic programming platform can be downloaded by learning brassboard, realize the functional module concrete application that teaching experiment board has, so as to
Developer preferably can learn and develop.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of teaching experiment board based on double-core, it is characterised in that：Including main exploitation plate module（1）With graphic programming mould
Block（2）, the main exploitation plate module（1）It is provided with MCU control assemblies, download circuit（12）, communicating circuit（13）, input control
Circuit（14）, output control circuit（15）, sensor circuit（16）And first power module（17）, the MCU control assemblies
For by MCU controllers（11）And its single-chip minimum system that peripheral circuit is constituted, the MCU controllers（11）Respectively with download
Circuit（12）, communicating circuit（13）, input control circuit（14）, output control circuit（15）, sensor circuit（16）It is connected, institute
State the first power module（17）Output end respectively with MCU controllers（11）And its peripheral circuit, download circuit（12）, communication electricity
Road（13）, input control circuit（14）, output control circuit（15）, sensor circuit（16）It is connected, the graphic programming mould
Block（2）Including arm processor（21）, touch display screen（22）With second source module（23）, the arm processor（21）Pass through
Download circuit（12）With MCU controllers（11）It is connected, the touch display screen（22）And arm processor（21）It is connected, described the
Two power modules（23）Output end respectively with arm processor（21）, touch display screen（22）It is connected.
2. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：The download circuit（12）Bag
Include JTAG download circuits and USB download circuits, the graphic programming module（2）Also include at J-link debuggers, the ARM
Manage device（21）Pass through J-link debuggers, JTAG download circuits and MCU controllers（11）It is connected, the arm processor（21）It is logical
Cross USB download circuits and MCU controllers（11）It is connected.
3. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：The communicating circuit（13）Bag
Include serial communication circuit, spi bus telecommunication circuit and iic bus telecommunication circuit, the serial communication circuit, spi bus communication
Circuit and iic bus telecommunication circuit respectively with MCU controllers（11）It is connected.
4. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：The input control circuit
（14）Including Independent keys circuit, touch key-press circuit and signal input interface J5, the Independent keys circuit includes three solely
Vertical button KEY0~KEY2, the touch key-press circuit include touch key-press chip U7, touch key-press U6, touch key-press U8 and
Touch key-press U9, three Independent keys KEY0~KEY2 respectively with MCU controllers（11）It is connected, the touch key-press U6, touch
Button U8, touch key-press U9 pass through touch key-press chip U7 and MCU controller respectively（11）It is connected, the signal input interface J5
With MCU controllers（11）ADC input terminals and DAC input terminals be connected.
5. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：The output control circuit
（15）Including seven color LED LED-RGB, buzzer, serial ports display screen U10 and PWM output interface U11, the seven colors LED
LED-RGB control end respectively with MCU controllers（11）0~LED of LED control terminal LED 2 be connected, the buzzer with
MCU controllers（11）Lead-out terminal BEEP be connected, the serial ports display screen U10 and MCU controllers（11）Lead-out terminal HMI
TX/HMI RX are connected, the PWM output interfaces U11 and MCU controllers（11）Lead-out terminal PWM be connected.
6. the teaching experiment board according to claim 5 based on double-core, it is characterised in that：The buzzer includes resistance
R21, transistor Q3 and loudspeaker BEEP, the transistor Q3 are NPN transistor, and the base stage of the transistor Q3 passes through resistance
R21 and MCU controllers（11）Lead-out terminal BEEP be connected, the grounded collector of the transistor Q3, the transistor Q3's
Emitter stage is connected with loudspeaker BEEP P terminals, the G terminals and the first power module of the loudspeaker BEEP（17）5V output end phases
Even.
7. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：The sensor circuit（16）
Including temperature sensing circuit, the temperature sensing circuit includes temperature sensor U4, resistance R17 and electric capacity C16, and the temperature is passed
Sensor U4 VCC pin and the first power module（17）3.3V output ends be connected and be grounded by electric capacity C16, the temperature is passed
Sensor U4 output pin DQ and MCU controllers（11）Input terminal DQ be connected, the output pin of the temperature sensor U4
DQ is grounded by resistance R17, NC the and GND pins ground connection of the temperature sensor U4.
8. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：The sensor circuit（16）
Including photosensitive circuit, the photosensitive circuit includes photo resistance LS1, resistance R15 and resistance R16, first power module
（17）3.3V output ends pass sequentially through resistance R15, the photo resistance LS1 ground connection of reversed arrangement, and the photo resistance LS1
Negative pole passes through resistance R16 and MCU controllers（11）Input terminal LIGHT be connected.
9. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：The sensor circuit（16）
Including infrared remote controller, the infrared remote controller includes infrared remote control chip U5, electric capacity C17, resistance R18 and resistance R19,
The output pin DATA of the infrared remote control chip U5 passes through resistance R18 and MCU controllers（11）Input terminal REMOTE phases
Even, the grounding pin GND of the infrared remote control chip U5 is grounded and passes through electric capacity C17 and infrared remote control chip U5 VCC pin
It is connected, the VCC pin and the first power module of the infrared remote control chip U5（17）3.3V output ends be connected and pass through resistance
R19 is connected with infrared remote control chip U5 output pin DATA.
10. the teaching experiment board according to claim 1 based on double-core, it is characterised in that：First power module
（17）Including voltage stabilizing chip U3, electric capacity C11~C14, resistance R9, resistance R10 and Light-Emitting Diode DS2, the voltage stabilizing chip U3
Input pin IN be connected by resistance R9 with outside 5V power supplys and be used as the first power module（17）5V output ends, it is described
Voltage stabilizing chip U3 input pin IN is grounded by electric capacity C11 and electric capacity C12 respectively；The grounding pin of the voltage stabilizing chip U3
GND is grounded, and the output pin OUT of the voltage stabilizing chip U3 is used as the first power module（17）3.3V output ends and pass sequentially through
Resistance R10, Light-Emitting Diode DS2 are grounded, and the output pin OUT of the voltage stabilizing chip U3 passes through electric capacity C13 and electric capacity C14 respectively
Ground connection.
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| CN201621323053.8U CN206574350U (en) | 2016-12-05 | 2016-12-05 | A kind of teaching experiment board based on double-core |
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| CN201621323053.8U CN206574350U (en) | 2016-12-05 | 2016-12-05 | A kind of teaching experiment board based on double-core |
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| CN108932889A (en) * | 2018-10-15 | 2018-12-04 | 华东交通大学 | A kind of experiment display plate device based on raspberry pie |
| CN109445400A (en) * | 2018-12-27 | 2019-03-08 | 勃肯特（天津）机器人技术有限公司 | A kind of teaching machine based on vision signal and USB communication transfer |
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| CN111342087A (en) * | 2020-03-31 | 2020-06-26 | 苏州钧峰新能源科技有限公司 | RMFC control module analysis circuit system for fuel cell power system |
| CN113129712A (en) * | 2021-03-16 | 2021-07-16 | 雷霆 | Logic training development board |
| CN117250483A (en) * | 2023-11-17 | 2023-12-19 | 深圳市航顺芯片技术研发有限公司 | Chip test system and method |
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| CN108932889A (en) * | 2018-10-15 | 2018-12-04 | 华东交通大学 | A kind of experiment display plate device based on raspberry pie |
| CN109445400A (en) * | 2018-12-27 | 2019-03-08 | 勃肯特（天津）机器人技术有限公司 | A kind of teaching machine based on vision signal and USB communication transfer |
| CN110058542A (en) * | 2019-03-19 | 2019-07-26 | 徐州工程学院 | A kind of development platform device based on ARM9260 |
| CN110568805A (en) * | 2019-10-16 | 2019-12-13 | 南京盛伯智能科技有限公司 | Intelligent compact shelf controller |
| CN111342087A (en) * | 2020-03-31 | 2020-06-26 | 苏州钧峰新能源科技有限公司 | RMFC control module analysis circuit system for fuel cell power system |
| CN113129712A (en) * | 2021-03-16 | 2021-07-16 | 雷霆 | Logic training development board |
| CN117250483A (en) * | 2023-11-17 | 2023-12-19 | 深圳市航顺芯片技术研发有限公司 | Chip test system and method |
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