CN202563782U - Singlechip experiment teaching development system - Google Patents

Singlechip experiment teaching development system Download PDF

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Publication number
CN202563782U
CN202563782U CN2012202312803U CN201220231280U CN202563782U CN 202563782 U CN202563782 U CN 202563782U CN 2012202312803 U CN2012202312803 U CN 2012202312803U CN 201220231280 U CN201220231280 U CN 201220231280U CN 202563782 U CN202563782 U CN 202563782U
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CN
China
Prior art keywords
unit
module
development
minimum
interface
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CN2012202312803U
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Chinese (zh)
Inventor
陈希
余水宝
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浙江师范大学
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Priority to CN2012202312803U priority Critical patent/CN202563782U/en
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Publication of CN202563782U publication Critical patent/CN202563782U/en

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Abstract

The utility model relates to a C8051F series singlechip experiment teaching development system. The singlechip experiment teaching development system comprises a C8051F series singlechip smallest system core plate which is replaceable by plugging in and pulling out, function unit modules which are carried by a plate, an expansion module which can be plugged in and pulled out, and a system power supply system. The smallest system core plate can be independently pulled out for use, and can be plugged in the experiment teaching development system for use. The function unit modules which are carried by the plate comprises a signal producing unit, a 12864 liquid crystal display (LCD), a 1620 LCD unit and the like. The expansion module which can be plugged in and pulled out comprises a 2.4 gigabytes (G) wireless communication module, a non-contact type integrated circuit (IC) card read-write module, a voice module and a general packet radio service (GPRS) module. The singlechip experiment teaching development system achieves the purposes that hardware and software resources are enriched, the hardware resources are opened, singlechip model is replaceable, and design flexibility is improved.

Description

Single chip computer experiment Instructional Development system
Technical field
The utility model relates to a kind of C8051F series monolithic experimental teaching development system, the experimental teaching development system that particularly a kind of extendability is strong, multiple C8051F series monolithic was put, supported to the hardware resource standard-sized sheet.The utility model belongs to based on the experiment of C8051F series monolithic, teaching, product development field.
Background technology
Development along with electronic information technology; Tradition 8051 single-chip microcomputers aspects such as resource, scalability on memory size, processing speed, sheet can't satisfy the needs of middle and high end electronic product exploitation; And developed traditional 80C51 series monolithic based on the C8051F series of SoC (SOC(system on a chip)), can satisfy current industry demands of applications.
Mostly current market is the experimental development board of multi, the experimental box that are the basis with traditional MCS-51 (microprocessing systems-51) single-chip microcomputer; Experimental system based on the C8051F series monolithic is less; The C8051F development board of mainly releasing with domestic Silabs commission merchant is main, but there is following shortcoming in this type of study development board:
1. function is simple, can't carry out complicated project, can not carry out secondary development;
2. resource is fixed, poor expandability;
3. the single-chip microcomputer model is fixed, and can't change the single-chip microcomputer of other model;
4. program is downloaded and can only be downloaded through serial ports, and present most of computers have only USB interface, can't use the study development board of serial ports download function;
5. peripheral hardware resource, designs fix, the user can not arbitrarily change.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of conventional one-piece machine experimental teaching development board, develops that a hardware, software resource are abundant, the hardware resource standard-sized sheet is put, and the single-chip microcomputer model is replaceable, the experimental teaching development system that design flexibility is strong.
For achieving the above object, the utility model adopts following technical scheme:
A kind of single chip computer experiment Instructional Development system; Comprise that C8051F series monolithic minimum system core board, the plate that can plug replacing carry each functional unit block, can plug expansion module and system's electric power system; It is characterized in that: said minimum system core board can be pulled up use separately, also can be inserted on the experimental teaching development system and use; Said plate carries each functional unit block and comprises signal generating unit; 12864 LCD LCDs; 1602 LCD liquid crystal displays; 8 * 8 LED lattice display units; The charactron display unit; Lbd display unit; Scanning/interruption push-button unit; Filter cell; The usb communication unit; CAN bus communication unit; Binary channels RS232 communication unit; 485 communication units; The XRAM expanding element; The ethernet communication unit; TFT liquid crystal/SD card unit; Temperature collecting cell; The AD data acquisition unit; Relay control unit; Buzzer circuit; The direct current generator driving control unit; The step motor drive control module; The infrared receiving/transmission unit; The Flash storage unit of SPI interface; The EEPROM of IIC interface; Calendar clock unit and PS2 interface unit; The said expansion module that plugs comprises 2.4G wireless communication module, non-contact IC card module for reading and writing, voice module and GPRS module; The pin of said minimum system core board is drawn the IO mouth with single-chip microcomputer and is connected; The pin that said plate carries each functional unit block, can plug expansion module is drawn port with each functional module and is connected, and single-chip microcomputer is drawn the IO mouth and drawn between the port with each functional module and be connected for User Defined.
Said minimum system core board provides outside 5V input, the input of USB voltage and from three kinds of power supply input modes of JTAG debugging interface input voltage.
Said minimum system core board has independent 5-3.3V power conversion chip and JTAG debugging interface.
Said minimum system core board model has C8051F complete series chips such as C8051F0XX, C8051F3XX; The user also can be according to own demand; According to interface circuit, the relevant single-chip minimum system core board of design is inserted on this experimental teaching development system and uses voluntarily.The single-chip microcomputer pin of minimum system core board is guided on the external interface.
System's electric power system provides multiple powering mode, and input voltage is the 5V input.Two kinds of outside 5V input and the inputs of USB voltage are provided on experimental teaching development system base plate, and can have switched selection through switch.
Can plug and all be inserted in the same interface on the experimental teaching development system when expansion module uses.In addition, the user can design other function expanding module voluntarily, is inserted on this interface and uses.
C8051F single-chip microcomputer built-in function unit physical connection when using is variable to chip pin, and this is and other all kinds of single-chip microcomputer differences.According to these characteristics; Native system not with plate carry each functional unit block, the pin that can plug expansion module is fixedly connected with C8051F single-chip microcomputer pin; But after each function pin drawn, connect according to the actual requirements through lead by the user, greatly improved the dirigibility of design.
Supporting each functional module demonstration of native system source code, part comprehensive experiment source code and test document accordingly.
The advantage of the utility model is: each functional module of system is separate, and total interface draws, and can make user's learning foundation knowledge, experiment that also can design synthesis property.
Description of drawings
The C8051F series monolithic experimental teaching development system theory diagram that Fig. 1 provides for the utility model.
Embodiment
Below in conjunction with Fig. 1 the utility model is further described.
The C8051F series monolithic minimum system core board 1 that can plug replacing be one independently, the module that can use separately, when being used, need this minimum system core board be inserted on the base plate of experimental teaching development system with the experimental teaching development system.C8051F series monolithic minimum system core board can be various different chip models, like complete series chips such as C8051F020, C8051F120, C8051F040, C8051F340, C8051F060.
System's electric power system 2 input voltages are 5V.Two kinds of outside 5V input and the inputs of USB voltage are provided on experimental teaching development system base plate, and can have switched selection through switch.At C8051F series monolithic minimum system core board three kinds of power supply input modes are provided also: outside 5V input, the input of USB voltage and from JTAG debugging interface input voltage (providing) by the C8051F debugger.
Signal generating unit 3 produces square-wave signal by 555 chips, and frequency is by resistance R, capacitor C decision, and RC can be changed by the user, therefore except producing the square-wave signal, and can also be according to frequency measurement RC value.
12864 LCD LCDs 4 are directly controlled through C8051F single-chip microcomputer IO mouth.
1602 LCD liquid crystal displays 5 are directly controlled through C8051F single-chip microcomputer IO mouth.
8 * 8 LED lattice display units 6 realize that through four 74HC595 ranks drive, and dot matrix adopts four 8 * 8 LED lattice modules altogether, can realize the demonstration of single Chinese character.2 74HC595 are used for row and drive, and 2 are used for the row driving in addition, and the data transmission between 74HC595 and the single-chip microcomputer can be accomplished through the IO mouth, also can realize through the SPI interface.
Charactron display unit 7 adopts the dynamic scan display packing, realizes the position controlling and driving through triode, and IO effected section shows control (totally 8).The rightest two of charactron adopts positions to be inverted so that realize that with last the charactron of just putting ": " of clock shows, the rightest inverted charactron in position can realize " ℃ " show.
Lbd display unit 8 adopts IO mouth control (totally 8), with the shared IO mouth of section demonstration control in the charactron display unit 7.
Scanning interrupts push-button unit 9 and adopts scanning button and the method for interrupting key-press sharing, can realize 4 * 4 scanning buttons through jumper cap change wiring position, and jumper cap change wiring position can realize that 4 interrupt button, and these 4 buttons are both total parts.
Filter cell 10 adopts the active Buterworth wave filter of second order.
Usb communication unit 11 is single-chip microcomputer and PC communication interface, is not that the C8051F of each model can realize this function, and the model of band USB controller just can realize the usb communication function like C8051F340 in having only.
CAN bus communication unit 12 is not that the C8051F of each model can realize this function for the interface that single-chip microcomputer carries out CAN communication, and the model of band CAN controller just can realize the CAN communication function like C8051F040, C8051F060 etc. in having only.
Binary channels RS232 communication unit 13 realizes that through the serial ports level transferring chip single-chip microcomputer with two serial ports can be realized duplex communication, has only the single-chip microcomputer of single serial ports can realize one tunnel communication.
485 communication units 14 realize through 485 level transferring chip, and linking to each other with 485 interfaces through microcontroller serial port during communication gets final product.
Bus expansion 38 according in the single-chip microcomputer with bus functionality expand, adopt the latches address, code translator is realized the sheet choosing.
XRAM expanding element 15 adopts bus mode to operate, and promptly draws port 39 through functional module and links to each other with bus expansion 38.
Ethernet communication unit 16 adopts the CP2200 chip, adopts bus mode to operate, and promptly draws port 39 through functional module and links to each other with bus expansion 38.
TFT liquid crystal/SD card unit 17 is attached thereto through C8051F microcontroller bus expansion interface 38, and the TFT liquid crystal adopts 8 bit patterns.Have touch-screen on the screen.The SD card module is integrated on the TFT liquid crystal, and the operation of SD card can be SPI operation or IO mouth simulated operation.
Temperature collecting cell 18 adopts the DS18B20 temperature sensor, accomplishes temperature acquisition through single-chip microcomputer IO mouth simulation single bus operation.
AD data acquisition unit 19 is provided for the adjustable voltage signal that the inner AD of single-chip microcomputer gathers, and voltage signal is realized through potentiometer.
Relay control unit 20, buzzer circuit 21, direct current generator driving control unit 22 and the step motor drive control module 23 unified Darlington transistors that adopt drive, and the Darlington transistor opposite side is controlled by single-chip microcomputer IO mouth.
Infrared receiving/transmission unit 24 adopts infrared transmitting tube emission data, is driven a control data emission, a control signal modulation by two triodes.
The flash storage unit 25 of SPI interface adopts the flash chip with SPI interface to realize.
The EEPROM of IIC interface, calendar clock unit 26 adopts AT24CXX eeprom chip with I2C interface and the PCF8563 clock chip with I2C interface respectively.
The PS2 interface unit provides with single-chip microcomputer and carries out the interface circuit that PS2 communicates by letter.
Can plug expansion module 28 is the general extension interface of an opening.During experiment, the expansion modules such as functional module 33 that wireless communication module 29, non-contact IC card module for reading and writing 30, voice module 31, GPRS module 32 and user design voluntarily all can be inserted in and can plug on the expansion module 28.
Wireless communication module 29 comprises employing nRF24L01, CC2420, the 2.4G radio communication that CC2430 etc. realize, employing nRF905, the 433MHZ radio communication that nRF9E5 etc. realize.
Non-contact IC card module for reading and writing 30 adopts MF RC500 to realize.
Voice module 31 adopts ISD1730 to realize.
GPRS module 32 adopts SIM300 to realize circuit such as module integrated power supply, serial ports, SIM.
The function pin that all plates carry each functional unit block, can plug expansion module all causes each functional module and draws port 34,37,39, and single-chip minimum system core board pin causes single-chip microcomputer and draws IO mouth 35 and 36, and the microcontroller bus expansion causes 38.When each functional module links to each other with single-chip microcomputer, need corresponding function pin on 34,37,39 be drawn IO mouth 35 or 36 with the single-chip minimum system core board through the user and link to each other.
The utility model combined with hardware resource can be developed the supporting source code and the experiment document of each functional module, and can develop the comprehensive experiment project on this basis, and be equipped with the respective sources code and test document accordingly, and the Comprehensive Experiment project can comprise:
1. based on the web server of Ethernet.
2. the multi-functional function signal generator of realizing based on inner DAC.
3. based on 555 RC parameter measurement.
4. wait frequency measurement with constant-precision.
5. the DPF that shields based on SD card, TFT.
6. based on the spectrum signal analysis of FFT conversion.
7. LED dot matrix screen design.
8. personal electric resume.
9. based on the temperature control system of PID.
10. based on the CAN bus communication system.
11. data communication system based on USB.
12. calendar clock system based on PCF8563.
13. amplitude versus frequency characte tester.
14. infrared logic analyser.
15. operating system experiment based on UCOS-II.
In design philosophy, method for designing and any modification on this basis of the utility model, alternative, improvement, all be included within the protection domain of the utility model.

Claims (3)

1. single chip computer experiment Instructional Development system; Comprise that C8051F series monolithic minimum system core board, the plate that can plug replacing carry each functional unit block, can plug expansion module and system's electric power system; It is characterized in that: said minimum system core board can be pulled up use separately, also can be inserted on the experimental teaching development system and use; Said plate carries each functional unit block and comprises signal generating unit; 12864 LCD LCDs; 1602 LCD liquid crystal displays; 8 * 8 LED lattice display units; The charactron display unit; Lbd display unit; Scanning/interruption push-button unit; Filter cell; The usb communication unit; CAN bus communication unit; Binary channels RS232 communication unit; 485 communication units; The XRAM expanding element; The ethernet communication unit; TFT liquid crystal/SD card unit; Temperature collecting cell; The AD data acquisition unit; Relay control unit; Buzzer circuit; The direct current generator driving control unit; The step motor drive control module; The infrared receiving/transmission unit; The Flash storage unit of SPI interface; The EEPROM of IIC interface; Calendar clock unit and PS2 interface unit; The said expansion module that plugs comprises 2.4G wireless communication module, non-contact IC card module for reading and writing, voice module and GPRS module; The pin of said minimum system core board is drawn the IO mouth with single-chip microcomputer and is connected; The pin that said plate carries each functional unit block, can plug expansion module is drawn port with each functional module and is connected, and single-chip microcomputer is drawn the IO mouth and drawn between the port with each functional module and be connected for User Defined.
2. single chip computer experiment Instructional Development as claimed in claim 1 system is characterized in that said minimum system core board provides outside 5V input, the input of USB voltage and from three kinds of power supply input modes of JTAG debugging interface input voltage.
3. according to claim 1 or claim 2 single chip computer experiment Instructional Development system is characterized in that said minimum system core board has independent 5-3.3V power conversion chip and JTAG debugging interface.
CN2012202312803U 2012-05-22 2012-05-22 Singlechip experiment teaching development system CN202563782U (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103426347A (en) * 2013-09-12 2013-12-04 云南大学 Interactive 51 single chip microcomputer teaching experiment and development main board based on FORTH
CN103996338A (en) * 2014-06-13 2014-08-20 湖北理工学院 Intelligent type opening multifunctional power electronic experimental device
CN104008686A (en) * 2014-04-09 2014-08-27 顺德职业技术学院 Experimental board based on MC9S08AC16
CN104064091A (en) * 2014-07-18 2014-09-24 福建腾创电子科技有限公司 Electronic building block type simulation device
CN104240566A (en) * 2013-06-18 2014-12-24 北京航天芯光科技有限公司 Electronic information comprehensive experiment system and experiment method
CN104680901A (en) * 2014-12-01 2015-06-03 湖北大学 System and method for performing visualization demonstration on 8051 singlechip principle
CN105892380A (en) * 2016-06-28 2016-08-24 王玉华 Intelligent switch system
CN105929759A (en) * 2016-06-28 2016-09-07 王玉华 Smart switch system
CN106054720A (en) * 2016-06-28 2016-10-26 王玉华 Intelligent switch system
CN106054769A (en) * 2016-06-28 2016-10-26 王玉华 Intelligent switch system
CN106054721A (en) * 2016-06-28 2016-10-26 王玉华 Intelligent switch system
CN106094627A (en) * 2016-06-28 2016-11-09 王玉华 A kind of intelligent switch system
CN106154910A (en) * 2016-06-28 2016-11-23 王玉华 A kind of intelligent switch system
CN110796939A (en) * 2019-12-17 2020-02-14 上海立爱教育科技有限公司 Programming learning development board with unified extended interface

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104240566A (en) * 2013-06-18 2014-12-24 北京航天芯光科技有限公司 Electronic information comprehensive experiment system and experiment method
CN103426347A (en) * 2013-09-12 2013-12-04 云南大学 Interactive 51 single chip microcomputer teaching experiment and development main board based on FORTH
CN104008686A (en) * 2014-04-09 2014-08-27 顺德职业技术学院 Experimental board based on MC9S08AC16
CN103996338A (en) * 2014-06-13 2014-08-20 湖北理工学院 Intelligent type opening multifunctional power electronic experimental device
CN103996338B (en) * 2014-06-13 2016-11-23 湖北理工学院 Intelligent open type multifunctional Power Electronic Experimentation device
CN104064091A (en) * 2014-07-18 2014-09-24 福建腾创电子科技有限公司 Electronic building block type simulation device
CN104680901A (en) * 2014-12-01 2015-06-03 湖北大学 System and method for performing visualization demonstration on 8051 singlechip principle
CN104680901B (en) * 2014-12-01 2017-05-17 湖北大学 System and method for performing visualization demonstration on 8051 singlechip principle
CN106054720A (en) * 2016-06-28 2016-10-26 王玉华 Intelligent switch system
CN106054769A (en) * 2016-06-28 2016-10-26 王玉华 Intelligent switch system
CN106054721A (en) * 2016-06-28 2016-10-26 王玉华 Intelligent switch system
CN106094627A (en) * 2016-06-28 2016-11-09 王玉华 A kind of intelligent switch system
CN105929759A (en) * 2016-06-28 2016-09-07 王玉华 Smart switch system
CN106154910A (en) * 2016-06-28 2016-11-23 王玉华 A kind of intelligent switch system
CN105892380A (en) * 2016-06-28 2016-08-24 王玉华 Intelligent switch system
CN110796939A (en) * 2019-12-17 2020-02-14 上海立爱教育科技有限公司 Programming learning development board with unified extended interface

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121128

Termination date: 20130522