CN201749600U - Single chip microcomputer comprehensive design experiment box - Google Patents
Single chip microcomputer comprehensive design experiment box Download PDFInfo
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- CN201749600U CN201749600U CN2010205132945U CN201020513294U CN201749600U CN 201749600 U CN201749600 U CN 201749600U CN 2010205132945 U CN2010205132945 U CN 2010205132945U CN 201020513294 U CN201020513294 U CN 201020513294U CN 201749600 U CN201749600 U CN 201749600U
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- chip microcomputer
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Abstract
The utility model discloses a single chip microcomputer comprehensive design experiment box which relates to a teaching instrument that is comprehensively designed and is used for the single chip microcomputer teaching. The experiment box comprises a box body and a power supply, and is characterized in that a single chip microcomputer experiment platform and an EDA experiment platform are disposed in the box body; the power supply is disposed below the printed board of the single chip microcomputer experiment platform and an EDA experiment platform; the single chip microcomputer experiment platform is provided with an unit circuit externally connected to an emulator interface; two experiment platforms are provided: the single chip microcomputer experiment platform and the EDA experiment platform. The utility model is advantageous in that different hardware interface circuits can be designed based on different experimental functions; the whole design is flexible, expansible and is suitable for the product update.
Description
Technical field
The utility model relates to a kind of instruments used for education, relates in particular to the single chip computer experiment device that is used for single chip computer teaching, comprehensive Design.
Background technology
Existing single chip computer experiment device is fixing experimental circuit module.The defective of this experimental provision is to satisfy single-chip microcomputer course basic experiment, poor expandability.In the experimental teaching, student main body consciousness is poor, after the teacher has explained port address, mainly carries out Single Chip Microcomputer (SCM) program design and replication experiment.On the other hand, along with the develop rapidly of electronic product, this experimental provision can not adapt to the update of product.
Summary of the invention
In order to overcome the defective of known single chip computer experiment device poor expandability, the utility model provides a kind of single-chip microcomputer comprehensive Design experimental box, and this single-chip microcomputer comprehensive Design experimental box extensibility is good, can adapt to the update of product.
The technical solution of the utility model is: this experimental box comprises casing and power supply, and single chip computer experiment platform and EDA experiment porch are positioned at casing, and power supply is positioned at the printed board below of single chip computer experiment platform and EDA experiment porch; Be provided with external emulator interface element circuit, MSP430 expanding element circuit, TS87c51 interface unit circuit, RS232 and RS485 serial communication element circuit, LED level display unit circuit, I/O mouth expansion input-cell circuitry, logic level switch element circuit, 8 the digital display unit circuits of LED, data storage cell circuit, LCD liquid crystal display circuit, A/D conversion unit circuit, D/A conversion unit circuit and 4X4 keyboard unit circuit in the single chip computer experiment platform, each functional unit circuit is provided with the connection stomidium in the single chip computer experiment platform; Be provided with DLL (dynamic link library) element circuit, hummer element circuit, CPLD chip download unit circuit, single-chip microcomputer extended interface unit circuit, audio unit circuit, data storage cell circuit, direct current generator element circuit, power amplifier unit circuit, loudspeaker unit circuit, stepper motor element circuit in the EDA experiment porch, each functional unit connects by the printed board cabling in the EDA experiment porch.
The student carries out the peripheral circuit simple wires according to the different experiments function, and then understands the hardware circuit of single-chip microcomputer.
Above-mentioned each element circuit is all commercially available.
The utlity model has following advantage:
1, many emulators support: existing external emulator interface, can match the universal models emulator, there is plate to carry the MON51 emulator again simultaneously, can utilize two serial ports chip microcontroller MON51 emulators, and open serial ports offers the user;
2, support the EDA exploitation: integrated EDA comprehensive exploitation system, utilize FPGA to realize the design of the peripheral hardware circuit of single-chip microcomputer, make the student design different hardware interface circuits according to the different experiments function, whole flexible design is changeable, has strengthened the cultivation of students practise application power from hardware and two aspects of software.
3, experiment is open: experimental circuit unit independent open, and open display, open serial ports etc. are realized being connected of single-chip microcomputer and each element circuit by external connection, the learner is had more fully the single-chip microcomputer function be familiar with.
4, teaching extendability, the single chip computer experiment platform adopts the external design of emulator, and emulator and experimental system are separated, and emulator can use separately, and can match other model emulator, adapts to the update of product.TS87c51, MSP430 element circuit are provided simultaneously, can have adopted other Single Chip Microcomputer (SCM) system to carry out education experiment according to the requirement of experimental teaching.
The utility model experimental box provides two experiment porchs: single chip computer experiment platform and EDA experiment porch.Finish basic experiment in " Fundamentals of Mono-Chip Computers and application " course by the single chip computer experiment platform; By the EDA experiment porch, utilize CPLD/FPGA digital Design function and interconnection technique, finish the hardware design of SCM peripheral circuit; And the online distribution of single-chip processor i/o, promptly realize the full virtual i/o technology of single-chip microcomputer.Therefore, can be according to the different hardware interface circuit of different experiments function design, whole flexible design is changeable, has strengthened the cultivation of students practise application power from hardware and two aspects of software.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model.
Fig. 2 is the single chip computer experiment platform structure synoptic diagram among Fig. 1.
Fig. 3 is the EDA experiment porch structural representation among Fig. 1.
1. casings among the figure, 2. power supply, 3. single chip computer experiment platform, 4.EDA experiment porch, 5. external emulator interface element circuit, 5-1.MSP430 expanding element circuit, 6.TS87c51 interface unit circuit, 6.RS232 serial communication element circuit, 7.RS485 serial communication element circuit, 8.LED level display unit circuit, 9.I/O mouthful expansion input-cell circuitry, 10. logic level switch element circuit, 11.8 the digital display unit circuit of position LED, 12. the first data storage cell circuit, 13.LCD liquid crystal display circuit, 14.A/D conversion unit circuit, 15.D/A conversion unit circuit, 16.4X4 keyboard unit circuit, 17. DLL (dynamic link library) element circuit, 18. hummer element circuit, 19.CPLD/FPGA chip download unit circuit (built-in DSP processing module), 20. single-chip microcomputer extended interface unit circuit, 21. audio unit circuit, 22. the second data storage cell circuit, 23. direct current generator element circuit, 24. power amplifier unit circuit, 25. loudspeaker unit circuit, 26. stepper motor element circuit.
Embodiment
In Fig. 1, a single chip computer experiment platform 3 and EDA experiment porch 4 one right left sides are positioned at casing 1, and power supply 2 is positioned at the printed board below of single chip computer experiment platform 3 and EDA experiment porch 4.
In Fig. 2, be provided with external emulator interface element circuit 5, MSP430 expanding element circuit 5-1, TS87c51 interface unit circuit 6, RS232 serial communication element circuit 7 and RS485 serial communication element circuit 8, LED level display unit circuit 9, I/O mouth expansion input-cell circuitry 10, the digital display unit circuit 12 of 11,8 LED of logic level switch element circuit, the first data storage cell circuit 13, LCD liquid crystal display circuit 14, A/D conversion unit circuit 15, D/A conversion unit circuit 16 and 4X4 keyboard unit circuit 17 in the single chip computer experiment platform 3.
Draw P1 mouth, P3 mouth totally 14 jack-plug sockets by external emulator interface element circuit 5, be used to connect other element circuit.
In Fig. 3, be provided with DLL (dynamic link library) element circuit 18, hummer element circuit 19, CPLD chip download unit circuit 20, single-chip microcomputer extended interface unit circuit 21, audio unit circuit 22, the second data storage cell circuit 23, direct current generator element circuit 24, power amplifier unit circuit 25, loudspeaker unit circuit 26 and stepper motor element circuit 27 in the EDA experiment porch 4.
Comprise CPLD chip and RS232 communication interface circuit and power down function holding circuit on the CPLD chip download unit circuit 20.Can finish the functions such as download, storage and startup bootstrapping of CPLD chip design data.
The utility model principle of work branch following steps are finished:
One, single-chip microcomputer infrastest
1, the interface with the external emulator interface element circuit 5 in single-chip microcomputer debugging emulation device and the single chip computer experiment platform 3 links to each other, and by signal cable external debugging emulation device is linked to each other with the computing machine that related software has been installed with single chip computer experiment platform 3.(emulator that this experimental box is equipped with is the high-performance real-time online emulator that Guangzhou Zhiyuan Electronics Co., Ltd. releases).
2,, connect the corresponding functional unit circuit by lead according to requirement of experiment.
3, turn on the power switch, by mcu programming control function corresponding element circuit.
More than 3 steps form required single-chip microcomputer experiment systems.
Two, Design of Digital System and interface microcontroller experiment
1, the external emulator interface element circuit 5 with single chip computer experiment platform 3 links to each other with the single-chip microcomputer expansion interface 21 of EDA experiment porch 4.
2, by signal cable external emulator is linked to each other with the computing machine that related software has been installed with EDA experiment porch 4.
3, design interface microcontroller circuit in CPLD inside with hardware description language according to requirement of experiment, by mcu programming control function corresponding element circuit.
More than 3 steps form required EDA experimental systems.
Claims (1)
1. single-chip microcomputer comprehensive Design experimental box, this experimental box comprises casing and power supply, it is characterized in that single chip computer experiment platform and EDA experiment porch are positioned at casing, power supply is positioned at the printed board below of single chip computer experiment platform and EDA experiment porch; Be provided with external emulator interface element circuit, MSP430 expanding element circuit, TS87c51 interface unit circuit, RS232 and RS485 serial communication element circuit, LED level display unit circuit, I/O mouth expansion input-cell circuitry, logic level switch element circuit, 8 the digital display unit circuits of LED, data storage cell circuit, LCD liquid crystal display circuit, A/D conversion unit circuit, D/A conversion unit circuit and 4X4 keyboard unit circuit in the single chip computer experiment platform, each functional unit circuit is provided with the connection stomidium in the single chip computer experiment platform; Be provided with DLL (dynamic link library) element circuit, hummer element circuit, CPLD chip download unit circuit, single-chip microcomputer extended interface unit circuit, audio unit circuit, data storage cell circuit, direct current generator element circuit, power amplifier unit circuit, loudspeaker unit circuit, stepper motor element circuit in the EDA experiment porch, each functional unit connects by the printed board cabling in the EDA experiment porch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205132945U CN201749600U (en) | 2010-08-27 | 2010-08-27 | Single chip microcomputer comprehensive design experiment box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205132945U CN201749600U (en) | 2010-08-27 | 2010-08-27 | Single chip microcomputer comprehensive design experiment box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749600U true CN201749600U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205132945U Expired - Fee Related CN201749600U (en) | 2010-08-27 | 2010-08-27 | Single chip microcomputer comprehensive design experiment box |
Country Status (1)
| Country | Link |
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| CN (1) | CN201749600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448321A (en) * | 2016-10-31 | 2017-02-22 | 河南理工大学 | Method for realizing remote experiment and single-chip remote experiment system thereof |
| CN110310552A (en) * | 2019-07-03 | 2019-10-08 | 西北工业大学 | A kind of Integrative Experimental Teaching system based on singlechip experimental board |
-
2010
- 2010-08-27 CN CN2010205132945U patent/CN201749600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448321A (en) * | 2016-10-31 | 2017-02-22 | 河南理工大学 | Method for realizing remote experiment and single-chip remote experiment system thereof |
| CN110310552A (en) * | 2019-07-03 | 2019-10-08 | 西北工业大学 | A kind of Integrative Experimental Teaching system based on singlechip experimental board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110216 Termination date: 20120827 |