CN204087580U - A kind of teaching EDA and SOPC brassboard of portable four line unifications - Google Patents
A kind of teaching EDA and SOPC brassboard of portable four line unifications Download PDFInfo
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- CN204087580U CN204087580U CN201420626924.8U CN201420626924U CN204087580U CN 204087580 U CN204087580 U CN 204087580U CN 201420626924 U CN201420626924 U CN 201420626924U CN 204087580 U CN204087580 U CN 204087580U
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Abstract
The utility model discloses EDA and the SOPC brassboard of a kind of teaching with portable four line unifications, brassboard comprises the core board being arranged at brassboard central authorities, core board is laid SOPC chip, SOPC chip is connected with the serial type configurator on brassboard, audio codec, USB microcontroller, ethernet controller by USERIO by core board respectively; Brassboard is also provided with the D/A converter and AD converter that are connected with core board USERIO interface; USB port on brassboard is connected with computer by the USB line of four line unifications; The USB line set power lead of four lines unifications, downloading wire, debugging line, function with the Serial Port Line of PC communication.This brassboard is easy to carry, and perfect in shape and function is applied widely, can use as the experiments supporting instrument of EDA course and SOPC course; And cost of development is cheaper, is easy to safeguard, there is splendid practical effect.
Description
Technical field
The utility model relates to the circuit board of a kind of electronic instruction experiment, is specifically related to EDA and the SOPC brassboard of a kind of teaching with portable four line unifications.
Background technology
EDA is electric design automation, it is the computer software grown up in the Electronic CAD technical foundation of the seventies in last century, refer to computing machine to be workbench, merge the newest fruits of application electric technology, computer technology, information processing and intellectualized technology, carry out the Automated Design of electronic product.SOPC is programmable system on chip, and it is a kind of flexible, the efficient SoC solution based on FPGA that altera corp put forward the beginning of this century.EDA and SOPC described in the utility model is all based on FPGA, and current EDA technology and SOPC technology have been widely used in the applications such as instrument and meter, Intelligent Recognition and embedded device.In order to make teaching each application towards the society, for more better poly-talented, applied talents cultivate in society, domestic a lot of colleges and universities have offered EDA course all, and Some Universities has offered SOPC course.EDA course and SOPC course are all the technical courses very strong with practicality, and therefore, experimental teaching occupies critical role.
And the chamber maintenance cost being conventionally used to EDA and SOPC experimental teaching is high, equipment is heavy, is all platforms of comprehensive multiple experimental project mostly, and inner structure is complicated, does not have complete design of experiment, student's indigestion experimental principle.Conveniently impart knowledge to students, experiment table additionally uses integrated encapsulation, when student tests, only need call the experiment designed, correct line, just can obtain net result.Like this, student not only lacks property of participation, and is difficult to be taken exercise in the actual design ability of EDA and SOPC.
Utility model content
The utility model technical issues that need to address are just the defect overcoming prior art, a kind of teaching EDA and SOPC brassboard of portable four line unifications is provided, this brassboard is easy to carry, perfect in shape and function, applied widely, can use as the experiments supporting instrument of EDA course and SOPC course, and instrument can be instructed as graduation project, the uses such as student's innovative experiment instructs instrument, university student electron design game training apparatus.Make the grasp of student to EDA technology and SOPC technology more deep, circuit design and debugging technical ability all improve a lot, and cost of development is cheaper, is easy to safeguard, has splendid practical effect.
For solving the problem, the utility model adopts following technical scheme:
A kind of teaching EDA and SOPC brassboard of portable four line unifications, described brassboard comprises the core board being arranged at brassboard central authorities, core board is laid SOPC chip, SOPC chip is connected with the serial type configurator on brassboard, audio codec, USB microcontroller, ethernet controller by USER IO by core board respectively; Brassboard is also provided with the 14 bit parallel high speed D/A converter and 12 high-speed A/D converters that are connected with core board USER I/O interface; Core board is connected with the button on brassboard, LED horse race lamp, VGA delivery outlet, SD draw-in groove, PS/2 interface respectively by P0 mouth; Brassboard is provided with 8 buttons;
USB port on brassboard is connected with computer by the USB line of four lines unifications, and USB microcontroller can realize several functions and be integrated in USB port and realize; The USB line set power lead of four lines unifications, downloading wire, debugging line, using function with the Serial Port Line of PC communication, only use USB line can realize four kinds of functions, the USB line of four lines unifications is independent conventional USB lines, and four described lines unifications are functions that a USB line can realize four traditional lines; Power supply function is by directly realizing from USB port power taking; Serial communication function turns serial port chip by FT232 USB and realizes; Download and debug function turn JTAG module by a USB and realize;
USB microcontroller wherein, data can be saved on outside USB flash disk by USB microcontroller CY7C68013A by brassboard, or can transmit data with computer by usb protocol.
Brassboard is also provided with the FLASH memory, SRAM memory, the SDRAM storer that are connected by the USER I/O port on core board with SOPC chip; FLASH memory, SRAM memory, SDRAM storer, serial type configurator EPCS16 are all arranged on core board.
Audio decoder is provided with audio input port and audio output port;
Brassboard is also provided with 4 the seven sections of common anode charactrons be connected with core board.
Preferably, the model of SOP chip is EP3C25F324;
The model of USB microcontroller is CY7C68013A;
The high-performance stereo audio codec of audio codec to be model be TLV320A;
The model of ethernet controller is DM9000AEP;
The model of serial type configurator is EPCS16.
Preferably, the model of 14 bit parallel high speed D/A converter is DAC904, and described converter is that the D/A of 14 bit resolutions changes integrated chip; Pin compatibility DAC908, DAC900, DAC902 of described converter, provide 8,10,12 bit resolutions selections respectively; The switching rate of described converter is greater than 165Msps.This D/A converter has excellent dynamic property.
Preferably, the model of 12 high-speed A/D converters is AD9226, and described converter is single power supply, 12 precision, and the switching rate of described converter is 65Msps; The high performance sample/hold amplifier of described converter Embedded and reference voltage source.
Preferably, audio codec is built-in with the earphone output amplifier supporting mic and line in alternative input mode.Input and output all have programmable gain-adjusted function.
Preferably, ethernet controller comprises the SRAM of a 10/100M adaptive PHY and 4K DWORD value.
Preferably, USB microcontroller CY7C68013A is the EZ-USB FX2LP series low-power consumption version single-chip microcomputer of Cypress company; Described USB microcontroller has and the CPU of 8051 single-chip microcomputer compatibilities and order set, comprises USB interface and complete USB 2.0 protocol engine.
The using method of this brassboard is:
1. first install relevant EDA and develop software (as Quartus);
2. connect computer by USB port to power on to brassboard;
3., by after eda software coding, downloaded by USB port, and on-line debugging can be carried out by USB port to program;
4., as used serial communication function, first computer is installed corresponding Serial Port Communication Software and driver, and write brassboard serial communication program, then brassboard just can complete serial communication by USB port and computer.Teaching or the experiment that can carry out the brassboard of being correlated with subsequently use.
Experimentally integrated on plate module completes following infrastest: USB interface drives experiment, PS/2 interface communication is tested, usb communication is tested, the soft core contrived experiment of NIOS, peripheral module contrived experiment, the PIO mouth of SOPC uses experiment, UART controller communication experiment, PIO interrupt experiments, timer uses and timer interruption experiment, and the combination experiment that based single infrastest is expanded out, above-mentioned infrastest all can combination in any, based on the uC/OS-II operating system application experiment of SOPC, Flash Programmer uses experiment, Ethernet interface communication experiment, above-mentioned infrastest all can combination in any, recycling expansion mouth carries out module expansion, then more can test around EDA and SOPC brassboard.
The beneficial effects of the utility model are: the utility model brassboard is easy to carry, and perfect in shape and function is applied widely.EDA and the SOPC brassboard of novel portable four line unification has been widely used in EDA and SOPC course teaching, Undergraduate Graduation Design instructs, student's innovative experiment instructs, undergraduate's practical teaching, the Pre-Games Training of University Students in Beijing electronic designing competition, the Pre-Games Training of national college students' electronic designing competition.EDA and SOPC brassboard well can help Students ' Learning and use EDA technology and SOPC technology, makes knowwhy be converted to practicals kill, makes student more deep to EDA and SOPC mastery of knowledge, and circuit design and debugging technical ability all improve a lot.
Brassboard cost of development of the present utility model is cheaper, is easy to safeguard, has splendid practical effect.
The utility model adopts USB port to be connected with computer by the USB line of four line unifications; The USB line set power lead of four lines unifications, downloading wire, debugging line, Serial Port Line with PC communication; Succinct connected mode can be realized, there is higher stability and transfer efficiency.Brassboard only needs a supporting USB line just can realize power supply, download program, debugging, the function that communicates with PC, overcomes the shortcoming of traditional experiment case, easy to carry, and perfect in shape and function is applied widely, and cost of development is cheaper, is easy to safeguard.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of the utility model brassboard.
Fig. 2 is traditional brassboard and PC connection layout.
In figure: 1 is EP3C25F324 core board, 2 is button and LED, 3 is VGA delivery outlet, and 4 is SD draw-in groove, and 5 is PS/2 interface, 6 is series arrangement device EPCS16,7 is audio codec TLV320A, and 8 is too net controller DM9000AEP, and 9 is USB microcontroller CY7C68013A, 10 is 12 high-speed A/D converter AD9226, and 11 is 14 bit parallel high speed D/A converter DAC904.
21 is the power lead of traditional EDA and SOPC brassboard, and 22 is the Serial Port Line of traditional EDA and SOPC brassboard, and 23 is the downloading wire of traditional EDA and SOPC brassboard, and 24 is the debugging line of traditional EDA and SOPC brassboard.
Embodiment
embodiment 1
As shown in Figure 1, the utility model is EDA and the SOPC brassboard of a kind of teaching with portable four line unifications, described brassboard comprises the core board being arranged at brassboard central authorities, core board is laid SOPC chip, SOPC chip is connected with the serial type configurator on brassboard, audio codec, USB microcontroller, ethernet controller by USER IO by core board respectively; Brassboard is also provided with the 14 bit parallel high speed D/A converter and 12 high-speed A/D converters that are connected with core board USER I/O interface; Core board is connected with the button on brassboard, LED horse race lamp, VGA delivery outlet, SD draw-in groove, PS/2 interface respectively by P0 mouth; Brassboard is provided with 8 buttons;
The utility model adopts USB port to be connected with computer by the USB line of four line unifications; The USB line set power lead of four lines unifications, downloading wire, debugging line, Serial Port Line with PC communication;
Brassboard is also provided with the FLASH memory, SRAM memory, the SDRAM storer that are connected by the USER I/O port on core board with SOPC chip; Audio decoder is provided with audio input port and audio output port; Brassboard is also provided with 4 the seven sections of common anode charactrons be connected with core board.
The model of SOP chip is EP3C25F324; The model of USB microcontroller is CY7C68013A; The high-performance stereo audio codec of audio codec to be model be TLV320A; The model of ethernet controller is DM9000AEP; The model of serial type configurator is EPCS16.
The model of 14 bit parallel high speed D/A converter is DAC904, and described converter is that the D/A of 14 bit resolutions changes integrated chip; Pin compatibility DAC908, DAC900, DAC902 of described converter, provide 8,10,12 bit resolutions selections respectively; The switching rate of described converter is greater than 165Msps.This D/A converter has excellent dynamic property.
The model of 12 high-speed A/D converters is AD9226, and described converter is single power supply, 12 precision, and the switching rate of described converter is 65Msps; The high performance sample/hold amplifier of described converter Embedded and reference voltage source.
Audio codec is built-in with the earphone output amplifier supporting mic and line in alternative input mode.Input and output all have programmable gain-adjusted function.
Ethernet controller comprises the SRAM of a 10/100M adaptive PHY and 4K DWORD value.USB microcontroller CY7C68013A is the EZ-USB FX2LP series low-power consumption version single-chip microcomputer of Cypress company; Described USB microcontroller has and the CPU of 8051 single-chip microcomputer compatibilities and order set, comprises USB interface and complete USB 2.0 protocol engine.The debugging software adopted in the utility model, driver etc. are existing mature technology, no longer describe in the present embodiment.
Connected mode traditional in Fig. 2 needs use four lines to be connected with computer, uses very inconvenience.By contrast, brassboard of the present utility model has compact conformation, connects advantage that is succinct, easy to use, that be easy to carry about with one.
Last it is noted that obviously, above-described embodiment is only for the utility model example is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among protection domain of the present utility model.
Claims (7)
1. impart knowledge to students with EDA and the SOPC brassboard of portable four lines unifications for one kind, it is characterized in that, described brassboard comprises the core board being arranged at brassboard central authorities, core board is laid SOPC chip, SOPC chip is connected with the serial type configurator on brassboard, audio codec, USB microcontroller, ethernet controller by USER IO by core board respectively; Brassboard is also provided with the 14 bit parallel high speed D/A converter and 12 high-speed A/D converters that are connected with core board USER I/O interface; Core board is connected with the button on brassboard, LED horse race lamp, VGA delivery outlet, SD draw-in groove, PS/2 interface respectively by USER IO; Brassboard is provided with 8 buttons;
USB port on brassboard is connected with computer by the USB line of four line unifications; The USB line set power lead of four lines unifications, downloading wire, debugging line, using function with the Serial Port Line of PC communication;
Brassboard is also provided with the FLASH memory, SRAM memory, the SDRAM storer that are connected by the USER I/O port on core board with SOPC chip;
Audio decoder is provided with audio input port and audio output port;
Brassboard is also provided with 4 the seven sections of common anode charactrons be connected with core board.
2. brassboard as claimed in claim 1, it is characterized in that, the model of SOP chip is EP3C25F324;
The model of USB microcontroller is CY7C68013A;
The high-performance stereo audio codec of audio codec to be model be TLV320A;
The model of ethernet controller is DM9000AEP;
The model of serial type configurator is EPCS16.
3. brassboard as claimed in claim 2, it is characterized in that, the model of 14 bit parallel high speed D/A converter is DAC904, and described converter is that the D/A of 14 bit resolutions changes integrated chip; Pin compatibility DAC908, DAC900, DAC902 of described converter, provide 8,10,12 bit resolutions selections respectively; The switching rate of described converter is greater than 165Msps.
4. brassboard as claimed in claim 3, it is characterized in that, the model of 12 high-speed A/D converters is AD9226, and described converter is single power supply, 12 precision, and the switching rate of described converter is 65Msps; The high performance sample/hold amplifier of described converter Embedded and reference voltage source.
5. brassboard as claimed in claim 4, is characterized in that, audio codec is built-in with the earphone output amplifier supporting mic and line in alternative input mode.
6. brassboard as claimed in claim 5, it is characterized in that, ethernet controller comprises the SRAM of a 10/100M adaptive PHY and 4K DWORD value.
7. brassboard as claimed in claim 6, is characterized in that, USB microcontroller CY7C68013A is the EZ-USB FX2LP series low-power consumption version single-chip microcomputer of Cypress company; Described USB microcontroller has and the CPU of 8051 single-chip microcomputer compatibilities and order set, comprises USB interface and complete USB 2.0 protocol engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626924.8U CN204087580U (en) | 2014-10-28 | 2014-10-28 | A kind of teaching EDA and SOPC brassboard of portable four line unifications |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626924.8U CN204087580U (en) | 2014-10-28 | 2014-10-28 | A kind of teaching EDA and SOPC brassboard of portable four line unifications |
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| CN204087580U true CN204087580U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420626924.8U Expired - Fee Related CN204087580U (en) | 2014-10-28 | 2014-10-28 | A kind of teaching EDA and SOPC brassboard of portable four line unifications |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104732848A (en) * | 2015-02-12 | 2015-06-24 | 北京百科融创教学仪器设备有限公司 | Experimental box for EDA teaching development |
| CN106548691A (en) * | 2017-01-19 | 2017-03-29 | 焦作大学 | A kind of single-chip microcomputer experiment system |
-
2014
- 2014-10-28 CN CN201420626924.8U patent/CN204087580U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104732848A (en) * | 2015-02-12 | 2015-06-24 | 北京百科融创教学仪器设备有限公司 | Experimental box for EDA teaching development |
| CN104732848B (en) * | 2015-02-12 | 2018-02-13 | 北京百科融创教学仪器设备有限公司 | EDA Instructional Development experimental boxs |
| CN106548691A (en) * | 2017-01-19 | 2017-03-29 | 焦作大学 | A kind of single-chip microcomputer experiment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150107 Termination date: 20201028 |