CN203706528U - Module combined type FPGA system development board - Google Patents
Module combined type FPGA system development board Download PDFInfo
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- CN203706528U CN203706528U CN201320868232.XU CN201320868232U CN203706528U CN 203706528 U CN203706528 U CN 203706528U CN 201320868232 U CN201320868232 U CN 201320868232U CN 203706528 U CN203706528 U CN 203706528U
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- module
- charactron
- core board
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- light
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Abstract
The utility model discloses a module combined type FPGA system development board, comprising a core board, a key input module, a light emitting diode display module, and a nixie tube display output module. The key input module, the light emitting diode display module, and the nixie tube display output module are respectively connected with the core board. The core board can also further connect with a pulse module, an analog-to-digital conversion module, a toggle switch module, a dithering removing switching module, and other periphery modules through a Dupont line, a socket, a pin header, a breadboard line or a jumper. Each module can be fixed on a glass board through a fixing copper base and a fixing copper column. The FPGA system development board realizes convenient combination and establishing of circuits according to actual needs, and is especially suitable for frequently repeated teaching experiments, and meanwhile the board can effectively save cost.
Description
Technical field
The utility model relates to a kind of development board, in particular to a kind of module combined type FPGA system development plate.
Background technology
In order to meet the teaching needs of electronic technology class course, much instruments used for education manufacturer has developed the experimental box of Multiple Type, although core board and circuit module that the experimental box that different manufacturers is produced adopts are had any different, but be all the development board of integrated-type, be that a lot of circuit modules are integrated on a large circuit board, on monoblock circuit board, then mark off different circuit units.Mainly there is following shortcoming in the development board of this integrated-type:
(1) between each circuit unit for being fixedly connected with, maintenance and change inconveniently, all needs to take apart whole experimental box when any one component wear need be changed;
(2) circuit unit limited amount, can not expand, and has limited kind and the scale of experimental project;
(3) circuit unit kind is single, can only meet basic experiment needs;
(4) circuit unit integrated level is high, and inner structure is hidden, annexation and the inner structure of user's indigestion circuit;
(5) core board configuration interface is too much, takies a large amount of I/O interfaces, the I/O interface deficiency that causes user to use;
(6) cost is high, and the selling price of most integrated-type development boards is 4000 yuan～5000 yuan left and right, and maintenance cost is also higher.
In addition, Part Development plate adopts the modular design of " core board+peripheral module ", builds system, but still have following shortcoming by core board and each peripheral module:
(1) although adopt the connected mode of " core board+peripheral module ", all peripheral modules are all plugged on the fixed position of core board, and the same position same generic module of can only pegging graft, greatly reduces the dirigibility of system;
(2) whole development board structure is thin, firm not, cannot stand plug repeatedly, can not meet teaching needs;
(3) core board area is limited, has limited the size of peripheral module, can only use miniature device, and keyboard, button, charactron volume are all very little, operation inconvenience.
Utility model content
The utility model provides a kind of module combined type FPGA system development plate, combines easily and build according to actual needs circuit in order to realize.
For achieving the above object, the utility model provides a kind of module combined type FPGA system development plate, comprising: core board, keyboard input module, light-emitting diode display module, charactron show output module, wherein:
Core board comprises FPGA circuit, and keyboard input module, light-emitting diode display module, charactron show that output module is connected with core board respectively;
Keyboard input module comprises independent switch formula button and separate button formula button, and keyboard input module is converted to electric signal for the button rotation information of the button of independent switch formula button being pressed to information or separate button formula button;
The light emitting diode that light-emitting diode display module comprises multiple different colours, the light emitting diode of multiple different colours is luminous in the time that its both end voltage is greater than setting value, and light-emitting diode display module is used for converting electrical signals to light signal;
Charactron shows that output module comprises charactron static demonstration output module and charactron dynamically shows output module, charactron is static shows that output module and charactron dynamically show that output module comprises respectively multiple charactrons, and charactron shows that output module is used for converting electrical signals to light signal.
Further, core board further connects following at least one module: pulse module, analog-to-digital conversion module, toggle switch module, the moving switch module of debounce, wherein:
Pulse module is used for to core board input pulse signal, analog-to-digital conversion module is for being converted to digital signal by simulating signal, toggle switch module is for output switch amount signal, the moving switch module of debounce comprises toggle switch, and the moving switch module of debounce is for carrying out de-jitter to the output signal of toggle switch.
Further, core board is EP2C8Q208C8N chip.
Further, core board, keyboard input module, light-emitting diode display module, charactron show that output module is fixed on glass plate by fixed copper seat and fixed copper post respectively.
Further, core board shows that with keyboard input module, light-emitting diode display module, charactron output module is connected by Du Pont's line, mother row, row's pin, bread printed line or wire jumper.
Further, core board shows that with keyboard input module, light-emitting diode display module, charactron output module is connected by terminal row, be flush system distribution or core board and show that with described keyboard input module, light-emitting diode display module, charactron output module is connected by fixed copper post, be stacked distribution.
Further, module combined type FPGA system development plate also comprises multiple general-purpose circuit boards, multiple general-purpose circuit boards show that with core board, keyboard input module, light-emitting diode display module, charactron output module is connected respectively, each general-purpose circuit board all comprises multiple rectangle frames, each rectangle frame all comprises multiple solder joints that are connected, and solder joint is used for the electronic component of pegging graft.
The utility model has reached following beneficial effect:
(1) adopt combined type module, can need to combine by practical application, three-dimensional assembling;
(2) between core board and each peripheral module, adopt Du Pont's line to peg graft, plug and play, is particularly suitable for the education experiment often repeating;
(3) module size standardization, each module size is unified, is convenient to combination expansion, can also three-dimensional assemble;
(4) cost is low, can realize the development board cost price of basic function in 1500 yuan, approximately 200 yuan/piece of the peripheral module of increase.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the solder joint distribution schematic diagram of the general-purpose circuit board of the utility model one embodiment;
Fig. 2 is the each module connection diagram of module combined type FPGA system development plate of the utility model one embodiment.
Description of reference numerals: 1-30 the row that solder joint is connected; 2-5 the row that solder joint is connected; 3-5 the row that solder joint is connected; 4-3 the row that solder joint is connected; 5-4 the row that solder joint is connected; 6-30 the row that solder joint is connected; 7-core board; 8-keyboard input module; 9-light-emitting diode display module; 10-charactron shows output module; 11-pulse module; 12-analog-to-digital conversion module; 13-toggle switch module; 14-debounce is moved switch module.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the solder joint distribution schematic diagram of the general-purpose circuit board of the utility model one embodiment, as shown in the figure, general-purpose circuit board comprises: the row 6 of 5 and 30 solder joints connections of row that 4,4 solder joints of row that 3,3 solder joints of row that 2,5 solder joints of row that 1,5 solder joints of row of 30 solder joint connections are connected are connected are connected are connected.Wherein, the phase of solder joint in each rectangle frame is intercommunicated, and the solder joint in different rectangle frames is not communicated with, and this structure makes general-purpose circuit board have the two-fold advantage of bread board and hole, hole plate concurrently, existing bread board flexibly, have again hole, hole plate firmly.A pin of the equal pluggable electronic element of each solder joint of general-purpose circuit board, available wire jumper connects the solder joint in different rectangle frames simultaneously, realizes the quick and convenient connection between electronic component.Can the peg graft electronic component such as all chips, resistance, inductance, electric capacity, transistor of dual-in-line package of general-purpose circuit board, inserts solder joint welding by the pin of electronic component.In addition, general-purpose circuit board also can pass through Du Pont's line, mother row, row's pin, bread printed line or wire jumper connection core board or other peripheral modules.
Fig. 2 is the each module connection diagram of module combined type FPGA system development plate of the utility model one embodiment, as shown in the figure, module combined type FPGA system development plate comprises: core board 7, keyboard input module 8, light-emitting diode display module 9, charactron show output module 10, pulse module 11, analog-to-digital conversion module 12, toggle switch module 13, the moving switch module 14 of debounce.
Wherein, keyboard input module 8, light-emitting diode display module 9, charactron show output module 10, pulse module 11, analog-to-digital conversion module 12, toggle switch module 13, the moving switch module 14 of debounce are connected with core board 7 respectively, can use Du Pont's line, mother row, row pin, bread printed line or wire jumper when connection.Core board 7, keyboard input module 8, light-emitting diode display module 9, charactron show that output module 10, pulse module 11, analog-to-digital conversion module 12, toggle switch module 13, the moving switch module 14 of debounce are fixed on glass plate by fixed copper seat and fixed copper post.In addition, between each module, also connect by terminal row, make to be between module flush system distributes or each module between connect by fixed copper post, make to be between module stacked distribution.
Core board 7 can be EP2C8Q208C8N chip, the basic circuit of composition FPGA, this chip comprises crystal oscillating circuit, reset key, power light, download pilot lamp, has drawn all I/O(input/output interfaces) resource, and with JTAG debugging download interface.Core board 7 can be connected with computing machine by white winding displacement, or is connected with the LCD MODULE of outsourcing with winding displacement by row's pin.
Keyboard input module 8 comprises 16 independent switch formula buttons and 16 separate button formula buttons, and keyboard input module 8 is converted to electric signal for the button rotation information of the button of 16 independent switch formula buttons being pressed to information or 16 separate button formula buttons; Keyboard input module 8 uses keyswitch and 500 ohm of exclusions, can show that output module 10, analog-to-digital conversion module 12 are connected by arranging mother, Du Pont's line or bread printed line and core board 7, light-emitting diode display module 9, charactron, play input switch amount, keyswitch is pressed as high level, and keyswitch is upspring as low level.
Light-emitting diode display module 9 uses light emitting diode and 300 ohm of exclusions of three kinds of colors of red, yellow, and green, can comprise 32 light emitting diodes, light-emitting diode display module 9 can be connected with core board 7, keyboard input module 8, analog-to-digital conversion module 12, toggle switch module 13, the moving switch module 14 of debounce by mother row, Du Pont's line or bread printed line, light-emitting diode display module 9 plays output display effect, be used for converting electrical signals to light signal, luminous in the time of be greater than+4V of the voltage at light emitting diode two ends ,+2V is not luminous below.
Charactron shows that output module 10 can comprise that charactron static demonstration output module and charactron dynamically show output module, wherein charactron is static shows that output module is made up of 4 SM410501K and 4 SM420501K, can be connected with core board 7, keyboard input module 8, analog-to-digital conversion module 12, toggle switch module 13, the moving switch module 14 of debounce by mother row, Du Pont's line or bread printed line, play output display effect.Charactron dynamically shows that output module is made up of 74LS138 and 2 LG7088BH.Can be connected with core board 7, keyboard input module 8, analog-to-digital conversion module 12, toggle switch module 13, the moving switch module 14 of debounce by mother row, Du Pont's line or bread printed line, charactron shows that output module 10, for converting electrical signals to light signal, plays output display effect.
Pulse module 11 provides 24M pulse signal, NE555 multi-resonant oscillating circuit to provide adjustable frequency (1KHz～100KHz) pulse signal, 74LS00 and button to form manual single pulse signal by the active crystal oscillator of 24M.Pulse module 11 can utilize Du Pont's line or bread printed line to be connected with core board 7, plays input clock pulse signals.
Analog-to-digital conversion module 12 is made up of ADC0809 chip, for converting the simulating signal of input to digital signal, can be connected with core board 7 by mother row, Du Pont's line or bread printed line, play input action, can be used for the sensor signal on general-purpose circuit board to be input in the FPGA on core board 7;
Toggle switch module 13 is used toggle switch and 500 ohm of exclusions, can show that output module 10, analog-to-digital conversion module 12 are connected by mother row, Du Pont's line or bread printed line and core board 7, light-emitting diode display module 9, charactron, toggle switch module 13 is for output switch amount signal;
The moving switch module 14 of debounce uses toggle switch, 74LS00 to form basic rest-set flip-flop, can remove the contact spring of mechanical switch, show that by arranging mother, Du Pont's line or bread printed line and core board 7, light-emitting diode display module 9, charactron output module 10, analog-to-digital conversion module 12 are connected, the moving switch module 14 of debounce is for carrying out de-jitter to the output signal of toggle switch;
Core board 7 can also further connect a D/A converter module being made up of DAC0832 chip (not marking in figure), for converting the digital quantity of output to analog quantity, can be connected with generic disk circuit with core board 7 by mother row, Du Pont's line or bread printed line, play output action, FPGA output signal on core board is exported to the executive component (relay, motor etc.) on general-purpose circuit board.
Be more than an embodiment of the present utility model, when practice, core board and each peripheral module all can be selected as required, and adopt certain connected mode to connect, and realize satisfactory circuit.For example, Electronic Design class match request is completing circuit finished product within the short time (3～4 days), the utility model is configuration module abundant species not only, also can combine as required, also has custom-designed general-purpose circuit board, can realize and meet the different hardware circuits that require, add that shell just can submit works, meet the compete needs of quick finished item of Electronic Design class.
The utility model has reached following beneficial effect:
(1) adopt combined type module, can need to combine by practical application, three-dimensional assembling;
(2) between core board and each peripheral module, adopt Du Pont's line to peg graft, plug and play, is particularly suitable for the education experiment often repeating;
(3) module size standardization, each module size is unified, is convenient to combination expansion, can also three-dimensional assemble;
(4) cost is low, can realize the development board cost price of basic function in 1500 yuan, approximately 200 yuan/piece of the peripheral module of increase.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can be described and be distributed in the device of embodiment according to embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (7)
1. a module combined type FPGA system development plate, is characterized in that, comprising: core board, keyboard input module, light-emitting diode display module, charactron show output module, wherein:
Described core board comprises FPGA circuit, and described keyboard input module, light-emitting diode display module, charactron show that output module is connected with described core board respectively;
Described keyboard input module comprises independent switch formula button and separate button formula button, and described keyboard input module is converted to electric signal for the button rotation information of the button of described independent switch formula button being pressed to information or separate button formula button;
The light emitting diode that described light-emitting diode display module comprises multiple different colours, the light emitting diode of multiple described different colours is luminous in the time that its both end voltage is greater than setting value, and described light-emitting diode display module is used for converting electrical signals to light signal;
Described charactron shows that output module comprises charactron static demonstration output module and charactron dynamically shows output module, described charactron is static shows that output module and charactron dynamically show that output module comprises respectively multiple charactrons, and described charactron shows that output module is used for converting electrical signals to light signal.
2. module combined type FPGA system development plate according to claim 1, is characterized in that, described core board further connects following at least one module: pulse module, analog-to-digital conversion module, toggle switch module, the moving switch module of debounce, wherein:
Described pulse module is used for to core board input pulse signal, described analog-to-digital conversion module is for being converted to digital signal by simulating signal, described toggle switch module is for output switch amount signal, the moving switch module of described debounce comprises toggle switch, and the moving switch module of described debounce is for carrying out de-jitter to the output signal of described toggle switch.
3. module combined type FPGA system development plate according to claim 1, is characterized in that, described core board is EP2C8Q208C8N chip.
4. module combined type FPGA system development plate according to claim 1, it is characterized in that, described core board, keyboard input module, light-emitting diode display module, charactron show that output module is fixed on glass plate by fixed copper seat and fixed copper post respectively.
5. module combined type FPGA system development plate according to claim 1, it is characterized in that, described core board shows that with described keyboard input module, light-emitting diode display module, charactron output module is connected by Du Pont's line, mother row, row's pin, bread printed line or wire jumper.
6. module combined type FPGA system development plate according to claim 1, it is characterized in that, described core board shows that with described keyboard input module, light-emitting diode display module, charactron output module is connected by terminal row, be flush system distribution or described core board and show that with described keyboard input module, light-emitting diode display module, charactron output module is connected by fixed copper post, be stacked distribution.
7. module combined type FPGA system development plate according to claim 1, it is characterized in that, further comprise multiple general-purpose circuit boards, multiple described general-purpose circuit boards show that with described core board, keyboard input module, light-emitting diode display module, charactron output module is connected respectively, each described general-purpose circuit board all comprises multiple rectangle frames, each described rectangle frame all comprises multiple solder joints that are connected, and described solder joint is used for the electronic component of pegging graft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868232.XU CN203706528U (en) | 2013-12-26 | 2013-12-26 | Module combined type FPGA system development board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868232.XU CN203706528U (en) | 2013-12-26 | 2013-12-26 | Module combined type FPGA system development board |
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| Publication Number | Publication Date |
|---|---|
| CN203706528U true CN203706528U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320868232.XU Expired - Fee Related CN203706528U (en) | 2013-12-26 | 2013-12-26 | Module combined type FPGA system development board |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204586A (en) * | 2015-10-27 | 2015-12-30 | 北京天华星航科技有限公司 | Novel thin client |
| CN105259831A (en) * | 2015-10-26 | 2016-01-20 | 中国人民解放军军械工程学院 | Universal FPGA debugging device |
| CN105321410A (en) * | 2015-10-20 | 2016-02-10 | 陕西科技大学 | Modular splicable circuit teaching aid |
-
2013
- 2013-12-26 CN CN201320868232.XU patent/CN203706528U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321410A (en) * | 2015-10-20 | 2016-02-10 | 陕西科技大学 | Modular splicable circuit teaching aid |
| CN105259831A (en) * | 2015-10-26 | 2016-01-20 | 中国人民解放军军械工程学院 | Universal FPGA debugging device |
| CN105204586A (en) * | 2015-10-27 | 2015-12-30 | 北京天华星航科技有限公司 | Novel thin client |
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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 |
Granted publication date: 20140709 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |