CN103176419B - The DSP control panel of compatible TMS320F28x series - Google Patents
The DSP control panel of compatible TMS320F28x series Download PDFInfo
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- CN103176419B CN103176419B CN201310081985.0A CN201310081985A CN103176419B CN 103176419 B CN103176419 B CN 103176419B CN 201310081985 A CN201310081985 A CN 201310081985A CN 103176419 B CN103176419 B CN 103176419B
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- minimum system
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- system plate
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Abstract
A DSP control panel for compatible TMS320F28x series, belongs to current transformer control technology field.Comprise DSP2812 minimum system plate, DSP28335 minimum system plate and base plate.DSP2812 minimum system plate can be connected with base plate separately with DSP28335 minimum system plate.DSP2812 minimum system plate comprises TMS320F2812 control chip, reset circuit, JTAG download mouth, extends out RAM, extends out Flash, extends out pin interface.Reset circuit, JTAG download mouth, extend out RAM, extend out Flash, extend out pin interface and be all connected with TMS320F2812 control chip.Reset circuit provides reset signal for control chip.Extend out RAM, extend out Flash and be respectively DSP control chip extender code and compiled code storage space, extend out RAM and adopt IS6ILV51216 chip, what extend out that Flash adopts is SST39VF800 chip.Advantage is, achieves compatibility, meets DSP self function and maximizes, and the complicated algorithm realizing the new energy fields such as wind-powered electricity generation controls.
Description
Technical field
The invention belongs to current transformer control technology field, in particular, provide a kind of DSP control panel of compatible TMS320F28x series, be applicable to the new-energy grid-connected such as Electric Machine Control, wind-power electricity generation field converter control system, this control panel has the DSP function of compatible TI company's T MS320F28x series, complete function, has good dirigibility, compatibility, selectivity and applicability.
Background technology
At present, DSP has the features such as the computing power of high speed processing complexity, versatility and dirigibility, DSP Facing Digital control and motion control field application very extensively, the such as new forms of energy such as Electric Machine Control, wind-powered electricity generation current transformer control field.Traditional DSP control panel is generally use monolithic DSP(Digital Signal Processing, digital signal processing) chip as control core, and together with DSP control chip is welded and fixed with control panel.When usually experiment uses, there will be control chip and in use burn out or the problem such as renewal.
(1) when control chip burns out, originally only needed to change control chip, and when on control panel, the peripheral interface circuit of control chip does not need change conditions, but due to together with control chip is welded and fixed with control panel, still need to change whole control panel.
(2) control object changes, or when control chip DSP insufficiency of function meets control overflow, such as need to use isonomic precision and the higher dsp chip of speed, due to the ability not possessing compatible homologous series DSP control chip of control panel, also need to readjust the structure of control panel and line.
Above two kinds of common situations all need to change control panel.Embody that traditional control panel utilization factor is low, very flexible, do not possess compatibility and the deficiency such as systemic-function is incomplete.Thus cause the problems such as the wasting of resources, design iterations, construction cycle length.
Summary of the invention
The object of the invention is to the DSP control panel proposing a kind of compatible TMS320F28x series, solve the wasting of resources, design iterations, construction cycle length, very flexible, do not possess the problems such as the similar homologous series control chip of compatible pin function.Achieve compatibility, and meet the maximization of DSP self function, meet the control overflow of friction speed and precision simultaneously, the complicated algorithm realizing the new energy fields such as wind-powered electricity generation controls.
The control chip of the C2000 series TMS320F28x of this compatible TI company of control panel energy, and to use relatively many fixed-point type chip TMS 320 F 2812s and floating type TMS320F28335 in TMS320F28x, the design of control panel compatibility is described.
The present invention includes DSP2812 minimum system plate, DSP28335 minimum system plate and base plate.DSP2812 minimum system plate can be connected with base plate separately with DSP28335 minimum system plate.I.e. base plate energy compatible DSP2812 minimum system plate and DSP28335 minimum system plate simultaneously.
DSP2812 minimum system plate comprises TMS320F2812 control chip, reset circuit, JTAG download mouth, extends out RAM, extends out Flash, extends out pin interface.Reset circuit, JTAG download mouth, extend out RAM, extend out Flash, extend out pin interface and be all connected with TMS320F2812 control chip.Reset circuit provides reset signal for control chip.Extend out RAM, extend out Flash and be respectively DSP control chip extender code and compiled code storage space, extend out RAM and adopt IS6ILV51216 chip, what extend out that Flash adopts is SST39VF800 chip.Extend out pin interface extend out TMS320F2812 control chip pin comprise address bus, data bus, pwm signal, CAP/EQEP signal, ADC, SCI, McBSP, CAN, SPI, read-write chip selection signal, look-at-me, power supply signal.
The pin interface that extends out of DSP2812 minimum system plate and DSP28335 minimum system plate is two contact pin type interfaces, and the structure of two contact pin type interfaces is identical.Contrast DSP2812 minimum system plate and DSP28335 minimum system plate extend out pin, incomplete same.DSP2812 minimum system plate and DSP28335 minimum system plate to extend out the function that major part in pin interface extends out pin be identical, and there is compatible feature, only have minority pin incompatible.The pin that extends out of DSP2812 and DSP28335 minimum system plate is respectively divided into two classes: homogeny pin and otherness pin.Extending out in pin, the same class pin that function is identical, and quantity is also identical, is homogeny pin by this kind of pinout, has compatible feature, such as: address bus A [0..18], data bus D [0..15] etc. extend out pin.Also have minority pin not have compatible feature, be otherness pin by this kind of pinout, this kind of pin has three features: 1) DSP2812 has the pin of this type of function, and DSP28335 does not have; 2) DSP38335 has the pin of this type of function, and DSP2812 does not have; 3) DSP2812 and DSP28335 has the pin of this type of function, but there is quantitative difference, this type of functional pin quantitatively had more.So according to the classification extending out pin, the pin interface that extends out of DSP2812 minimum system plate can be divided into homogeny pin field and otherness pin field, in like manner, also the pin interface that extends out of DSP28335 minimum system plate can be divided into homogeny pin field and otherness pin field.
Base plate comprises FPGA (Field-Programmable Gate Array, field programmable gate array) chip, peripheral circuit and slot.Because the pin interface that extends out of minimum system plate is connected with the slot of base plate, extend out pin interface and be divided into homogeny pin field and otherness pin field, accordingly, the slot of base plate is divided into homogeny pin field and otherness pin field two parts.In slot, otherness pin field part is connected with FGPA, and FPGA is connected with peripheral circuit again.In slot, the pin field of homogeny is directly connected with peripheral circuit.
This connected mode makes the base plate compatible DSP2812 minimum system plate of energy and DSP28335 minimum system plate.The pin (i.e. incompatible pin) that minimum system plate extends out otherness in pin interface guides the I/O port of fpga chip into by slot, then is connected with peripheral circuit by the I/O port of fpga chip.Because FPGA has hardware programmable, otherness pin optionally can be connected with peripheral circuit by FPGA, thus arrive compatible object.That FPGA adopts is EP3C80, is the third generation product of ATERAL company Cyclone series.
Control panel adopts upper and lower lamination, separable structure, upper strata is DSP2812 minimum system plate or DSP28335 minimum system plate, and lower floor is base plate, and what have two contact pin types bottom the minimum system plate of upper strata extends out pin interface, be inserted on the slot of lower floor's base plate, mutually can combine and be separated.Different DSP minimum systems can be changed according to the needs that difference controls.
The beneficial effect of the present invention compared with existing control panel is that control panel has good dirigibility, selectivity and compatibility, complete function.Thus effectively avoid needing the problem to control panel redesign in above-mentioned two situations, overcome very flexible in Traditional control plate, do not possess the deficiency of the similar homologous series control chip of compatible pin function.
Accompanying drawing explanation
Fig. 1 is the functional unit schematic diagram of DSP minimum system plate.
Fig. 2 is base plate functional unit schematic diagram.
Fig. 3 is control panel structure vertical view.
Fig. 4 is control panel structure front elevation.
Fig. 5 is extended pin Region dividing schematic diagram.
Fig. 6 is base plate catenation principle schematic diagram.
Embodiment
The present invention includes DSP2812 minimum system plate, DSP28335 minimum system plate and base plate.DSP2812 minimum system plate can be connected with base plate separately with DSP28335 minimum system plate.I.e. base plate energy compatible DSP2812 minimum system plate and DSP28335 minimum system plate simultaneously.
1, specific embodiments is set forth:
The object of the invention is to the DSP control panel design proposing a kind of compatible TMS320F28x series, the control chip of the C2000 series TMS320F28x of this compatible TI company of control panel energy, and to use relatively many fixed-point type chip TMS 320 F 2812s and floating type TMS320F28335 in TMS320F28x, the design of control panel compatibility is described.
2, the present invention is described in further detail principle below in conjunction with accompanying drawing
Fig. 1 and Fig. 2 is control panel functional unit schematic diagram.As shown in the figure, Fig. 1 is the functional unit schematic diagram of DSP minimum system plate, and Fig. 2 is base plate functional unit schematic diagram.DSP minimum system unit mainly comprises reset circuit, JTAG downloads mouth, extends out RAM, extends out Flash, extends out pin interface, and base plate mainly comprises fpga chip, slot, peripheral circuit.
Below structure and principle are described the compatibility of control panel
(1) from structure
Fig. 3 and Fig. 4 is control panel structural representation, (Fig. 3 is vertical view, Fig. 4 front elevation).What control panel adopted is lamination, separable structure.Upper strata is DSP2812 minimum system plate or DSP28335 minimum system plate, and lower floor is base plate, and what have two contact pin types bottom the minimum system plate of upper strata extends out pin interface, is inserted on the slot of lower floor's base plate.This structure can be changed the minimum system plate on upper strata easily, structure meets the object of base plate compatibility.
(2) from principle
DSP2812 minimum system plate and DSP28335 minimum system plate are extended out homogeny pin in pin interface there is compatible feature, directly cause peripheral circuit, and extend out the pin of otherness in pin, not there is compatibility, need the I/O port of being guided into fpga chip by backplane slot, peripheral circuit is caused again by the I/O port of fpga chip, only need to carry out hardware programming to fpga chip, make to extend out the pin of otherness in pin interface, repeat optionally to be connected with peripheral circuit, reach the object of base plate.Be the implementation step of concrete operations below.
First according to the definition of above-mentioned homogeny and otherness, pin classification is extended out to DSP2812 minimum system plate and DSP28335 minimum system plate, pin interface will be extended out according to classification again and be divided into homogeny pin field and otherness pin field, as shown in Figure 5, last by reference to the accompanying drawings 6, base plate catenation principle schematic diagram is described, reaches the object of compatible DSP2812 minimum system plate and DSP28335 minimum system plate.
As shown in Figure 5, extended pin interface is two contact pin type interfaces, is divided into homogeny pin field and otherness pin field, and wherein dash area is otherness pin field.When designing DSP3812 and DSP28335 minimum system plate, carrying out rational cabling layout to extending out pin, the pin interface that extends out of minimum system plate can be divided into homogeny pin field and otherness pin field.Because the pin interface that extends out of minimum system plate is inserted on backplane slot, corresponding, the slot of base plate is also divided into the pin field of homogeny and the pin field of otherness.
Fig. 6 is base plate catenation principle schematic diagram, is described below to Fig. 6.
Backplane slot is divided into homogeny pin field and function difference pin field, carries out different connections respectively to this two classes pin:
1) pin of homogeny connects
These pins itself are the compatible features had, and are directly connected with sole periphery circuit.
2) pin of otherness connects
This kind of pin does not possess compatible feature, needs the I/O port of being guided into fpga chip by backplane slot, and then is connected with peripheral circuit through the I/O port of fpga chip.By carrying out hardware programming to fpga chip, the otherness pin that minimum system plate can be made to extend out pin interface is connected with peripheral circuit flexibly selectively by fpga chip, thus makes the DSP of the compatible two TMS320F28x series of control panel energy.
Beneficial effect:
The present invention can compatible TMS320F28x series two control chip, meets the control overflow of friction speed and precision.There is good dirigibility, selectivity, compatibility and applicability, complete function.
Claims (1)
1. a DSP control panel for compatible TMS320F28x series, is characterized in that, comprises DSP2812 minimum system plate, DSP28335 minimum system plate and base plate; DSP2812 minimum system plate is connected with base plate separately with DSP28335 minimum system plate; I.e. base plate energy compatible DSP2812 minimum system plate and DSP28335 minimum system plate simultaneously;
DSP2812 minimum system plate comprises TMS320F2812 control chip, reset circuit, JTAG download mouth, extends out RAM, extends out Flash, extends out pin interface; Reset circuit, JTAG download mouth, extend out RAM, extend out Flash, extend out pin interface and be all connected with TMS320F2812 control chip; Reset circuit provides reset signal for control chip; Extend out RAM, extend out Flash and be respectively DSP control chip extender code and compiled code storage space;
The pin interface that extends out of DSP2812 minimum system plate and DSP28335 minimum system plate is two contact pin type interfaces, and the structure of two contact pin type interfaces is identical; Contrast DSP2812 minimum system plate and DSP28335 minimum system plate extend out pin, incomplete same;
Base plate comprises fpga chip, peripheral circuit and slot; The pin interface that extends out of minimum system plate is connected with the slot of base plate, extends out pin interface and is divided into homogeny pin field and otherness pin field, and accordingly, the slot of base plate is divided into homogeny pin field and otherness pin field two parts; In slot, otherness pin field part is connected with FGPA, and FPGA is connected with peripheral circuit again; In slot, the pin field of homogeny is directly connected with peripheral circuit;
This connected mode makes the base plate compatible DSP2812 minimum system plate of energy and DSP28335 minimum system plate; The pin that minimum system plate extends out otherness in pin interface guides the I/O port of fpga chip into by slot, then is connected with peripheral circuit by the I/O port of fpga chip; Because FPGA has hardware programmable, otherness pin optionally can be connected with peripheral circuit by FPGA, reach compatible object;
Extend out RAM and adopt IS6ILV51216 chip, what extend out Flash employing is SST39VF800 chip; Extend out pin interface extend out TMS320F2812 control chip pin comprise address bus, data bus, pwm signal, CAP/EQEP signal, ADC, SCI, McBSP, CAN, SPI, read-write chip selection signal, look-at-me, power supply signal;
That FPGA adopts is EP3C80;
Control panel adopts upper and lower lamination, isolating construction, upper strata is DSP2812 minimum system plate or DSP28335 minimum system plate, lower floor is base plate, what have two contact pin types bottom the minimum system plate of upper strata extends out pin interface, be inserted on the slot of lower floor's base plate, realize combination mutually and be separated, according to the DSP minimum system needing replacing different that difference controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081985.0A CN103176419B (en) | 2013-03-14 | 2013-03-14 | The DSP control panel of compatible TMS320F28x series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081985.0A CN103176419B (en) | 2013-03-14 | 2013-03-14 | The DSP control panel of compatible TMS320F28x series |
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| Publication Number | Publication Date |
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| CN103176419A CN103176419A (en) | 2013-06-26 |
| CN103176419B true CN103176419B (en) | 2015-10-21 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111622B (en) * | 2014-06-16 | 2017-06-20 | 福建睿能科技股份有限公司 | Weaving device and its operating case |
| CN105739348A (en) * | 2014-12-08 | 2016-07-06 | 上海机电工程研究所 | Embedded system control circuit based on DSP |
| CN107966925A (en) * | 2017-11-15 | 2018-04-27 | 北京理工大学 | A kind of high-precision multiple signals data testing system and test method based on DSP28335 |
| CN110413550B (en) * | 2018-04-27 | 2022-02-25 | 北京天诚同创电气有限公司 | Chip serial port program downloading control circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215626Y (en) * | 2008-05-15 | 2009-04-01 | 费珣 | Full digital AC servo control system |
| CN201869158U (en) * | 2010-10-25 | 2011-06-15 | 广州数控设备有限公司 | Alternating current servo drive being compatible with multiple position feedbacks and supporting multiple bus protocols |
| CN202076935U (en) * | 2011-04-12 | 2011-12-14 | 株洲变流技术国家工程研究中心有限公司 | Cascade type main controller of high-voltage frequency converter |
| CN202260994U (en) * | 2011-09-28 | 2012-05-30 | 辽宁省电力有限公司朝阳供电公司 | PWM (Pulse-Width Modulation) control panel circuit |
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2013
- 2013-03-14 CN CN201310081985.0A patent/CN103176419B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215626Y (en) * | 2008-05-15 | 2009-04-01 | 费珣 | Full digital AC servo control system |
| CN201869158U (en) * | 2010-10-25 | 2011-06-15 | 广州数控设备有限公司 | Alternating current servo drive being compatible with multiple position feedbacks and supporting multiple bus protocols |
| CN202076935U (en) * | 2011-04-12 | 2011-12-14 | 株洲变流技术国家工程研究中心有限公司 | Cascade type main controller of high-voltage frequency converter |
| CN202260994U (en) * | 2011-09-28 | 2012-05-30 | 辽宁省电力有限公司朝阳供电公司 | PWM (Pulse-Width Modulation) control panel circuit |
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| CN103176419A (en) | 2013-06-26 |
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Granted publication date: 20151021 Termination date: 20160314 |