CN101727511A - Method for placing part in circuit layout - Google Patents
Method for placing part in circuit layout Download PDFInfo
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- CN101727511A CN101727511A CN200810175713A CN200810175713A CN101727511A CN 101727511 A CN101727511 A CN 101727511A CN 200810175713 A CN200810175713 A CN 200810175713A CN 200810175713 A CN200810175713 A CN 200810175713A CN 101727511 A CN101727511 A CN 101727511A
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Abstract
The invention discloses a method for placing parts in a circuit layout, which comprises the following steps of: firstly utilizing the attribute of electronic parts as a priority sequence for selecting and arranging electronic parts, selecting an important part from a schematic circuit diagram according to the priority sequence, and then recording the important part in a part placement table; then respectively recording the connected part of each pin of the important part in the part placement table according to the schematic circuit diagram; deciding the corresponding positions of the important part and the connected part thereof in the schematic circuit diagram according to the part placement table; and then finishing placement operation by only needing fine adjustment.
Description
Technical field
The present invention relates to the design of printed circuit board, particularly relate to the method that part is put in a kind of circuit arrangement map.
Background technology
(Printed Circuit Board, signal quality PCB) are put roughly decision in (Placement) operation more than the part in the printed circuit board layout (Layout) to a printed circuit board.Therefore, put the basis that operation is the decision signal quality, layout slip-stick artist how with the line signal wiring relation that the electrical engineer was drawn, is generally circuit theory diagrams, for putting with reference to carrying out operation when putting operation.So layout slip-stick artist needs open circuit schematic diagram (schematic) on one side, carry out and put operation on one side, by the wiring relation of manually distinguishing signal in the circuit theory diagrams, with the reference of putting as corresponding part position in the circuit arrangement map.
Fig. 1 example available circuit layout process flow diagram.At first step S101 provides and opens circuit theory diagrams earlier.Follow step S102, layout slip-stick artist is placed in electronic component in the setting area of printed circuit board in the circuit arrangement map by artificial interpretation circuit theory diagrams according to circuit theory diagrams, and the putting position of this electronic component is put each electronic component mostly according to deviser's experience in manual mode.Step S103 carries out wiring topology (trace routing) to finish circuit arrangement map one by one according to line design in circuit arrangement map then.As step S104, be made into printed circuit board afterwards according to circuit arrangement map.As step S105, printed circuit board is carried out debug (debug) operation at last, if layout correctly then finishes the layout operation, otherwise, if the wrong step S102 that then gets back to of layout puts electronic component again.
And existing printed circuit board area is less and the simple circuit design of function can directly convert circuit theory diagrams to the layout circuit of printed circuit board according to above-mentioned method.Yet along with scientific and technological fast development, the function of present electronic installation is increasingly sophisticated, printed circuit board is developed to now multilayer circuit board by in the past individual layer wiring board again, and the electronic component quantity that connects may be thousands of individual, power supply and ground, induction reactance, noise, signal wire, input impedance matching, electromagnetic interference (EMI) or the like factor makes the design of configuration more seem difficult.Therefore circuit layout design, the spent time is more and more longer, and the factor amount is huge and be difficult to discharging and wiring; And how the huge electronic component of quantity discharges and is laid on the printed circuit board, be dependent on the experience accumulation of layout Engineering Bureau mostly, in case the discharging mistake promptly influences follow-up configuration, therefore the position that must constantly revise the electronic component discharging reaches layout again, then must expend the quite long working time thus, so efficient is lower.
Summary of the invention
In order to improve wasting time and energy of manual work, very easily make mistakes, also for the consideration of the production automation, the invention provides a kind of method of in circuit arrangement map, putting by the computer auxiliary component.The objective of the invention is to set up one simpler and easy and rational circuit component arrangement method can help it comparatively fast to finish preferably and put operation.
The present invention proposes the method that part is put in a kind of circuit arrangement map.The method comprises following several steps.At first, define the sequence of importance of a plurality of part classifications.According to described sequence of importance, in circuit theory diagrams, find out strength member, and described strength member record is put in the table at part.Then according to described circuit theory diagrams, respectively the phase pipe fitting record of each pin of described strength member is put in the table at described part.After described circuit theory diagrams are converted to circuit arrangement map, put table according to described part, be decided by the relative position of strength member described in the described circuit arrangement map and described pipe fitting mutually.
In one embodiment of this invention, the method that part is put in the above-mentioned circuit arrangement map at first utilizes attribute of electronic parts as choosing the priority of putting electronic component.If a certain circuit only comprises following electronic component: integrated circuit, connector, transistor, passive part, test point, then definition importance priority size order is integrated circuit, connector, transistor, passive part, test point in this embodiment.After selecting electronic component with this priority, then according to other electronic components therewith the relation that couples of electronic component put other electronic components in regular turn, only need do fine setting afterwards and promptly can finish and put operation.
In sum, when the present invention is applied to circuit layout, can computer auxiliaryly finishes part and put.The method is avoided a large amount of manual work, saves manpower and time.The method that part is put in the circuit arrangement map of the present invention is applicable to and is used for used printed circuit board, avoided the disadvantages of prior art.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 example available circuit layout process flow diagram.
Fig. 2 is the process flow diagram that part arrangement method in a kind of circuit arrangement map is described according to the embodiment of the invention.
Fig. 3 is that the process flow diagram that part is put table is set up in explanation according to the embodiment of the invention.
Fig. 4 is the portion of element according to embodiment of the invention explanation circuit theory diagrams.
Fig. 5 puts table according to the part in the embodiment of the invention.
Fig. 6 is the process flow diagram of putting according to embodiment of the invention explanation part.
Fig. 7 is the portion of element according to embodiment of the invention explanation circuit arrangement map.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its feature of claim and the effect thereof that foundation the present invention proposes, describe in detail as after.The common technician in field can comply with its demand under the present invention, and realizes following all embodiment in any form.For example, " computer-readable storage medium " that can internally stored program realizes above-mentioned all embodiment.That is to say that following all embodiment can use program (computer software) form to realize, and this program is stored in the computer-readable storage mediums such as hard disk, floppy disk, CD-ROM.
Fig. 2 is the process flow diagram that part arrangement method in a kind of circuit arrangement map is described according to the embodiment of the invention.Step S210 defines the sequence of importance of a plurality of part classifications.The sequence of importance of this part classification can predefined at CAD (computer aided design) (Computer-Aided Design, CAD) software or electric design automation (Electronic Design Automation, EDA) software is as the preset value (default) of operation part arrangement method shown in Figure 2.In other embodiments, may provide inputting interface (interface) by CAD software or eda software (hereinafter referred to as computer program), and define the sequence of importance of aforementioned part classification by the user voluntarily.In the present embodiment, be the first cis-position unit of aforementioned sequence of importance with hypothesis integrated circuit classification, next be connector classification, transistor classification, passive part classification, test point classification etc. in regular turn.
Next carry out step S220,, in circuit theory diagrams (schematic), find out strength member, and described strength member record is put in the table at part by step S230 according to the sequence of importance of step S210 definition.For example, if in some circuit theory diagrams, have part classifications such as transistor classification, integrated circuit classification, test point classification, then step S220 can in these circuit theory diagrams, select the integrated circuit classification all parts as strength member, and step S230 puts all parts record of described integrated circuit classification in the table at part.Again for example, if in some circuit theory diagrams, have part classifications such as passive part classification, transistor classification, connector classification, test point classification, then step S220 can in these circuit theory diagrams, select the connector classification all parts as strength member, and step S230 puts all parts record of described connector classification in the table at part.
Next carry out step S240.Step S240 checks all parts (hereinafter referred to as " phase pipe fitting ") that each pin (pin) of described strength member is joined according to described circuit theory diagrams, and respectively " phase pipe fitting " record of each pin of described strength member is put in the table at described part.For example, suppose step S220 select certain integrated circuit U203 as " strength member " one of them, then step S240 can check each pin of integrated circuit U203, and find out " the phase pipe fitting " of each pin of integrated circuit U203 according to the annexation of part in the circuit theory diagrams, and these " phase pipe fittings " record is put in the table at described part.
Step S250 can be converted to described circuit theory diagrams circuit arrangement map (layout).In this transfer process, the computer program in circuit theory diagrams territory (schematic domain) can be with described circuit theory diagrams, affiliated Parts List (component list), netting twine inventory (net list), part are put data remittance abroads such as table, import so that set up a circuit arrangement map and by the computer program of circuit arrangement map territory (layout domain) aforementioned Parts List (component list), netting twine inventory (net list), part are put data such as table.
In the new circuit arrangement map that completing steps S250 is set up, because each part does not determine its position as yet, so the computer program in circuit arrangement map territory can place each part certain default location (for example origin of coordinate).In present embodiment, this computer program can be in step S260, put table according to described part, is decided by in the circuit arrangement map strength member and its relative position of pipe fitting mutually.This computer program can be put the record order of " strength member " in the table according to described part, earlier first " strength member " is placed in the printed circuit board in the circuit arrangement map, put table according to described part then, determine aforementioned first " strength member " and its relative position of pipe fitting mutually.For example, earlier first strength member (integrated circuit U203) is placed in the printed circuit board in the circuit arrangement map, the record of putting table then according to described part, the phase pipe fitting (for example resistance R 240) of integrated circuit U203 the 2nd pin is placed near integrated circuit U203 the 2nd pin, by that analogy.All the phase pipe fittings with integrated circuit U203 all be placed in integrated circuit U203 near after, next put the record order of " strength member " in the table according to described part, second " strength member " is placed in the printed circuit board in the circuit arrangement map, put table according to described part then, determine aforementioned first " strength member " and its relative position of pipe fitting mutually, its process as previously mentioned.Aforementioned process is carried out repeatedly, up to described part put all strength members that table writes down with its mutually pipe fitting all be placed in the printed circuit board in the circuit arrangement map.
In another embodiment, this computer program may be put the record order of " strength member " in the table according to described part, to own " strength member " earlier and be placed in regular turn in the printed circuit board in the circuit arrangement map, and then with the phase pipe fitting be placed in corresponding " strength member " near.In another embodiment, this computer program may be earlier put each " strength member " in the table with random fashion with described part and is placed in the printed circuit board in the circuit arrangement map, and then with the phase pipe fitting be placed in corresponding " strength member " near.
Fig. 3 is according in the preferred embodiment proposed by the invention, illustrates and sets up the process flow diagram that part is put table.Step S300 open circuit schematic diagram is so that carry out following each step.In step S301, the sequence of importance of definition part classification is the critical elements sequence list.In the present embodiment, first cis-position is the integrated circuit classification in the critical elements sequence list, next is connector classification, transistor classification, passive part classification, test point classification etc. in regular turn.Step S301 except above-mentioned points still can be with reference to the related description of step S210 among Fig. 2.Whether step S302 checks still the untreated data page.The circuit theory diagrams of general electronic products are very complicated, must be divided into a plurality of data pages and describe this circuit theory diagrams.Therefore in step S302, this program can judge whether still to have the untreated data page from the multipage drawing of circuit theory diagrams, and from still selecting/obtain a wherein page data the untreated data page.
If step S302 judged result is a "No", then finish this flow process (step S310).If step S302 judged result is a "Yes", then carry out step S303.Step S303 is according to the critical elements sequence list of aforementioned definitions, in the present data page (the selected data page of step S302) of circuit theory diagrams, search the reference title of all parts, then in the reference title of described all parts, select wherein to have the reference title of first recognition feature, and described selecteed the record with reference to title put in the table at described part.For example, suppose that first recognition feature is character " U " (a representative integrated circuit), therefore step S303 can select wherein to have the part of character " U " from the reference title of all parts, and described part with character " U " is considered as strength member and notes down at described part and put in the table.If in the reference title of all parts of described circuit theory diagrams, all do not have first recognition feature (character " U "), then select to have the reference title of second recognition feature, and selected reference title record with described second recognition feature is put in the table at described part.For example, suppose that second recognition feature is word string " CN " (a representative connector), therefore step S303 does not all have under the situation of first recognition feature in the reference title of all parts, can from the reference title of all parts, select wherein to have the part of word string " CN ", and described part with word string " CN " is considered as strength member and notes down at described part and put in the table.Step S303 except above-mentioned points still can be with reference to the related description of step S220 among Fig. 2 and step S230.
Next carry out step S304, put to judge part whether untreated strength member is still arranged in the table, and from still selecting/obtain one of them strength member the untreated strength member, with the strength member as present processing.If step S304 judged result is "No", then return step S302 from the multipage drawing of circuit theory diagrams, judging whether still to have the untreated data page, and from still selecting the next data page the untreated data page.
If step S304 judged result is a "Yes", then carry out step S305.Step S305 finds out all pins of the strength member of present processing, and upgrades described part and put table.Next carry out step S306, put in the pin that table found out with determining step S305 by described part whether untreated pin is still arranged, and from still selecting/obtain one of them pin the untreated pin, with the pin as present processing.If step S306 judged result is a "No", then return step S304, put to judge part whether untreated strength member is still arranged in the table, and from still selecting/obtain next strength member the untreated strength member, with the strength member as present processing.If step S306 judged result is "Yes", then carry out step S307, follow annexation in the described circuit theory diagrams to find out the nearest part that pin connected (hereinafter referred to as " phase pipe fitting ") of present processing.Next carry out step S308, put table at part with the phase pipe fitting record that step S307 is found out.At this embodiment is the reference title of phase pipe fitting and pin number to be write part put table.Next carry out step S309, whether still there is branching-point to be connected to an other part (other phase pipe fittings) with the pin of judging present processing, if step S309 judged result is a "Yes", then return step S307, to find out present processing next " phase pipe fitting " that pin was connected.That is to say, all that follow annexation in the circuit theory diagrams to find out to be connected with selecteed pin (pin of handling at present) are pipe fitting mutually, then according to the distance relation of phase pipe fitting, by little and determine the order of described phase pipe fitting greatly with the pin of handling at present.If step S309 judged result is "No", then return step S306, in the pin of being found out with determining step S305 whether untreated pin is arranged still, and from still selecting/obtain next pin the untreated pin, with the pin as present processing.Above-mentioned steps S304-S309 except above-mentioned points still can be with reference to the related description of step S240 among Fig. 2.
Fig. 4 illustrates the portion of element of circuit theory diagrams.Fig. 4 is wherein one page of most page in the circuit theory diagrams in this hypothesis, and only draws the part of this page among Fig. 4.Please be simultaneously with reference to Fig. 3 and Fig. 4, step S302 is from still selecting/obtain a wherein page data the untreated data page.Suppose the circuit theory diagrams that step S302 selects Fig. 4 to draw at this.Fig. 4 is the untreated page still at this moment, so the judged result of step S302 is a "Yes".Therefore next carry out step S303.
In step S303, according to described sequence of importance, in circuit theory diagrams, find out strength member, and described strength member record is put in the table at part.As shown in Figure 4, in this present chosen page, resistance R 240, resistance R 238, integrated circuit U203, diode D201, resistance R 241, resistance R 239 etc. are arranged altogether.Therefore step S303 can find out integrated circuit U203 as strength member in the data page of present processing shown in Figure 4, and described strength member record is put in the table at part.
Fig. 5 has illustrated wherein a kind of implementation that part is put table.The common skill person in affiliated field can comply with its demand, and puts table with other any ways realization parts.Part shown in Figure 5 is put table and is comprised fields (field) such as strength member, pin number, phase pipe fitting.Because step S303 finds out integrated circuit U203 as strength member in the data page of present processing shown in Figure 4, therefore just on putting " strength member " field of table, write down by part shown in Figure 5 the reference title " U203 " of strength member.
Please continue with reference to Fig. 3, Fig. 4 and Fig. 5.Step S304 judges part puts whether untreated strength member is still arranged in the table, and from still selecting/obtain one of them strength member the untreated strength member, with the strength member as present processing.Because the made part of step S303 is put in the table, this moment, the strength member (integrated circuit U203) of record was not processed as yet, so step S304 judged result is " be ".Next carry out step S305, find out all pins of the strength member of present processing.As shown in Figure 4, step S305 can find out eight pins of integrated circuit U203.
Next carry out step S306, in the pin of being found out with determining step S305 whether untreated pin is arranged still.Because this moment, eight pins of integrated circuit U203 were all not processed as yet, so step S306 is from still selecting/obtain one of them pin (for example selecting pin 1 earlier) untreated eight pins, with the pin as present processing.Therefore, step S306 judged result is " be ".Because at present the pin of handling (pin 1 of integrated circuit U203) does not connect any part, thus step S307-S308 not " phase pipe fitting " can be recorded in part and put table, and step S309 judged result is a "No".Next return step S306, in the pin of being found out with determining step S305 whether untreated pin is arranged still, and from still selecting/obtain next pin (for example selecting pin 2) the untreated pin, with the pin as present processing.Next carry out step S307, the pin (pin 2 of integrated circuit U203) of finding out present processing connects next nearest part.As shown in Figure 4, step S307 finds out the pin 2 connection resistance R 240 of integrated circuit U203.Therefore next step S308 writes part with the part of this resistance with reference to title (reference name) " R240 " and pin number " 1 " and puts table.As shown in Figure 5, step S308 is embedded in " pin number " field with the pin 2 of integrated circuit U203, and the reference title " R240 " and the pin number " 1 " of this phase pipe fitting write " phase pipe fitting " field that part is put table with word string " R240-1 ".Next step S309 judges whether the pin of handling at present still has branching-point to be connected to an other part.Because the pin 2 of integrated circuit U203 does not have branching-point and other pipe fittings mutually among Fig. 4, so step S309 judged result is " deny ", and time step S306.
Please continue with reference to Fig. 3, Fig. 4 and Fig. 5.Next carry out step S306 once more.Because integrated circuit U203 still has pin 3-8 not processed, so step S306 with the pin as present processing, carries out step S307 from still selecting/obtain one of them pin (for example selecting pin 3) untreated 6 pins then.This moment step S307 to find out the nearest part that pin 3 connected (phase pipe fitting) of present processing be diode D201, so step S308 writes part with the reference title " D201 " of phase pipe fitting and pin number " C2 " and puts table.As shown in Figure 5, step S308 is embedded in " pin number " field with the pin 3 of integrated circuit U203, and the reference title " D201 " and the pin number " C2 " of this phase pipe fitting write " phase pipe fitting " field that part is put table with word string " D201-C2 ".As shown in Figure 4, the pin 3 of integrated circuit U203 still has a branching-point to be connected to resistance R 239, therefore step S309 judged result is a "Yes", then return next " phase pipe fitting " (being resistance R 239) that step S307 is connected with the pin 3 of finding out present processing, and in step S308 the reference title " R239 " of phase pipe fitting and pin number " 1 " are write part and put table.As shown in Figure 5, at the pin 3 of integrated circuit U203, step S308 writes " phase pipe fitting " field that part is put table with the reference title " R239 " and the pin number " 1 " of this phase pipe fitting with word string " R239-1 ".Because not still untreated branching-point and other pipe fittings mutually of the pin 3 of integrated circuit U203 among Fig. 4, so step S309 judged result is " deny ", and time step S306.Can analogize the pin 4,5,6,7,8 of processing integrated circuit U203 according to preceding method, so repeat no more.
After finishing the processing operation of all pins of integrated circuit U203, step S306 judged result is a "No", therefore returns step S304.Owing to do not had other strength members in the example that Fig. 4 illustrated, so step S304 judged result is that "No" is returned step S302.Suppose the single data page that the handled circuit theory diagrams of present embodiment have only Fig. 4 to illustrate.Owing to the data page that Fig. 4 illustrated as above-mentioned process dispose, so the judged result of step S302 is "No", then carries out step S310 (finishing this flow process).
Fig. 6 is the process flow diagram of putting according to embodiment of the invention explanation part.Step S601 is written into circuit theory diagrams, so that carry out following each step.Step S602 reads part and puts table (part for example shown in Figure 5 is put table).Step S603 cries automatically into all parts.Step S601-S603 except above-mentioned points still can be with reference to the related description of step S250 among Fig. 2.Whether step S604 inspection part is put table still has strength member not put, and puts the title that table is obtained one of them strength member from described part.If step S604 judged result is "No", then to step S610 and process ends.If step S604 judged result is "Yes", then carry out step S605, with the direction position of one of them pin of obtaining strength member.S610 step S606 puts table from part and obtains the phase pipe fitting reference name of this pin and claim.Step S607 checks whether this pin still has other phase pipe fittings.If step S607 judged result is a "Yes", carries out step S608 and put part, and then once carry out step S606 and obtain the reference title of the next phase pipe fitting of this pin to put table from part.In the present embodiment, step S608 is according to the title of aforementioned obtained phase pipe fitting, with phase pipe fitting corresponding in the circuit arrangement map move to strength member near.Whether if step S607 judged result is a "No", then carrying out step S609 still has the pin of not putting to check.S609 then returns step S605 if step S609 judged result is a "Yes", with the direction position of the next pin of obtaining strength member.S609 then returns step S604 if step S609 judged result is a "No", and whether put with the inspection part still has strength member not put in the table.Step S604-S609 except above-mentioned points still can be with reference to the related description of step S260 among Fig. 2.
Fig. 7 has illustrated the portion of element of embodiment of the invention explanation circuit arrangement map.Please be simultaneously with reference to Fig. 5, Fig. 6 and Fig. 7.After step S603 was all parts, whether the part of step S604 controlling chart 5 is put table still had strength member not put.Have integrated circuit U203 not put as yet because part is put table, so step S604 judged result is "Yes", and step S604 put table from described part and obtain the title of this strength member " U203 ".Next carry out step S605, with the direction position of one of them pin (for example pin 2 of integrated circuit U203) of obtaining integrated circuit U203.Step S606 puts table from part and obtains one of them phase pipe fitting reference name of this pin 2 and claim (for example resistance R 240).Because resistance R 240 do not put, so step S607 judged result is "Yes", carries out step S608 and puts part.Step S608 is according to the direction position of the pin 2 of the obtained integrated circuit U203 of step S605, the phase pipe fitting (resistance R 240) that step S606 is obtained be placed in integrated circuit U203 pin 2 near.As shown in Figure 7, the disposing way of resistance R 240 is to be consideration with the pin 2 of the pin 1 of resistance R 240 and the integrated circuit U203 distance between the two.
And then once carry out step S606-S607.Because the pin 2 of integrated circuit U203 does not have other phase pipe fittings, so step S607 judged result is "No", and whether then carry out step S609 still has the pin of not putting to check.Integrated circuit U203 still has pin not processed as shown in Figure 5, so step S609 judged result is "Yes", and returns step S605.Step S605 obtains the direction position of the next pin (for example pin 3) of integrated circuit U203, obtains one of them phase pipe fitting reference name of this pin 3 and claims (for example diode D201) and step S606 puts table from part.Because diode D201 do not put, so step S607 judged result is "Yes", carries out step S608 and puts part.Step S608 is according to the direction position of the pin 3 of the obtained integrated circuit U203 of step S605, the phase pipe fitting (diode D201) that step S606 is obtained be placed in integrated circuit U203 pin 3 near.As shown in Figure 7, the disposing way of diode D201 is to be consideration with the pin 3 of the pin C2 of diode D201 and the integrated circuit U203 distance between the two.
And then once carry out step S606-S607, obtain the reference title of the next phase pipe fitting of this pin 3 (for example resistance R 239) to put table from part.Because resistance R 239 do not put, so step S607 judged result is "Yes", carries out step S608 and puts part.As shown in Figure 7, the disposing way of resistance R 239 is to be consideration with the pin 3 of the pin 1 of resistance R 239 and the integrated circuit U203 distance between the two.And then once carry out step S606-S607.Because the pin 3 of integrated circuit U203 does not have other phase pipe fittings, so step S607 judged result is "No", and whether then carry out step S609 still has the pin of not putting to check.Can analogize the pin 4,5,6,7,8 of processing integrated circuit U203 according to preceding method, so repeat no more.Finish integrated circuit U203 with its mutually after the putting of pipe fitting do not have other strength members because part shown in Figure 5 is put table, so step S604 judged result is "No", then to step S610 and process ends.Thus, can significantly shorten the time and the step of manually putting operation.After finishing above-mentioned automatic flow, layout slip-stick artist can look its demand and only need do fine position and promptly can finish and put operation.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the structure that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. the method that part is put in the circuit arrangement map is characterized in that the method that described part is put comprises:
Define the sequence of importance of a plurality of part classifications;
According to described sequence of importance, in circuit theory diagrams, find out strength member, and described strength member record is put in the table at part;
According to described circuit theory diagrams, respectively the phase pipe fitting record of each pin of described strength member is put in the table at described part;
Described circuit theory diagrams are converted to circuit arrangement map; And
Put table according to described part, be decided by the relative position of strength member described in the described circuit arrangement map and described pipe fitting mutually.
2. the method for putting according to part in the described circuit arrangement map of claim 1 is characterized in that described sequence of importance size is integrated circuit, connector, transistor, passive part, test point in regular turn.
3. the method for putting according to part in the described circuit arrangement map of claim 1 is characterized in that the step of finding out described strength member comprises:
In circuit theory diagrams, search the reference title of all parts;
In the reference title of described all parts, select wherein to have the reference title of first recognition feature; And
Described selecteed the record with reference to title put in the table at described part.
4. the method for putting according to part in the described circuit arrangement map of claim 3 is characterized in that described first recognition feature represents that this corresponding part is an integrated circuit.
5. the method for putting according to part in the described circuit arrangement map of claim 4 is characterized in that described first recognition feature is character " U ".
6. the method for putting according to part in the described circuit arrangement map of claim 3 is characterized in that the step of finding out described strength member comprises:
If in the reference title of all parts of described circuit theory diagrams, all do not have described first recognition feature, then select to have the reference title of second recognition feature; And
Selected reference title record with described second recognition feature is put in the table at described part.
7. the method for putting according to part in the described circuit arrangement map of claim 6 is characterized in that described second recognition feature represents that this corresponding part is a connector.
8. the method for putting according to part in the described circuit arrangement map of claim 1 is characterized in that the step that described phase pipe fitting record is put table at described part is comprised:
Select one of them pin of described strength member;
Follow the annexation in the described circuit theory diagrams, find out all pipe fittings mutually that are connected with described selecteed pin;
According to the distance relation of described phase pipe fitting and described selecteed pin, by little and determine the order of described phase pipe fitting greatly;
To put in the table at described part with the order record with the reference title of the pipe fitting mutually of described selecteed pin.
9. the method that part is put in the described according to Claim 8 circuit arrangement map is characterized in that and will put in the table at described part with the pin name record of the pipe fitting mutually of described selecteed pin.
10. the method for putting according to part in the described circuit arrangement map of claim 1 is characterized in that determining described strength member to comprise with the step of the relative position of described pipe fitting mutually:
Put the title that table is obtained the phase pipe fitting of described strength member from described part; And
According to the title of aforementioned obtained phase pipe fitting, with phase pipe fitting corresponding in the described circuit arrangement map move to described strength member near.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810175713A CN101727511A (en) | 2008-10-31 | 2008-10-31 | Method for placing part in circuit layout |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810175713A CN101727511A (en) | 2008-10-31 | 2008-10-31 | Method for placing part in circuit layout |
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| CN101727511A true CN101727511A (en) | 2010-06-09 |
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| CN200810175713A Pending CN101727511A (en) | 2008-10-31 | 2008-10-31 | Method for placing part in circuit layout |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636529A (en) * | 2013-11-14 | 2015-05-20 | 纬创资通股份有限公司 | Circuit design simulation system of printed circuit board and circuit design method thereof |
| CN109543327A (en) * | 2018-11-30 | 2019-03-29 | 郑州云海信息技术有限公司 | Placing part method and device in a kind of PCB design |
| WO2019242783A3 (en) * | 2018-06-22 | 2020-02-06 | 北京比特大陆科技有限公司 | Method and system for configuring chip connection means |
-
2008
- 2008-10-31 CN CN200810175713A patent/CN101727511A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636529A (en) * | 2013-11-14 | 2015-05-20 | 纬创资通股份有限公司 | Circuit design simulation system of printed circuit board and circuit design method thereof |
| WO2019242783A3 (en) * | 2018-06-22 | 2020-02-06 | 北京比特大陆科技有限公司 | Method and system for configuring chip connection means |
| CN109543327A (en) * | 2018-11-30 | 2019-03-29 | 郑州云海信息技术有限公司 | Placing part method and device in a kind of PCB design |
| CN109543327B (en) * | 2018-11-30 | 2022-03-25 | 郑州云海信息技术有限公司 | Method and device for placing parts in PCB design |
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