CN108846202A - A kind of method and device for checking simulation ground and being digitally electrically connected - Google Patents
A kind of method and device for checking simulation ground and being digitally electrically connected Download PDFInfo
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- CN108846202A CN108846202A CN201810606205.2A CN201810606205A CN108846202A CN 108846202 A CN108846202 A CN 108846202A CN 201810606205 A CN201810606205 A CN 201810606205A CN 108846202 A CN108846202 A CN 108846202A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/398—Design verification or optimisation, e.g. using design rule check [DRC], layout versus schematics [LVS] or finite element methods [FEM]
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- General Physics & Mathematics (AREA)
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of methods with checking simulation and being digitally electrically connected, and include the following steps：It obtains and the symbol of the simulation ground AGND whole pins connecting；Whether the component attribute for judging symbol is Zero-ohm resistor R or magnetic bead FB, judges whether another pin of the component is ground GND.Also disclose it is a kind of with checking simulation and the device that is digitally electrically connected.Can in the pcb for simulation ground and digitally between whether have electrical connection, and the mode of electrical connection is able to carry out automation inspection, misprint report, avoid relying on the case where human eye missing inspection is looked into, greatly accelerate to check speed simultaneously, it is convenient and efficient into, guarantee correctness, promote the working efficiency of electric checking.
Description
Technical field
The present invention relates to electric checking technical fields, especially a kind of to be based on Cadence Allegro software secondary development
The method and device that skill language inspection is simulated ground and is digitally electrically connected.
Background technique
It usually include digital circuit and analog circuit two parts in the route design process of schematic diagram.Analog circuit relates to
And small and weak signal, but digital circuit threshold level is higher, the requirement to power supply is just lower than analog circuit.Existing digital circuit
In the system for having analog circuit again, the noise that digital circuit generates will affect analog circuit, make the small signal index of analog circuit
It is deteriorated, the method overcome is to separate simulation ground AGND and digitally GND.Simulation and digitally separated method usually has 2
Kind: 1, it with magnetic bead is connected；2, it is connected with 0 Ohmic resistance.Both methods can be very good to solve digital circuit and analog circuit
Between interference problem.After principle diagram design is completed, to all simulations and digitally between whether have above-mentioned electronics
Component connection needs to carry out large-scale inspection one by one, since the single principle diagram design page number may be up to hundreds of pages, mould
Quasi-ly there is no regularity that can say with distribution digitally, simple leans on human eye inspection, not only time and effort consuming, but also it is easy to appear
The case where missing inspection is looked into, so some simulation ground and digitally between once do not connect, cannot be checked out and do time update, just
It will lead to the poor anti jamming capability of entire board.
Summary of the invention
The object of the present invention is to provide a kind of method and devices with checking simulation and being digitally electrically connected, and avoid relying on
The case where human eye missing inspection is looked into, while greatly accelerating to check speed, it is convenient and efficient into guarantee correctness promotes electric checking
Working efficiency.
To achieve the above object, the present invention adopts the following technical solutions：
First aspect present invention provide it is a kind of with checking simulation and the method that is digitally electrically connected, including following step
Suddenly：
Successively judge whether there are the zero ohms being connected simultaneously with ground GND in all components being connected with simulation ground AGND
Resistance R or magnetic bead FB.
With reference to first aspect, in a first possible implementation of that first aspect, the successively judgement and simulation ground
The Zero-ohm resistor R or magnetic bead FB for whether having in all components that AGND is connected while being connected with ground GND, it is specific to wrap
It includes：
It obtains and the symbol of the simulation ground AGND whole pins connecting；
Whether the component attribute for judging symbol is Zero-ohm resistor R or magnetic bead FB, judges the another of the component
Whether a pin is ground GND.
With reference to first aspect, in a second possible implementation of that first aspect, the acquisition connects with simulation ground AGND
The symbol of the whole pins connect, specifically includes：
The ID number of net of the name containing AGND in the database in PCB is obtained, it is actually corresponding complete to read each ID
Net title；
For each net, all pins being connected with this net in PCB are searched, it is corresponding then to obtain each pin
symbol。
With reference to first aspect, it in first aspect in the third possible implementation, names and contains in the acquisition PCB
The ID number of the net of AGND in the database reads each ID actually before corresponding complete net title step, further includes：
Establish the skill file of entitled gnd.il.
With reference to first aspect, in the 4th kind of possible implementation of first aspect, the component of the judgement symbol
Whether attribute is Zero-ohm resistor R or magnetic bead FB, judges whether another pin of the component is ground GND, is specifically included：
Whether the component attribute for judging symbol is Zero-ohm resistor R or magnetic bead FB, if it is, judgement should
Whether the net attribute of another pin of symbol is GND, if it is, judging there is Zero-ohm resistor between the AGND and GND
R or magnetic bead FB connection；If it is not, then judging that the AGND is not connected with GND.
Second aspect of the present invention provide it is a kind of with checking simulation and the device that is digitally electrically connected, characterized in that packet
It includes：
AGND connection pin symbol acquiring unit obtains and the symbol of the simulation ground AGND whole pins connecting；
Symbol determined property unit judges whether the component attribute of symbol is Zero-ohm resistor R or magnetic bead FB,
Whether another pin for judging the component is ground GND.
The inspection simulation ground of second aspect of the present invention and the device being digitally electrically connected can be realized first aspect
And the method in each implementation of first aspect, and obtain identical effect.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution has the following advantages that or beneficial effect：
The present invention imported into the initial stage that PCB is routed after principle diagram design is basically completed, and will be edited using skill
Simulation and digitally check file, imported into Cadence pcb editor software, realize simulation ground and digitally connect
The automation inspection connect, and generate examining report.By the Skill interface of Allegro software, addition checks that file arrives
Under the configuration file of Allegro software, in the pcb for simulation ground and digitally between whether have an electrical connection, and it is electrical
The mode of connection is able to carry out automation inspection, and misprint report avoids relying on the case where human eye missing inspection is looked into, while greatly
Accelerate to check speed, it is convenient and efficient into guarantee correctness promotes the working efficiency of electric checking.
Detailed description of the invention
Fig. 1 is one flow chart of steps of the embodiment of the present invention；
Fig. 2 is two flow chart of steps of the embodiment of the present invention；
Fig. 3 is three flow chart of steps of the embodiment of the present invention；
Fig. 4 is schematic structural diagram of the device of the invention.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
Skill is a kind of scripting language, is run on Cadence design tool.Skill language is to Cadence
Design tool carries out function supplement, realizes customizing functions, improves working efficiency.The present invention selects AXL-SKILL, it is suitable for
The environment of PCB EDITOR is the extension of skill language, it has access to that the database of PCB editor, display and user
interface.In the environment of PCB editor, loads and rolling inspection file, the automation of realization user's specific needs are examined
Look into function.
Embodiment one
As shown in Figure 1, a kind of method for checking simulation ground and being digitally electrically connected, includes the following steps：
S1, acquisition and the symbol for simulating whole pins that ground AGND is connect；
Whether S2, the component attribute for judging symbol are Zero-ohm resistor R or magnetic bead FB, judge the another of the component
Whether one pin is ground GND.
Embodiment two
As shown in Fig. 2, the method for checking simulation ground and being digitally electrically connected, includes the following steps：
S11, the ID number of net of the name containing AGND in the database in PCB is obtained, it is actually corresponding complete reads each ID
Whole net title；
S12, it is directed to each net, searches all pins being connected with this net in PCB, it is corresponding then obtains each pin
symbol。
Whether S13, the component attribute for judging symbol are Zero-ohm resistor R or magnetic bead FB, if it is, judgement should
Whether the net attribute of another pin of symbol is GND, if it is, judging there is Zero-ohm resistor between the AGND and GND
R or magnetic bead FB connection；If it is not, then judging that the AGND is not connected with GND.
Embodiment three
As shown in figure 3, the method for checking simulation ground and being digitally electrically connected, includes the following steps：
S21, the skill file for establishing entitled gnd.il；
S22, the database ID_list that all net entitled " * AGND " is chosen using skill order；
S23, ID [p] is chosen, reads the complete netname of its corresponding AGND；
S24, all pin_list [n] being connected with the net are searched；
S25, selection one pin_list [i], read its corresponding symbol, judge symbol component attribute whether
For Zero-ohm resistor R or magnetic bead FB；
Whether S26, the net attribute for reading another pin connection of the component are " GND "；If so, entering step
S27, if not, judging whether i is equal to n, if it is, S28 is entered step, if not, i=i+1, is transferred to step S25；
S27, symbol title printout " AGND " complete net title and be connected with GND；
S28, the complete net title of printout " AGND ", and generate warning report.
As shown in figure 4, a kind of device for checking simulation ground and being digitally electrically connected, characterized in that including：
AGND connection pin symbol acquiring unit 101 obtains and the symbol of the simulation ground AGND whole pins connecting；
Symbol determined property unit 102 judges whether the component attribute of symbol is Zero-ohm resistor R or magnetic bead
FB judges whether another pin of the component is ground GND.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (6)
1. a kind of method for checking simulation ground and being digitally electrically connected, characterized in that include the following steps：
Successively judge whether there is the Zero-ohm resistor being connected simultaneously with ground GND in all components being connected with simulation ground AGND
R or magnetic bead FB.
2. the method as described in claim 1 for checking simulation ground and being digitally electrically connected, characterized in that described successively to judge
Whether there are the Zero-ohm resistor R or magnetic bead FB being connected simultaneously with ground GND in all components being connected with simulation ground AGND,
It specifically includes：
It obtains and the symbol of the simulation ground AGND whole pins connecting；
Whether the component attribute for judging symbol is Zero-ohm resistor R or magnetic bead FB, another for judging the component draws
Whether foot is ground GND.
3. the method as claimed in claim 2 for checking simulation ground and being digitally electrically connected, characterized in that the acquisition and mould
The symbol of whole pins of quasi- ground AGND connection, specifically includes：
The ID number of net of the name containing AGND in the database in PCB is obtained, reads each ID actually corresponding complete net
Claim；
For each net, all pins being connected with this net in PCB are searched, the corresponding symbol of each pin is then obtained.
4. the method as claimed in claim 3 for checking simulation ground and being digitally electrically connected, characterized in that the acquisition PCB
Middle net of the name containing AGND ID number in the database reads each ID actually before corresponding complete net title step,
Further include：
Establish the skill file of entitled gnd.il.
5. the method as claimed in claim 2 for checking simulation ground and being digitally electrically connected, characterized in that
Whether the component attribute for judging symbol is Zero-ohm resistor R or magnetic bead FB, judges the another of the component
Whether a pin is ground GND, is specifically included：
Whether the component attribute for judging symbol is Zero-ohm resistor R or magnetic bead FB, if it is, judging the symbol's
Whether the net attribute of another pin is GND, if it is, judging there is Zero-ohm resistor R or magnetic between the AGND and GND
Pearl FB connection；If it is not, then judging that the AGND is not connected with GND.
6. a kind of device for checking simulation ground and being digitally electrically connected, characterized in that including：
AGND connection pin symbol acquiring unit obtains and the symbol of the simulation ground AGND whole pins connecting；
Symbol determined property unit judges whether the component attribute of symbol is Zero-ohm resistor R or magnetic bead FB, judgement
Whether another pin of the component is ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606205.2A CN108846202B (en) | 2018-06-13 | 2018-06-13 | Method and device for checking electrical connection between analog ground and digital ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606205.2A CN108846202B (en) | 2018-06-13 | 2018-06-13 | Method and device for checking electrical connection between analog ground and digital ground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108846202A true CN108846202A (en) | 2018-11-20 |
| CN108846202B CN108846202B (en) | 2022-02-18 |
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|---|---|---|---|
| CN201810606205.2A Active CN108846202B (en) | 2018-06-13 | 2018-06-13 | Method and device for checking electrical connection between analog ground and digital ground |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11935221B2 (en) | 2019-11-27 | 2024-03-19 | AT&S (Chongqing) Company Limited | User interface for judgment concerning quality classification of displayed arrays of component carriers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11935221B2 (en) | 2019-11-27 | 2024-03-19 | AT&S (Chongqing) Company Limited | User interface for judgment concerning quality classification of displayed arrays of component carriers |
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| Publication number | Publication date |
|---|---|
| CN108846202B (en) | 2022-02-18 |
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