CN104376180A - Wiring channel assessment and port planning method and device - Google Patents
Wiring channel assessment and port planning method and device Download PDFInfo
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- CN104376180A CN104376180A CN201410686591.2A CN201410686591A CN104376180A CN 104376180 A CN104376180 A CN 104376180A CN 201410686591 A CN201410686591 A CN 201410686591A CN 104376180 A CN104376180 A CN 104376180A
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Abstract
The invention relates to a wiring channel assessment and port planning method and device. The method includes the steps of generating a wiring guide mark according to the wiring rule of a wire mesh to be assessed, a wiring metal layer and the wiring topology, and completing input and output port planning of related modules according to the generated wiring guide mark. The device comprises a wiring guide mark generation unit and a port planning unit. The wiring channel assessment and port planning method and device can achieve rapid wiring channel assessment and automatic port planning.
Description
Technical field
The present invention relates to integrated circuit wiring design technical field, particularly relate to the assessment of a kind of wiring channel and port planing method.
Background technology
The mode of the layout of large scale integrated circuit and wiring and design has substantial connection, and conventional design mainly contains the three class modes such as full custom formula, semidefinite standard and customized type.Full custom formula is as General Design Process, is designed length by length by designing requirement by deviser, is combined into various logic circuit.Semidefinite standard be had in advance several there is various function finished product or semi-manufacture as unit, the basis of existing unit is carried out the combination of circuit.Customization mode is that various basic logic unit is designed intact in advance, forms independently functional unit, is placed in storehouse and stores, and recalls functional unit and be combined into various circuit during design.
Along with the development of integrated circuit (IC) design, chip " gauze " number sharply increases, and chip wiring becomes increasingly complex.Complete on the basis of allocation plan at chip, assess wiring channel service condition fast and accurately and complete the port planning of bottom module, will react layout whether rationally and wiring whether feasible, be the important component part assessed of placement-and-routing in earlier stage.
Summary of the invention
Technical matters to be solved by this invention is to provide the assessment of a kind of wiring channel and port planing method and device, can realize the rapid evaluation of wiring channel and the automatic planning of port.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of wiring channel to assess and port planing method, comprise the following steps:
(1) generate wiring according to the wiring rule of gauze to be assessed, interconnection metal layer and Route topology and guide mark;
(2) the input/output port planning having identified correlation module is guided according to the wiring generated.
Described step (1) comprises following sub-step:
(11) calculating of wiring channel is completed according to interconnection metal layer, wiring rule;
(12) wiring that the result of calculation of wiring channel and Route topology structural information be combined with each other guides the drafting of mark.
Described step (2) comprises following sub-step: guide the position in the overall situation design identifying the information binding modules provided to complete the calculating of module port position according to wiring, again port is moved to the position calculated, and the metal level of port is adjusted to the metal level connecting up and guide and identify and specify, finally complete the input/output port planning of each module.
Described wiring guides mark to comprise the title of the gauze to be assessed of assessment, the metal level completing gauze to be assessed wiring use and the wiring channel position completed shared by gauze to be assessed wiring and width.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of wiring channel to assess and port device for planning, comprise: wiring guides identification generation unit, generate wiring for the wiring rule according to gauze to be assessed, interconnection metal layer and Route topology and guide mark; Port planning unit, for guiding the input/output port planning having identified correlation module according to the wiring generated.
Described wiring guides identification generation unit to comprise: wiring channel computation subunit, for completing the calculating of wiring channel according to interconnection metal layer, wiring rule; Wiring guides mark to draw subelement, guides the drafting of mark for the wiring that the result of calculation of wiring channel and Route topology structural information be combined with each other.
Described port planning unit comprises: port position computation subunit, and the position in designing for guiding the overall situation identifying the information binding modules provided according to wiring completes the calculating of module port position; Port position adjustment subelement, for moving to the position that described port position computation subunit calculates by port; Metal level adjustment subelement, the metal level guiding mark to specify for the metal level of port being adjusted to wiring completes the input/output port planning of each module.
Described wiring guides mark to comprise the title of the gauze to be assessed of assessment, the metal level completing gauze to be assessed wiring use and the wiring channel position completed shared by gauze to be assessed wiring and width.
Beneficial effect
Owing to have employed above-mentioned technical scheme, the present invention compared with prior art, there is following advantage and good effect: the information that the present invention can provide according to designer completes wiring channel assessment, and the port planning of bottom module is automatically completed according to wiring assessment situation, meet the demand of placement-and-routing's assessment.
Accompanying drawing explanation
Fig. 1 is flow diagram of the present invention;
Fig. 2 is the flow diagram of wiring channel assessment in the present invention;
Fig. 3 is the flow diagram of middle port of the present invention planning.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
First embodiment of the present invention relates to the assessment of a kind of wiring channel and port planing method, as shown in Figure 1, comprises the following steps:
(1) generate wiring according to the wiring rule of gauze to be assessed, interconnection metal layer and Route topology and guide mark, wherein, described wiring guides mark to comprise the title of the gauze to be assessed of assessment, the metal level completing gauze to be assessed wiring use and the wiring channel position completed shared by gauze to be assessed wiring and width; As shown in Figure 2, this step specifically comprises following sub-step:
(11) calculating of wiring channel is completed according to interconnection metal layer, wiring rule.The effective track ratio of wiring Pitch* of required wiring channel width=pds signal number * this layer of metal, wherein effectively between track ratio=power supply ground, effective track/ plans available track.The such as bus signals of a group 64, adopt metal 8 to connect up, wiring Pitch is 0.56um, and between power supply ground, effective track is 12, plans that available track is 7, then required wiring channel width=64*0.56*12/7=61.44um.；
(12) wiring that the result of calculation of wiring channel and Route topology structural information be combined with each other guides the drafting of mark, specifically, completed the calculating of required wiring channel width by wiring channel calculating device, then complete according to the starting point coordinate of the Route topology structure determination wiring channel of designer's input the drafting that wiring guides mark.The such as bus signals of a group 64, metal 8 and metal 7 double layer of metal is adopted to complete wiring, wherein metal 8 is horizontal direction, Pitch is 0.56um, metal 7 is vertical direction, Pitch is 0.56um, the effective track in power supply ground of double layer of metal is 12, plan that available track is 7 and 10, the wiring channel width that can calculate metal 8 is 61.44um, the wiring channel width of metal 7 is 43.008um, the Route topology structure coordinate then inputted is: (100, 200), (200, 200), (200, 400), guiding of then connecting up is designated: metal 8, starting point (100, 200), terminal (200, 200), width 61.44um, metal 7, starting point (200,200), terminal (200,400), width 43.008um.
(2) the input/output port planning having identified correlation module is guided according to the wiring generated; As shown in Figure 3, guide the position in the overall situation design identifying the information binding modules provided to complete the calculating of module port position according to wiring, again port is moved to the position calculated, and the metal level of port is adjusted to the metal level connecting up and guide and identify and specify, finally complete the input/output port planning of each module.
Wherein, the computing method of module port position are specific as follows: guide according to wiring and identify the calculating that the position of information binding modules in overall situation design provided completes module port position, the information that wiring guides mark to provide comprises the origin coordinates of port planning in the overall situation, and plan available track, wiring Pitch, such as the information of certain wiring guiding mark is: metal 8, starting point (100, 200), terminal (200, 200), width 61.44um, signal 64, wiring Pitch 0.56um, available track is track 3, 4, 6, 7, 9, 10, 12, totally 7 track, then the horizontal ordinate of first signal is 100, ordinate is 200-61.44/2+0.56*2=170.4, the horizontal ordinate of second signal is 100, ordinate is 200-61.44/2+0.56*3=170.96.The port position calculated above is the position of port in overall situation design, and port physical location in the module needs to convert according to the position of module in overall situation design.The position of such as module in overall situation design is: (50,100), then above-mentioned two ports physical location is in the module: (50,70.4) and (50,70.96)).
As can be seen here, the first embodiment of the present invention mainly comprise wiring guide mark generate and port plan two steps.After chip layout has planned, first wiring channel appraisal procedure is adopted, generate wiring and guide mark, wiring guides mark to comprise: " gauze " title, " gauze " completes the metal level connecting up and will use, the pitch that " gauze " wiring adopts and " gauze " complete the information such as the required wiring area of wiring, the port of information to " gauze " correlation module that following employing port planing method guides mark to provide according to wiring is planned, determine the position of port and the metal level of port, finally complete wiring channel assessment and the port planning of " gauze " to be assessed.
Second embodiment of the present invention relates to the assessment of a kind of wiring channel and port device for planning, comprising: wiring guides identification generation unit, generates wiring guide mark for the wiring rule according to gauze to be assessed, interconnection metal layer and Route topology; Port planning unit, for guiding the input/output port planning having identified correlation module according to the wiring generated.
Described wiring guides identification generation unit to comprise: wiring channel computation subunit, for completing the calculating of wiring channel according to interconnection metal layer, wiring rule; Wiring guides mark to draw subelement, guides the drafting of mark for the wiring that the result of calculation of wiring channel and Route topology structural information be combined with each other.
Wherein, described wiring guides mark to comprise the title of the gauze to be assessed of assessment, the metal level completing gauze to be assessed wiring use and the wiring channel position completed shared by gauze to be assessed wiring and width.
Described port planning unit comprises: port position computation subunit, and the position in designing for guiding the overall situation identifying the information binding modules provided according to wiring completes the calculating of module port position; Port position adjustment subelement, for moving to the position that described port position computation subunit calculates by port; Metal level adjustment subelement, the metal level guiding mark to specify for the metal level of port being adjusted to wiring completes the input/output port planning of each module.
Claims (8)
1. wiring channel assessment and a port planing method, is characterized in that, comprise the following steps:
(1) generate wiring according to the wiring rule of gauze to be assessed, interconnection metal layer and Route topology and guide mark;
(2) the input/output port planning having identified correlation module is guided according to the wiring generated.
2. wiring channel assessment according to claim 1 and port planing method, it is characterized in that, described step (1) comprises following sub-step:
(11) calculating of wiring channel is completed according to interconnection metal layer, wiring rule;
(12) wiring that the result of calculation of wiring channel and Route topology structural information be combined with each other guides the drafting of mark.
3. wiring channel assessment according to claim 1 and port planing method, it is characterized in that, described step (2) comprises following sub-step: guide the position in the overall situation design identifying the information binding modules provided to complete the calculating of module port position according to wiring, again port is moved to the position calculated, and the metal level of port is adjusted to the metal level connecting up and guide and identify and specify, finally complete the input/output port planning of each module.
4. wiring channel assessment according to claim 1 and port planing method, it is characterized in that, described wiring guides mark to comprise the title of the gauze to be assessed of assessment, the metal level completing gauze to be assessed wiring use and the wiring channel position completed shared by gauze to be assessed wiring and width.
5. wiring channel assessment and a port device for planning, is characterized in that, comprising: wiring guides identification generation unit, generates wiring guide mark for the wiring rule according to gauze to be assessed, interconnection metal layer and Route topology; Port planning unit, for guiding the input/output port planning having identified correlation module according to the wiring generated.
6. wiring channel according to claim 5 assessment and port device for planning, is characterized in that, described wiring guides identification generation unit to comprise: wiring channel computation subunit, for completing the calculating of wiring channel according to interconnection metal layer, the rule that connects up; Wiring guides mark to draw subelement, guides the drafting of mark for the wiring that the result of calculation of wiring channel and Route topology structural information be combined with each other.
7. wiring channel assessment according to claim 5 and port device for planning, it is characterized in that, described port planning unit comprises: port position computation subunit, and the position in designing for guiding the overall situation identifying the information binding modules provided according to wiring completes the calculating of module port position; Port position adjustment subelement, for moving to the position that described port position computation subunit calculates by port; Metal level adjustment subelement, the metal level guiding mark to specify for the metal level of port being adjusted to wiring completes the input/output port planning of each module.
8. wiring channel assessment according to claim 5 and port device for planning, it is characterized in that, described wiring guides mark to comprise the title of the gauze to be assessed of assessment, the metal level completing gauze to be assessed wiring use and the wiring channel position completed shared by gauze to be assessed wiring and width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686591.2A CN104376180B (en) | 2014-11-25 | 2014-11-25 | A kind of assessment of wiring channel and port method and device for planning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410686591.2A CN104376180B (en) | 2014-11-25 | 2014-11-25 | A kind of assessment of wiring channel and port method and device for planning |
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| CN104376180A true CN104376180A (en) | 2015-02-25 |
| CN104376180B CN104376180B (en) | 2018-10-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184980A (en) * | 1996-12-12 | 1998-06-17 | 日本电气株式会社 | Placement and routing method for semiconductor integrated circuit |
| CN101063985A (en) * | 2006-04-29 | 2007-10-31 | 英业达股份有限公司 | Wire laying data generating system and method |
| US20120193813A1 (en) * | 2011-02-02 | 2012-08-02 | Lapis Semiconductor Co., Ltd. | Wiring structure of semiconductor device and method of manufacturing the wiring structure |
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2014
- 2014-11-25 CN CN201410686591.2A patent/CN104376180B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184980A (en) * | 1996-12-12 | 1998-06-17 | 日本电气株式会社 | Placement and routing method for semiconductor integrated circuit |
| CN101063985A (en) * | 2006-04-29 | 2007-10-31 | 英业达股份有限公司 | Wire laying data generating system and method |
| US20120193813A1 (en) * | 2011-02-02 | 2012-08-02 | Lapis Semiconductor Co., Ltd. | Wiring structure of semiconductor device and method of manufacturing the wiring structure |
Non-Patent Citations (1)
| Title |
|---|
| 曹华锋: ""协处理器版图设计及验证"", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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| CN104376180B (en) | 2018-10-12 |
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