Allegro高速PCB设计布线工具.doc

Allegro 高速PCB布线工具一、 Allegro PCB 设计布线工具专用应用领域特点介绍中文翻译二、 Allegro PCB 设计布线工具专用应用领域特点介绍（英文版）三、 Allegro PCB 设计教程精要附：Allegro PCB Design v16.2)软件下载地址：一、 Allegro PCB 设计布线工具专用应用领域特点介绍中文翻译语言：英语网址：/products/pcb/pcb_design/pages/default.aspx类别：PCB设计Cadence 是世界上最大的电子设计技术和配套服务的 EDA 供货商之一。Cadence Allegro 则是 Cadence 推出的先进 PCB 设计布线工具。 Allegro 提供了良好且交互的工作接口和强大完善的功能，和它前端产品 Capture 的结合，为当前高速、高密度、多层的复杂 PCB 设计布线提供了最完美解决方案。Allegro 拥有完善的 Constraint 设定，用户只须按要求设定好布线规则，在布线时不违反 DRC 就可以达到布线的设计要求，从而节约了烦琐的人工检查时间，提高了工作效率！更能够定义最小线宽或线长等参数以符合当今高速电路板布线的种种需求。 软件中的 Constraint Manger提供了简洁明了的接口方便使用者设定和查看 Constraint 宣告。它与Cadence OrCAD Capture 的结合让 E.E. 电子工程师在绘制线路图时就能设定好规则数据，并能一起带到Allegro工作环境中，自动在摆零件及布线时依照规则处理及检查，而这些规则数据的经验值均可重复使用在相同性质的电路板设计上。 Allegro 除了上述的功能外，其强大的自动推挤 push 和贴线 hug 走线以及完善的自动修线功能更是给用户提供极大的方便；强大的贴图功能，可以提供多用户同时处理一块复杂板子，从而大大地提高了工作效率。或是利用选购的切图功能将电路版切分成各个区块，让每个区块各有专职的人同时进行设计 ，达到同份图多人同时设计并能缩短时程的目的 。用户在布线时做过更名、联机互换以及修改逻辑后，可以非常方便地回编到 Capture 线路图中，线路图修改后也可以非常方便地更新到 Allegro 中；用户还可以在 Capture 与 Allegro 之间对对象的互相点选及修改。对于业界所重视的铜箔的绘制和修改功能， Allegro 提供了简单方便的内层分割功能，以及能够对正负片内层的检阅。对于铺铜也可分动态铜或是静态铜，以作为铺大地或是走大电流之不同应用。动态铜的参数可以分成对所有铜、单一铜或单一对象的不同程度设定，以达到铜箔对各接点可设不同接续效果或间距值等要求，来配合因设计特性而有的特殊设定。在输出的部分，底片输出功能包含 274D 、 274X 、 Barco DPF 、 MDA 以及直接输出 ODB+ 等多样化格式数据当然还支持生产所需的 Pick & Place 、NC Drill 和 Bare-Board Test 等等原始数据输出。 Allegro 所提供的强大输入输出功能更是方便与其它相关软件的沟通，例如 ADIVA 、 UGS(Fabmaster) 、 VALOR 、 Agilent ADS 或是机构的 DXF 、 IDF 。为了推广整个先进 EDA 市场 ,Allegro 提供了 OrCAD Layout 、 PADS 、 P-CAD 等接口，让想转换 PCB Layout 软件的使用者，对于旧有的图档能顺利转换至 Allegro 中。 Allegro 有着 操作方便，接口友好，功能强大，整合性好 等诸多优点，是一家公司投资 EDA 软件的理想选择！二、Allegro PCB 设计布线工具专用应用领域特点介绍（英文版）With its comprehensive feature set, Cadence Allegro PCB Design offers the leading physical and electrical constraint-driven PCB layout and interconnect routing system. The fully integrated design flow includes design creation, library creation, placement, interactive routing and editing, automatic routing, and interfaces for manufacturing and mechanical CAD. The user interface is intuitive, easy-to-use, and consistent throughout the design flow. Large, dense PCB designs with high-speed interfaces can utilize Global Routing Environment technology for intelligent interconnect planning and routing automation. Features/BenefitsProvides a scalable, full-featured PCB design solution Enables a constraint-driven design flow to reduce design iterations Provides a single, consistent, front-to-back constraint management environment Delivers an integrated RF/analog design and mixed-signal design environment Provides interactive floorplanning and component placement Provides design partitioning for large, dispersed development teams Enables real-time, interactive push/shove etch editing Allows real-time plowing/healing with dynamic shape technology Manages net scheduling, timing, crosstalk, layer set routing, and geometric constraints Provides proven PCB Router technology for auto-routing of random signals Captures design intent for interconnects through hierarchical flow planning Shortens interconnect planning and routing time for dense designs with high-speed interfaces Outputs design data in a variety of manufacturing formatsNFO:代码Cadence.Allegro.PCB.Design.v16.2 1001010010100010010010101001000100100100110101 0100010101001000101010011101001010011010101100 1110101010100010001010101010100010001110101011 Allegro PCB Design quickly takes simple or complex designs from concept toproduction in a constraint-driven design system. Its scalable platform allowsdesigners to cost-effectively match the needs of small to large projects.With its comprehensive feature set, Cadence Allegro PCB Design offers theleading physical and electrical constraint-driven PCB layout and interconnectrouting system. The fully integrated design flow includes design creation,library creation, placement, interactive routing and editing, automaticrouting, and interfaces for manufacturing and mechanical CAD. The userinterface is intuitive, easy-to-use, and consistent throughout the designflow. Large, dense PCB designs with high-speed interfaces can utilize GlobalRouting Environment technology for intelligent interconnect planning androuting automation.Features/Benefits :- Provides a scalable, full-featured PCB design solution- Enables a constraint-driven design flow to reduce design iterations- Provides a single, consistent, front-to-back constraint management environment- Delivers an integrated RF/analog design and mixed-signal design environment- Provides interactive floorplanning and component placement- Provides design partitioning for large, dispersed development teams- Enables real-time, interactive push/shove etch editing- Allows real-time plowing/healing with dynamic shape technology- Manages net scheduling, timing, crosstalk, layer set routing, and geometric constraints- Provides proven PCB Router technology for auto-routing of random signals- Captures design intent for interconnects through hierarchical flow planning- Shortens interconnect planning and routing time for dense designs with high-speed interfaces- Outputs design data in a variety of manufacturing formats/products/pcb/pcb_design/pages/default.aspx 101001010001001010010100 010010101001001010101001 111001001001010101010101 1.) unpack the files2.) burn or mount the image3.) install4.) Check SHooters Dir Readme.txt If you cant get it - you are not worth it.# ENJOY ANOTHER FiNE RELEASE BROUGHT TO YOU BY TEAM SHooTERS #1. You work at any reseller, distributor or software company and have accessto new unreleased software2. You are a talented cracker and able to handle: Dongle, FlexLM, Armadillo,Asprotect, HASP oR Wibu3. You are a keygenner and able to handle MD5, RSA, TEA or VB4. You have a good at Secure Shell/BNC or was Siteop from a good .EU Siteno .de or .usto contact write too SHOOTERSHUSH.COMGreetings to : Oddity,Paradox,ENiGMA,ViRiLiTY,nGEN and NUll !PCB设计 Allegro学习教程 三、Allegro PCB 设计教程精要第一节Allegro元件封装组成在我们进行一个电子产品设计时,先要绘制好电路原理图.Allegro系统有两种绘制原理图的方法可供选择,他们是Concept和Capture.选择Orcadcapture绘制电路原理图可以说是更普遍的选择,本文讲述的也是从Capture到Allegro.至于OrcadCapture软件的使用请参考有关书籍,本书就不再介绍.用OrcadCapture绘制好电路原理图以后,下一个PCB设计流程为建立元件封装.在Allegro中,元件的封装包括Padstack,Symbol和Device三部分.如图4-1-1所示图形为SOP14型封装的PackageSymbol图.图4-1-1SOP14封装图Padstack-元件封装焊盘,*.PAD图形文件,有插针式焊盘和贴片式焊盘两种.如图3-5-1所示的SOP14封装有十四个圆角矩形贴片焊盘.Symbol-可编辑的元件封装外形,没任何电气特性.Symbol中包含Padstack和元件封装外框等图形符号.如图3-5-1所示即为SOP14的Symbol.Device-元件封装的电气特性描述文本文件,此文件包含元件封装的Symbol信息及脚位定义等.如元件在布线时会做门电路或脚位互换的动作则必须在Device文件中定义.例如SN74LS00的封装为SOP14,其Device文件SOP14.TXT描述如下:(DEVICEFILE:SOP14)PACKAGESOP14CLASSICPINCOUNT14PINORDERSOP14ABYPINUSESOP14ININOUTPINSWAPSOP14ABFUNCTIONG1SOP14123FUNCTIONG2SOP14456FUNCTIONG3SOP149108FUNCTIONG4SOP14121311GROUNDGND;7POWERVCC;14END所有元件的Padstack组成一子目录,所有元件的Symbol组成一子目录,所有元件的Device组成一子目录.此三个子目录就构成了元件封装中央零件库.第二节焊盘设计器介绍一、启动焊盘设计器执行开始/程序/Cadencepsd14.2/AllegroUtilities/PadstackEditor,启动焊盘设计器,如图4-2-1所示.图4-2-1焊盘设计器二、焊盘设计器菜单1、File栏(1)、New:新建焊盘。(2)、Open:打开焊盘。(3)、Save:以当前文件名保存当前设计。(4)、SaveAs:将当前设计以另一文件名保存。(5)、Check:检查当前设计中的错误。(6)、Properties(7)、scripting(8)、Exit2、Reports栏(1)、PadstackSummary三、焊盘设计器界面(1).Parameters介绍.如图4-2-2所示.图4-2-2PadstackParameters图Type栏:在此栏定义设计焊盘的类型Through-选择此项表示要设计一个插针式焊盘.lBlind/Buried-选择此项表示要设计一个盲/埋孔.lSingle-选择此项表示要设计一个贴片式焊盘.Internallayers栏:控制单一的没与任何其它网络连接的焊盘在出内层Gerber时的输出方式.lFixed-锁定焊盘,在输出内层Gerber时不能设置单一焊盘的输出方式,会按照本来面貌输出.lOptional-选择此项,可以允许在输出内层Gerber时通过设置ArtworkControlForm中FilmControl栏的SuppressUnconnectedpads来控制单一焊盘的输出方式.l如你现在对Internallayers栏