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ID:19392000
大小:264.00 KB
页数:7页
时间:2018-10-01
《orcad原理图中常见drc错误的取缔方法》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、用“取缔”一词,是源自《嘻哈四重奏》里面卢导的口头禅,哈哈借用一下!大多数DRCwarning甚至某些error可以忽略不计,不影响生成网表,但是要想成为一名成熟的电子工程师,你可以忽略某些错误,但是必须懂得为什么会产生这些错误,如何取缔掉这些错误,这样才能控制这些错误的作用范围,不致影响系统整体的设计。1、养成好习惯,先做Annotate,后做ERC检查,避免元器件重名;2、切记不要随意从其他page中拷贝元器件,这样容易在ERC检查时导致以下三个错误:例如从这个图(来源于另一个page)中拷贝C209这个电容到下面page中,ERC检查出现了以下三个错误:E
2、RROR:[DRC0010]DuplicatereferenceC209ERROR:[DRC0031]SamePinNumberconnectedtomorethanonenet.Ctrl_ultrasound_launch/C209/1Nets:'GND'and'5V_A4'.good,noloosening.6.5.2DCSsidewiringtocompletetheenclosureandtheothersideafterthewiringiscompleted,DCSwithintheenclosurewhenthepowermoduleshouldb
3、eloosenedorthepowergoesout.6.6lowvoltagecableterminalmaking6.6.1firstERROR:[DRC0031]SamePinNumberconnectedtomorethanonenet.Ctrl_ultrasound_launch/C209/2Nets:'9V_A1'and'GND'.解决方法:先做annotate,所有元器件重新编号,再做ERC检查,这样避免不同页面元器件重名而导致网络连接在一起,可以直接解决以上3个错误!WARNING:[DRC0003]Porthasatypewhichisinco
4、nsistentwithotherportsonthenetTMCL解决方法:NetTMCL两端的端口类型冲突,修改一下type就好了!ERROR:[DRC0004]PossiblepintypeconflictU5,VoutOutputConnectedtoPowergood,noloosening.6.5.2DCSsidewiringtocompletetheenclosureandtheothersideafterthewiringiscompleted,DCSwithintheenclosurewhenthepowermoduleshouldbeloos
5、enedorthepowergoesout.6.6lowvoltagecableterminalmaking6.6.1first解决方法:把芯片的pintype由output换成passiveWARNING:[DRC0004]PossiblepintypeconflictE2,1BidirectionalConnectedtoOutput:BENCH,C(0.40,10.10)解决方法:TheseerrorsareproducedbasedonthesettingsintheERCmatrix.Ifyou'vefinishedyourdesignandyouth
6、inkthattheconnectionsarecorrectafteryou'vecheckedalltheseerrors,youcanchangethesettingsintheERCmatrixtoremovethemfromtheDesignRulesCheck.TochangetheERCmatrix:1.SelecttheschematicpageintheProjectManager.2.ChooseDesignRulesCheckfromtheToolsmenu,thenselecttheERCmatrixtab.good,noloosenin
7、g.6.5.2DCSsidewiringtocompletetheenclosureandtheothersideafterthewiringiscompleted,DCSwithintheenclosurewhenthepowermoduleshouldbeloosenedorthepowergoesout.6.6lowvoltagecableterminalmaking6.6.1first3.Makechangestothematrix,thenclickOK.WhenyouclickOK,DesignRulesCheckwillrunwiththenews
8、ettings.简单来说
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