布线之前需要对规则进行相应的设置: 铜皮规则:设计->规则->Electrial 右击新规则->Where The First Object Matchs 下选择Custom Query(表示铜皮)->查询构建器->条件类型/操作符 下选择In Any Prolygon(铜皮)->ok->Where The Second Object Matchs (适配选项)下填All->Different Net Only下填10mil->Name改一下名字poly(表示铜皮); 铜皮到过孔规则:设计->规则->Electrial 右击新规则->Where The First Object Matchs 下选择Custom Query(表示铜皮)->查询构建器->条件类型/操作符 下选择ISVIA(表示过孔)->ok->Where The Second Object Matchs (适配选项)下选择Custom Query(表示铜皮)->查询构建器->条件类型/操作符 下选择In Polygon(表示铜皮)->Different Net Only下填6mil->Name改一下名字via-poly(表示过孔到铜皮的距离); 所有电气距离规则:设计->规则->all->Different Net Only下填6mil;点击下面的优先级设置->设置好后->ok; 线宽规则(类似):6mil;电源线宽:Routing ->with->Where The First Object Matchs下选择Net Class PWR->Min With 8mil ,Max With 60mil,Preferred With 15mil-Apply; 过孔规则:Routing ->Rounting Via Style->Min/Max preferred(过孔直径)下设置Min With 24mil ,Max With24mil,Preferred With 24mil;Via Hole Size(过孔孔径的大小)下设置Min With 12mil ,Max With12mil,Preferred With 12mil-Apply 阻焊规则(紫色的,主要是防止绿油覆盖):Mask->Solder Mask Expansion->SolderMaskExpansion->Expansion top(顶层外扩):2.5mil->应用 铜皮规则:Plane->Power…(是负片,二层版不需要设置)->Polygon Connect Style->(默认是焊盘:两个All)空气间隙:10mil->应用;过孔:Plane->Power…(是负片,二层版不需要设置)->Polygon Connect Style->Where The First Object Matchs 下选择Custom Query(表示铜皮)->查询构建器->条件类型/操作符 下选择ISVIA(表示过孔)->ok->Where The Second Object Matchs (适配选项)下选择All->Connect Style(连接方式)选择Direct Connect->应用. 丝印规则:Manufacturing->Slik To Slink Clearance(丝印到丝印)->Slink To Silk Clearance->Silk Text to Any Silk Object Clearance(丝印层文字到其他丝印对象间距):2mil->应用;:Manufacturing->Slik To Solder Mask Clearance(丝印到阻焊)->SilkTo Solder Mask Clearance:2mil->应用;
设置差分线:设计(D)->类(C)->Differential Pair Classes->All Differential Pair ->右击,添加类(USB是90Ω,HDMI是100Ω,大部分是100Ω差分阻抗)->点击右下角panels->PCB->点一行选择差分->点击添加->输入引脚标号(正Positive Net 和负Negative Net)和名字(模块名)->会高亮(若不高亮,则选择Mask模式-将Normal改为Mask);或者点击从网络创建(Creat From Netd)->区分:+或者:- 从类中创建差分对:选择差分的类->执行。阻抗计算:自己去查。然后设置差分规则:设计->规则->Routing,Differential Pairs Routinr,DifferrntialRouting->Where The Object Matches下选择Diff Pair Class 和90OM(自己创建的类)->最小宽度:6mil;最小间隙:7mil;优选宽度:6mil;优选间隙:7mil;最大宽度:6mil;最大间隙:7mil;或者在点击右下角panels->PCB->规则向导->…;然后走差分线:点击走差分的命令。