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LayoutPlus培訓(xùn)教材

培訓(xùn)教材

Netl

ist---

1

1

LinkFootprinttoComponent囚

:AutoECOcannotfindthefootprintCK05forcomponentC2.

Pleasechooseoneoftheootionsbelow:

ary中

ocor

著,4

放置,

板框定義完成后,激活A(yù)uto>Place〉Board命令,程序即迅速布置零件。

(三)、自動(dòng)布線

零件布置完成后,只要激活A(yù)uto>Autoroute>Board命令,即可進(jìn)行自

動(dòng)布線。

(四)、輸出

LayoutPlus的打印可分為校對(duì)用的打印印及精細(xì)的輸出,校對(duì)用的打

印是將各板層重疊在一起打印輸出,當(dāng)我們要進(jìn)行疊印時(shí),則File〉Print/Pl

ot激活命令,然后在趕忙顯現(xiàn)的對(duì)話盒中,選擇打印選項(xiàng),再按ok鈕即可

打印。

如果要進(jìn)行精細(xì)的打印或分板層輸出的話,則激活Options〉PostProc

ess命令,然后在趕忙顯現(xiàn)的表格中,選擇所要打印的板層,再點(diǎn)擊鼠標(biāo)右

鍵,在彈出菜單選取其中的PPlottoPrintManager命令,即可打印您選中

的板層。

在那個(gè)單

LibraryManager:開(kāi)啟Layout零件編輯窗口

OreadCapture:開(kāi)啟OrCAD原理圖

OrCADLayout

FileViewToolsHelp

New

Open...

Import

Export

1E:\0rCAD\...\DEM0C\Democ3

2Demoa3

3E:\0rCAD\...\DEM0B\Demob3

4F:\MyDocuments'...\p317\p317

5F:\MyDocuments'...\p40\p40

6F:\MyDocuments'...\p40\try

7F:\MyDocuments'...\p297\bll

8G:\test\orcad專換

Exit

MINInterchange

MAXASCIINetlist

(二)PCB參數(shù)設(shè)置

PCBIINetlist

拆除布線FuturenetNetlist

設(shè)置板層,要求沒(méi)有布線。PCB386+PCB

PCBPCBCadStarPCB

激活A(yù)uto>Unroute命令,即可拉出拆2PADSPCB

PCADPCB

ProtelPCB

TangoPCB

PCBoardsPCB

DXFtoLayout

Board

DRC/RouteBox

LayerLayerLayerLayer

NameHotkeyNickNameType

TOP1TOPRouting

EditLayerBOTRouting

GNDPlane

Layer,rTOP,

PWRPlane

IN1Routing

Nickname'TOP'

IN2Routing

Libraryname'TOP'IN3Unused

IN4Unused

IN5Unusedol

LayerType

IN6Unused

6^RoutingLayerICPlaneLayer

CUnusedRouting「DocumentationI對(duì)

CDrillLayerCJumperLayer

JumperAttributes...,雙擊每一層的LayerType,

調(diào)出3|QK|Help|Cancel

RoutingLayer:該板層為布線板層

PlaneLayer:該板層為電源板層

UnusedRouting:不使用該板層

■Nets

NetWidthRoutingReconn

NameColorMinConMaxEnabledShareWeightRule

I012YesYes50Std

N0004112YesYes50Std

N0006712YesYes50Std

N0007012YesYes50Std

、N0012412YesYes50Std

1

N0014812YesYes50Std

N0015412YesYes50Std

N0018212YesYes50Std

OUT12YesYes50Std

選擇VCARRIER12YesYes50Std

VCC_BAR12YesYes50Std

VMODULATED12YesYes50Std

VSIGNAL12YesYes50Std

MinWidth12.ConnWidthMaxWidthh2.

NetLayers...NetReconn...

WidthByLayer...NetSpacing...彈出

的對(duì)I|0K|fjelp|Cancel

NetAttributes:附加的網(wǎng)絡(luò)屬性

MinWidth:最小的線寬

ConnWidth:布線的線寬

員層上的寬度

None:

Prohibitstherouterfromreconnectinganypoint-to-pointconnections

fortheselectednet.Thisoptionisusedforcriticalnetsthatmustbecon

nectedinacertainpredeterminedorder.Thisdisablesreconnectioninboth

theautorouterandintheoptionEdit/ReconnectNets.Inaddition,netsar

eroutedintheorderoftheirappearanceinthenetlist.

Vertical:

Causestheroutertoseekprimarilyverticalpathsforeachconnection

withinanet.UsedforVCCandground.

Horizontal:

Causestheroutertoseekprimarilyhorizontalpathsforeachconnecti

onwithinanet.ThisisgenerallyusedforVCCandground.

Std.Orthog:

TheStandardOrthogonaloptionorderstheroutertoseektheeasiest

pathbetweenanytwopointswithinanet(usuallytheshortestdistance,b

utwithapredispositionforhorizontalorverticalrouteswhereavailable).

Thisisthedefault,andshouldbeusedforallroutingofstandarddigital

signals.

Highspeed:

Prohibits"T"connections,andcausestheroutertodaisy-chaintheco

nnectionsinthenetfromtheSourcetotheload,andthentotheTermin

atorratherthancreatingtrackstofindtheshortestroute.Thisismostoft

enusedwithhighspeedpartssuchasECLtechnology.Itisoftenenable

dinconjunctionwithdisablingshareoncriticalnets.

NoDyn.Reconn:

Bydefault,Layoutusesdynamicreconnect,whichisamethodofcal

culatingwheretheclosestpinbelongingtothesamenetyou'reroutingi

s,thenredrawingtheratsnestlinetoconnecttotheclosestpin.TheNo

Dyn.Rpconnontionchq分hleqdvn^mirreconnertwiththeresultvnn

M|RouteSpacing

don'

LayerTracktoTracktoTracktoViatoViatoPadto

causeNameTrackViaPadViaPadPad

largeTOP121212121212

BOTTOM121212121212

NoneGND121212121212

POWER121212121212

INNER1121212121212

INNER2121212121212

rINNER3121212121212

INNER4121212121212

INNER5121212121212

、INNER6121212121212

INNER7121212121212

INNER8121212121212

INNER9121212121212

INNER10121212121212

INNER11121212121212

uteSINNER12121212121212

DRILL121212121212

(三)、Layout環(huán)境設(shè)置

系統(tǒng)環(huán)境設(shè)定

激活Options>SystemSettings---,調(diào)出如下對(duì)話框:

WorkspaceSettings...

EnableFullScreenCursor:鼠標(biāo)以大十字架顯示

EnableAutoPan:自動(dòng)移動(dòng)屏幕

UseOpaqueGraphics:顯示時(shí),工作板層是否覆蓋所有板層

UseHollowPads:焊盤(pán)是否以空心的形式顯示

Show3DEffects:顯示3D三維成效

ActivateOnlineDRC(按鈕整I):激活線上DRC檢測(cè)

InstantaneousReconnectionMode(按鈕回):隱藏鼠線

AllowEditingofFootprints:承諾在PCB板上編輯Footprint

EnableCopperPour:是否顯示鋪銅

UseFastfillMode:使用快速顯示鋪銅

UsePoursforConnectivity:以鋪銅代替走線

ShowTooltips:當(dāng)鼠標(biāo)移動(dòng)到按鈕上時(shí),是否顯示按鈕的提示信息

ActivateAutoToolSelectMode:是否開(kāi)啟自動(dòng)切換工具的功能

MinimumTrackWidthtoDisplay:指定所要顯示的最小線寬

系統(tǒng)顏色設(shè)定

DataColor

DefaultSSTOP

DefaultSSBOT

DefaultASYTOP

DefaultASYBOT

DefaultDRLDWG

DefaultDRILL

Via(Anylayer)

Placeoutline[GlobalLayer)

PlaceoutlineTOPq擊OK即可。

Olacaniillinn口C11Clui

BackupSettings

Backuptime(inminutes)

Numberofbackupstokeep」新的顏色,按OK退

出艮廠Backupaftereachsweep

Directoryforbackups「

EditPlacePass兇

_17^Enabled

Operations自動(dòng)備份的時(shí)刻間隔

CAssignClusters「PlaceClusters

6ProximityPlaceCSwapComps自動(dòng)備份的檔數(shù)Options

CAdjustCompsCSwapPinsFR

執(zhí)行一次布線程序后就自動(dòng)儲(chǔ)存一次

IOptions自動(dòng)備份文件的路徑£FR

£市

要設(shè)“"FastReconnect「SwapGates70£

70£FR

70£

按圜,L

70£

70£

70£

701

如下所示對(duì)話框:

IQKIHelpCancel

Enable:指定該零件布置程序的執(zhí)行狀況。

Operations:指定零件放置的操作

AssignClusters:設(shè)定按零件叢集擺放

ProximityPlace:設(shè)定采近接擺置的理論,使零件擺置最佳化

AdjustComps:設(shè)定在零件擺置完成后,再調(diào)整零件位置,盡可能地

使其整齊

PlaceClusters:設(shè)定排列叢集的位置

SwapComps:設(shè)定零件互換

SwapPins:設(shè)定接腳互換

Iterations:設(shè)置布置零件重復(fù)使用的方法數(shù)

Attempts:每種方法進(jìn)行零件擺置測(cè)試的次數(shù)

C,lllQtArQ?35*署M堂痂I-眼

;件策略

,設(shè)置零件布局參數(shù),屏幕顯現(xiàn)如

AllowOutlinestoOverlap:設(shè)定陳設(shè)式擺件時(shí),零件能夠重疊

AutoSwapComponents:設(shè)定擺件時(shí),零件可自動(dòng)互換

FastReconnectMode:設(shè)定采納快速模式

Iterations:設(shè)定執(zhí)行QuickPlace命令時(shí),重復(fù)使用多種方法

Attempts:設(shè)定每種方法重復(fù)的次數(shù)

(五)、LayoutPlus的布線參數(shù)設(shè)置

1ManualRoute...-RouteStrategy…命令,即可拉出如下圖所示之次菜

單:RouteLayers...

RouteSweeps...

RoutePasses...

(1)選取ManualRoute…命令,進(jìn)行與手工布線有關(guān)的設(shè)定,屏幕顯

現(xiàn)如下圖所示之對(duì)話盒:

Attempts:ill2J|-T

OK1Helo1Cancel1

RouteLayer

Sweep/LayerName|Enabled|CostDirectionBetween

Win/Comp/Manual||

I

TC01!50

VW180Horz.30

EditLayerstrategy

2SJ5020Vert.30

J

Sweep'Win/Comp/Manual''for"TOP,5020Vert.30

/5080Horz.30

P[RoutingEnabled

5080Horz.0

LayerCost:jJ_|?I50

5020Vert.0

LowNormalHigh

5020Vert.0

5080Horz.0

之表才PrimaryDirection:_|80

VertAnyHorz

5080Horz.30

5020Vert.30

BetweenPins:jJ_|?I30二J

FreeAvoid

OK|Help|Cancel"調(diào)出如下對(duì)話框:

SweepEdit

I

IDiagonalRouting

rOffCOn廿Maxinnize

I■_|口”||

IRouteBoxrlap

GUp,LeftCUp,Bight%YDir45s

X:|250,26|1MAX|

「Down,Left「Down,Riqht1NXT|

26U,LMAX

CRightUpCRightDown|200

Y:26U,LMAX

所示二CLeftUpCLeftDown26NXTMAX

CRouteNextConnection26NXTMAX

uvenap%

26NXTMAX

26U,LMAX

X:-6

Y:(2G-

/■

|.K|Help|Cancel

RouteBox:指定布線區(qū)塊的大小

Overlap:設(shè)置布線區(qū)塊的重疊部分的百分比

SweepDirection:指定布線掃掠的方向

EditRoutePass囚

Win/Comp/ManuaLPass1

PEnabled:廠Done

Type

I(?HeuristicsCFanout宮式布線后,緊接著進(jìn)行Next

掃掠cCMazeCViaReduce,布線成功率仍低于95%的話,

CAutoDFMCAutoCDE

表不2,—xi

IOptions

ViaRetryRoute

「Partial「Fast

eCostCostLimit

ViaCost:I2J|0000

703080

之表7ReitryCost:_1J_|_>J406080

I0

RouteLimit:<II?I|000▼I

_____I

Attempts:_|上||2

如下對(duì)話框:

OKI||Help|||Cancel

Type:

Heuristics:設(shè)定采納啟發(fā)式布策略

Maze:設(shè)定采納迷宮式布線策略

AutoDFM:清除電路板里余外的線段

Fanout:設(shè)定采納表面貼組件的延伸布線策略

ViaReduce:設(shè)定采納導(dǎo)孔精減布線策略

AutoCDE:清除因零件搬移所造成的小線段

Options:

Partial:進(jìn)行區(qū)塊布線時(shí),以走線不超過(guò)布線區(qū)塊的部分布線

Fast:將采快速布線模式,使用FAST_H.SF或FAST_VSF布線策略檔

ViaCost:改變導(dǎo)孔的成本

RetryCost:改變重新走線的成本

RouteLimit:改變布線的限制

Attempt:改變每種方法要嘗試的次數(shù)

2、布線參數(shù)設(shè)定

135Corners

CPads/ViasOnly

C90Corners

<?Always

CCurveCorners

1

IOK|HelpCancel

RouteMode:設(shè)定手工布線的模式

可=Add/EditRouteMode:手工添加/編輯走線

旬=EditSegmentMode:手工添加/編輯線段

利=ShoveTrackMode:推擠走線

回=AutoPathRouteMode:自動(dòng)路徑手工走線

的提示

I1定自動(dòng)布線的參數(shù)

徑手工走線下,是否不按布線網(wǎng)格

布線

芝線下,是否能推擠器件

,工走線下,是否能夠走45度角

動(dòng)路徑手工走線下,是否能夠自動(dòng)

選取」

亍的參數(shù)

點(diǎn)走線

布線的通常要求。激活Options>Fa

nout

Power/Ground

FanoutPower/GndIfselected,Layoutimplementsfanoutforpowera

ndgroundSMDpads.Powerandgroundpadsareidentifiedbytheirbein

genabledonanappropriateplanelayerinthenetspreadsheet.

LockafterfanoutIfselected,fanoutroutesandviasforpowera

ndgroundnetsarelockedafterfanoutiscomplete.Thispreventstheaut

orouterfrommovingthefanoutviasfartherawayfromtheirrespectivepa

ds.

Disableafterfanoutlfselected,powerandgroundnetsaredisabledaf

terfanoutiscomplete.Thisisespeciallyadvantageousifyouplantoperf

ormabatchrouteafterfanoutiscomplete.

IfPower\GroundFanoutfailstocompleteallpins,thenetswillnot

bedisabled,andLayoutwilldisplayanotification.

SharecloseviasIfselected,routesthatbelongtoasinglepower

orgroundnetcanshareasinglevia.Notethatviasharingcanresultin

longfanoutroutesorlargecurrents.

UsefreeviasIfselected,freeviascanbeusedforoptimalimplem

entationofpowerandgroundfanout.

Signals

FanoutSignalsIfselected,Layoutimplementsfanoutforsignalscon

nectedtoSMDpads.Asignalconnectionisanynetthatisnotenabled

onaplanelayer.

LockafterfanoutIfselected,signalroutesandviasarelockedafter

fanoutiscomplete.Ingeneral,itisbesttoleavesignalroutesunlocked,

sotheautoroutercanmovethemasnecessarytocompleteroutingtheb

oard.

SharecloseviasIfselected,routesthatbelongtoasinglenetcan

shareavia.Viasharingforsignalsreducesthenumberofviasfor(and,

therefore,thecongestionof)theboard.

UsefreeviasIfselected,freeviascanbeusedfortheoptimalfan

outofsignalsconnectedtoSMDpads.

ICFanoutDirection

InsideFanoutviasareallowedinside(orunder)theSMD.

OutsideFanoutviasareallowedoutsidetheSMD.

MaximumFanoutDistance

Thevalueyousetforthisoptiondeterminesthemaximumdistancef

romtheSMDpadatwhichLayoutwillplacethefanoutvia.Thisdistan

ceistheEuclideandistance(measuredfromthecenteroftheSMDpad),

notthecumulativedistanceoftheroutesegments.Layoutwillonlyplac

eviasongridpoints,sotheactualdistancefrompadtofanoutviamay

beslightlylongerthanthespecifieddistance,sincedistancesarerounded

up.Bydefault,thevalueforthisoptionis300(mils).

Defaultvia

Ifyouhaveassignedaviatoaspecificnet,usingtheViapernetc

ommandfandifvoudon'thavetheOverrideviapernetcheckboxselec

-T-h--e-r-a-a-l--R--e-l-i-e-f--S-e-t-t-i-n-g--s---------3

ted),out.Ifyouhavenotassigneda

viau;SmallThermalRelief□utusesthevianamedinthisli

stbo:Annularoverdrill:

IsolationWidth:

SpokeWidth:

mmarLargeThermalRelief

Annularoverdrill:

IsolationWidth:

SpokeWidth:

ermal

elief

|鄴|Help|Cancel|

MinimumYPitch

ViatoEdgeSpace

SpacingTolerance

「LockFreeVias

框差不多上由ObstacleName1025

障礙物的不同ObstacleType___________

IFreetrack|

屬性組成,新建

Width--------------

一個(gè)障礙物,可

選中叵按鈕,點(diǎn)Obstad-Uyer

|BOTTOM

擊右鍵選擇NE

CopperPourRules

W,然后再點(diǎn)擊

ClearanceIZorderj

右鍵,選擇Prop

Note:UsePinToolcommand"ToggleCopperPourSeed,

erties…,即可調(diào)tosetcopperpourseedpoints

出如下對(duì)話框:「IsolatealltracksFSeedonlyfromdesignatedobject

NetAttachmentf1-"fornone]:,一

VDoNotFillBeyondObstacleEdge

HatchEattern..|CompAttachment..

|0K|HelpICancel

Obstacletype:障礙物類型

Anti-copperarea:反鋪銅

BoardOutline:邊框

Compgroupkeepin:Group組器件的放置范疇(在邊框內(nèi))

Compgroupkeepout:Group組器件的放置范疇(在邊框外)

Compheightkeepin:用高度限制器件的放置范疇(在邊框內(nèi))

Compheightkeepout:用高度限制器件的放置范疇(在邊框外)

Copperarea:自由鋪銅

Copperpour:鋪銅

Detail:標(biāo)注線

FreeTrack:自由走線

Insertionoutline:指定器件的擺放邊框

Placeoutline:線內(nèi)不準(zhǔn)放置器件

Routekeepout:區(qū)域內(nèi)不準(zhǔn)布線

Route-viakeepout:區(qū)域內(nèi)的走線不準(zhǔn)放置過(guò)孔

Viakeepout:區(qū)域內(nèi)不準(zhǔn)放置過(guò)孔

Group:Compgroupkeepin(keepout)限制的Group組號(hào)

Height:Compheightkeepin(keepout)限制的器件高度

Width:設(shè)定障礙物的線寬

ObstacleLayer:障礙物的所在板層

Clearance:鋪銅與其它部件的安全間距

Zorder:設(shè)置鋪銅的權(quán)重

IsolateAllTracks:走線穿過(guò)鋪銅時(shí)保持絕緣

Seedonlyfromdesignatedobject:設(shè)定鋪銅不能由走線或焊盤(pán)查找

NetAttachment:障礙物連接的網(wǎng)絡(luò)

DonotfillBeyondObstacleEdge:設(shè)定不要填滿障礙物的邊線

(二)、設(shè)預(yù)拉線

在LayoutPlus里,所有走線都有其網(wǎng)絡(luò),沒(méi)有網(wǎng)絡(luò)就不能做電氣上的

連接!當(dāng)我們要鋪設(shè)預(yù)拉線時(shí),則先按區(qū)鈕,進(jìn)入預(yù)拉線操作狀態(tài)。鋪設(shè)

預(yù)拉線比一樣走線還簡(jiǎn)單,只要指向起點(diǎn)按鼠標(biāo)左鍵或空格鍵,指定網(wǎng)絡(luò)

名稱即可完成一條預(yù)拉線。

,一、

FindCoordinateorReferenceDesignator兇

》式激活找尋對(duì)話盒:

Examples:

U1.1or1200,4300

2HemName:

然|Help

IDesignRules兇

CheckRuleSettings

然后在趕忙開(kāi)啟找尋對(duì)話匠PlacementSpacingViolations

盒中的ItemName字段元,指定PRouteSpacingViolations

BNetRuleViolations

所要找尋的零件序號(hào)或坐標(biāo),點(diǎn)2CopperContinuityViolations

2ViaLocationViolations

擊0K鈕,光標(biāo)趕忙移至該處。

PPadExitViolations

歹SMDFanoutViolations

|7TestPointViolations

(四)、快速查詢口CheckCopperPour

當(dāng)我們要快速查詢電路板

中某零件的數(shù)據(jù)時(shí),則先按QlSelectAllClearAll|

gCheckDetailObstacles

廠ReportDRC/RouteBoxViolationsOnly

鄴HelpCancel

鈕,窗口左上方顯現(xiàn)一個(gè)空白的小窗口,而光標(biāo)也變成一個(gè)Q字,這時(shí)候,

再指向所要查詢的零件上,按鼠標(biāo)左鍵或空格鍵,則該零件的詳細(xì)資料將

顯現(xiàn)在小窗口里。

(五)、設(shè)計(jì)規(guī)則檢查

當(dāng)我們要進(jìn)行設(shè)計(jì)規(guī)則檢查時(shí),激活A(yù)uto-DesignRuleCheck…命

令,屏幕顯現(xiàn)如下所示之對(duì)話盒:

PlacementSpacingViolations檢查零件間距是否符合規(guī)定

RouteSpacingViolations檢查走線的安全間距是否符合規(guī)定

NetRuleViolations檢查網(wǎng)絡(luò)是否有沖撞

CopperContinuityViolations檢查填滿銅是否違反規(guī)定

ViaLocationViolation檢查導(dǎo)孔是否違反規(guī)定

PadExitViolations檢查焊點(diǎn)是否違反規(guī)定

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