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EDA365电子工程师网»技术社区 › 电子技术社区 › Cadence Sigrity仿真论坛 › Trace No Reference
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Trace No Reference

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Dandy_15

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发表于 2013-11-12 14:17 | 只看该作者 |只看大图 回帖奖励 |倒序浏览 |阅读模式

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Trace No Reference，为什么我的板子上有那么多2 Z% b) a' L5 u# S! S
WARNING [Trace No Reference]: Trace11393:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
! L- z+ O! H1 ]+ g' n8 RWARNING [Trace No Reference]: Trace11536:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
" p1 Q; @$ p5 a8 s+ Y6 PWARNING [Trace No Reference]: Trace11725:RAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
6 P( E/ A0 k$ \0 SWARNING [Trace No Reference]: Trace11731::DRAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
7 ]0 }0 E! |, j' J6 nWARNING [Trace No Reference]: Trace11761::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
& N% Z- H/ }' X( OWARNING [Trace No Reference]: Trace11868::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.* M2 y- `1 V' d7 v9 L
WARNING [Trace No Reference]: Trace232 There is no plane or patch (top or bottom) covers the trace segment.
5 B1 j6 J$ Y% Z; q2 v- OWARNING [Trace No Reference]: Trace233 There is no plane or patch (top or bottom) covers the trace segment.- V& Z" [9 n2 g  @
WARNING [Trace No Reference]: Trace4303::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
- q6 k3 ?7 W% a0 S7 O' i5 {WARNING [Trace No Reference]: Trace4304::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
: N, {  p) I: J( LWARNING [Trace No Reference]: Trace4464::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.9 L; C/ \: [2 }: M) c
WARNING [Trace No Reference]: Trace4721::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.- E2 @! r1 c0 c1 C2 D- I0 X/ v
WARNING [Trace No Reference]: Trace4888::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.! d; K" a. S: p! F  d: K
WARNING [Trace No Reference]: Trace4969::VDD_COREA12 There is no plane or patch (top or bottom) covers the trace segment.' D/ M# c' i( l/ V  c+ v
WARNING [Trace No Reference]: Trace5235::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
" [" q" s' W! {1 O: \3 W5 zWARNING [Trace No Reference]: Trace5239::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.4 D* u+ E8 t& m/ }  W9 s
WARNING [Trace No Reference]: Trace5476::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.
1 H. M5 c7 W6 y+ [6 h( }( f( D# P& IWARNING [Trace No Reference]: Trace5521::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.% g8 \# Q  Y4 q& M
WARNING [Trace No Reference]: Trace5872::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.# k9 s' R  |8 n3 c( E1 v
WARNING [Trace No Reference]: Trace5873::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.
7 G& q) I3 M5 X% Z! F8 M% p) o( ^8 PWARNING [Trace No Reference]: Trace5953::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
: ^/ ^/ L' h5 P% DWARNING [Trace No Reference]: Trace5954::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.: S/ q9 O! n: L5 C, D. W5 g
WARNING [Trace No Reference]: Trace5955::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
% F( T4 n+ u6 B# {9 nWARNING [Trace No Reference]: Trace5956::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
. J# u" l! k* U  X, o0 xWARNING [Trace No Reference]: Trace6097::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.' J  a; o: V9 b
WARNING [Trace No Reference]: Trace6148::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.
% b5 W+ z7 b4 K4 Y6 HWARNING [Trace No Reference]: Trace6341::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
8 R( G) D4 _, k# oWARNING [Trace No Reference]: Trace6385::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.# E9 x0 j# V5 c  _% x
WARNING [Trace No Reference]: Trace6389::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.; k' D$ p7 A: w, f7 ]' s
WARNING [Trace No Reference]: Trace6390::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
( U0 J# z* K0 K( ^WARNING [Trace No Reference]: Trace6391::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.. ]/ Z1 e3 d) V; n5 y8 _3 y
WARNING [Trace No Reference]: Trace6392::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.3 f: s+ K. D- p, Y
WARNING [Trace No Reference]: Trace6405::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.+ S: d" B% {! c
WARNING [Trace No Reference]: Trace6406::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.( A% }& v3 B2 J
WARNING [Trace No Reference]: Trace6495::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
8 G* l4 G  k% h0 L. U0 x: xWARNING [Trace No Reference]: Trace6501::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
; l# q6 y) ?, D! n* w+ G% uWARNING [Trace No Reference]: Trace6537::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.4 M6 i9 i: l- F; T! }  `
WARNING [Trace No Reference]: Trace6538::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.- v9 [& D+ K) V5 K' e! v1 S
WARNING [Trace No Reference]: Trace6539::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment., d1 O  M7 j  o/ m" V+ J6 @
WARNING [Trace No Reference]: Trace6540::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
3 `/ @" W  y( q( ^% R2 e2 O" k# lWARNING [Trace No Reference]: Trace6541::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.- r. Y# r& j7 b: e) n
WARNING [Trace No Reference]: Trace6542::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.! w: b3 Q* S3 Q9 n1 {" J) V: ]
WARNING [Trace No Reference]: Trace6550::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
$ C7 a; e8 s, @8 u8 nWARNING [Trace No Reference]: Trace6558::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
. @9 d- f9 a4 f+ aWARNING [Trace No Reference]: Trace6559::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
8 u5 H: O  [4 M  x% j2 Q2 JWARNING [Trace No Reference]: Trace6619::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
% f& _% n' O1 l0 _; v' NWARNING [Trace No Reference]: Trace6620::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
& _1 m& x( \" p2 s, r1 }0 Q  jWARNING [Trace No Reference]: Trace6674::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.  F, _; Q- @( K/ ]1 Z
WARNING [Trace No Reference]: Trace6860::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
5 g) T0 ~! G% Y* E% FWARNING [Trace No Reference]: Trace6863::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.5 A9 E. R3 q# R8 [# c; D: y1 \) X
WARNING [Trace No Reference]: Trace8640::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.
4 K. [. K" Q7 V1 |# Z( ^WARNING [Trace No Reference]: Trace8643::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.
2 a  F+ _7 C2 R+ U" ?% ?* jWARNING [Trace No Reference]: Trace8646::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.2 h5 l- h$ C% F$ F& f
WARNING [Trace No Reference]: Trace8647::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.; q' x/ {: t# p
WARNING [Trace No Reference]: Trace8648::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.3 Y8 X8 }) ]" Q) ~! o
WARNING [Trace No Reference]: Trace8649::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
/ e! x( h7 I5 \" aWARNING [Trace No Reference]: Trace8720::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
+ ^& @# j7 d6 b8 Q' T5 ZWARNING [Trace No Reference]: Trace8724::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.) k4 \/ J4 S4 l3 i! M) K/ T
WARNING [Trace No Reference]: Trace8753::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.
0 N  j: N6 n; f/ r6 D& ~( M% fWARNING [Trace No Reference]: Trace9038::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
* L! a, A% t0 \; i! NWARNING [Trace No Reference]: Trace9039::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment./ C4 G( S( u/ ~2 _5 ~
WARNING [Trace No Reference]: Trace9040::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
) z8 |/ e. o: D6 m3 J: jWARNING [Trace No Reference]: Trace9041::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
# V* e! [/ s  Q" k# s1 y我的叠层如下：' p; m7 q  u0 n0 h
5 B1 f; K% t% D& d5 K. x: m& Q
为什么会出现没有no plane or patch的提示呢
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qingdalj

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2#
发表于 2013-11-13 15:58 | 只看该作者
应该是信号线上的node缺少参考面，可以定位某一个（例如Trace9041）信号线段，仔细分析一下看看该线的上下参考面是否完整，例如过孔反焊盘切割plane而造成的参考面不连续。
世界上有2种笨鸟，一种是自己刻苦修炼，笨鸟先飞；一种是趴在窝里下个蛋，让下一代先飞

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Dandy_15

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3#
 楼主| 发表于 2013-11-13 16:01 | 只看该作者
qingdalj 发表于 2013-11-13 15:580 h6 V, W# j( k: B! n8 P) i
应该是信号线上的node缺少参考面，可以定位某一个（例如Trace9041）信号线段，仔细分析一下看看该线的上下 ...
! O& D# z- \1 V5 [
楼上理解正确，对应到问题查看了一上，下面的确是一块不完整的铜皮。

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qingdalj

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4#
发表于 2013-11-13 16:05 | 只看该作者
用这套软件经常遇到各种问题，多多留心就好了
世界上有2种笨鸟，一种是自己刻苦修炼，笨鸟先飞；一种是趴在窝里下个蛋，让下一代先飞

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