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Trace No Reference

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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 |正序浏览 |阅读模式

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Trace No Reference,为什么我的板子上有那么多
  ]) V! i$ X% j/ E: ?# M8 y5 sWARNING [Trace No Reference]: Trace11393:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
3 P% v5 @- r! e. gWARNING [Trace No Reference]: Trace11536:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
8 q* E. x3 \7 w8 j+ kWARNING [Trace No Reference]: Trace11725:RAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
; S# y0 |8 z9 b( p$ p- y. zWARNING [Trace No Reference]: Trace11731::DRAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.2 Q: J7 J; y' _* T' m, S' Z
WARNING [Trace No Reference]: Trace11761::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.# }# ~; z0 p  a" {' r
WARNING [Trace No Reference]: Trace11868::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
# Y6 l5 M; Y9 {, H2 {WARNING [Trace No Reference]: Trace232 There is no plane or patch (top or bottom) covers the trace segment.( J) d$ U6 r  k; r5 U7 q* g) F
WARNING [Trace No Reference]: Trace233 There is no plane or patch (top or bottom) covers the trace segment.0 e# ?! X  t; J$ `! i  ~/ H( r/ |
WARNING [Trace No Reference]: Trace4303::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.. H, U5 c# h8 P5 A, z6 R1 B5 ~" U
WARNING [Trace No Reference]: Trace4304::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment." E) N' c+ i: y4 K  L1 \7 x
WARNING [Trace No Reference]: Trace4464::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.# A" v- F" |: v* A. j- ~5 K/ h# q
WARNING [Trace No Reference]: Trace4721::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.
" H# y* D, Q, H/ i% E7 mWARNING [Trace No Reference]: Trace4888::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.
0 V, k7 a/ ^8 g1 }5 W1 M- wWARNING [Trace No Reference]: Trace4969::VDD_COREA12 There is no plane or patch (top or bottom) covers the trace segment.
. W: D/ S" M8 ]) _3 h- q4 ?WARNING [Trace No Reference]: Trace5235::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
9 `& M) }% C; V& r8 Z% UWARNING [Trace No Reference]: Trace5239::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
. ]* T8 y. x% E1 v: ]! z4 XWARNING [Trace No Reference]: Trace5476::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.0 M  ]5 [/ y- L
WARNING [Trace No Reference]: Trace5521::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.
- A  d0 s; m6 X8 E# C: ]' B' b4 wWARNING [Trace No Reference]: Trace5872::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.
( K$ r( x+ }- g- Y% `, w: r3 `4 fWARNING [Trace No Reference]: Trace5873::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.: `! r, ~) d0 z) w' T
WARNING [Trace No Reference]: Trace5953::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.( M7 a2 L- U" N3 }; _' `: o
WARNING [Trace No Reference]: Trace5954::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
/ u6 y* j# K$ A' Y3 l" OWARNING [Trace No Reference]: Trace5955::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
1 b& v4 W7 }* E' L1 HWARNING [Trace No Reference]: Trace5956::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.& _& R& Y- A  J! f
WARNING [Trace No Reference]: Trace6097::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.
# w3 a  p5 K* {7 T. _WARNING [Trace No Reference]: Trace6148::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.. f, n# k) L( R
WARNING [Trace No Reference]: Trace6341::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.+ S1 l7 H7 i3 h9 ~( _* t! i! i3 ?
WARNING [Trace No Reference]: Trace6385::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.7 ~& H1 x1 x. \! V: Y" T
WARNING [Trace No Reference]: Trace6389::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
/ q$ C% s2 K# y0 e* y# j; c0 zWARNING [Trace No Reference]: Trace6390::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.' n9 b; b4 i4 k
WARNING [Trace No Reference]: Trace6391::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment., G& z2 k# x, E( z4 C/ m$ b
WARNING [Trace No Reference]: Trace6392::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.  R* v$ T) f- u8 [
WARNING [Trace No Reference]: Trace6405::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.5 M) ]1 ?5 ]  I+ {
WARNING [Trace No Reference]: Trace6406::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
1 E: w. H5 X7 x; T5 V$ |+ C1 W: rWARNING [Trace No Reference]: Trace6495::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
/ v* s; v+ Z1 `# r. f  XWARNING [Trace No Reference]: Trace6501::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.1 n, T" z  {) n% a5 }
WARNING [Trace No Reference]: Trace6537::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.5 G) E+ [  Y; U
WARNING [Trace No Reference]: Trace6538::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.& c" X% I" X' z- y, q. s: }
WARNING [Trace No Reference]: Trace6539::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment./ J! G: _" m+ ]6 F5 X; ]6 K- F
WARNING [Trace No Reference]: Trace6540::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment., N; O& m. k; F# |5 H: o, d
WARNING [Trace No Reference]: Trace6541::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
3 |4 h3 \# c( l: ]8 v: n& q' IWARNING [Trace No Reference]: Trace6542::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
# A7 G: H) v3 S) F7 D) fWARNING [Trace No Reference]: Trace6550::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
, P; s( s, S* g2 rWARNING [Trace No Reference]: Trace6558::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.0 Q- N7 P9 g$ I9 q2 d
WARNING [Trace No Reference]: Trace6559::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
% W3 D# U" Z/ O  @WARNING [Trace No Reference]: Trace6619::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
6 [+ F) F9 A  p; v/ b. YWARNING [Trace No Reference]: Trace6620::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
& T( L1 e7 e" G0 _4 W: {2 A. C& N. nWARNING [Trace No Reference]: Trace6674::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
6 y( J, p$ T$ Z7 G* z, n5 SWARNING [Trace No Reference]: Trace6860::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.5 f! o5 P! `# c, b& ~" w! f4 p
WARNING [Trace No Reference]: Trace6863::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
4 t" s0 i5 n' l$ ^4 A) S3 hWARNING [Trace No Reference]: Trace8640::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.
" l1 C- P( _1 k& o: b: qWARNING [Trace No Reference]: Trace8643::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.' y+ S3 N) p( {* I
WARNING [Trace No Reference]: Trace8646::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
. |/ K8 Q, F8 a) QWARNING [Trace No Reference]: Trace8647::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.. r! x3 C( z& n+ s
WARNING [Trace No Reference]: Trace8648::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.0 j9 `+ v8 E! n( N' K4 \
WARNING [Trace No Reference]: Trace8649::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.1 O' D0 T& \3 @( L  `6 d3 J+ g( p
WARNING [Trace No Reference]: Trace8720::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.0 }3 [2 ~5 e! H! \( ]% g
WARNING [Trace No Reference]: Trace8724::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.% z' O+ W- @. F3 r3 E
WARNING [Trace No Reference]: Trace8753::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.
$ J6 u: R( g. t! \% {WARNING [Trace No Reference]: Trace9038::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.- v2 ?6 u! Z5 |7 a: c7 h' r9 j1 `) y4 W
WARNING [Trace No Reference]: Trace9039::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.! x+ I9 N2 F3 m% F" @4 Y% c5 I: F
WARNING [Trace No Reference]: Trace9040::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.) r* D/ E6 Y1 p: s8 j
WARNING [Trace No Reference]: Trace9041::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
+ a4 @; T+ D" ?& g& b我的叠层如下:- x' P" {9 L, r: L9 X7 x

! x. v1 A. D% D$ l2 m为什么会出现没有no plane or patch的提示呢
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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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3#
 楼主| 发表于 2013-11-13 16:01 | 只看该作者
qingdalj 发表于 2013-11-13 15:58
  e/ W, P9 o7 L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 ...
2 q7 D/ f* P, r2 m" n4 _4 P
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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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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