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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 |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
: j5 I6 o8 Y1 v5 lWARNING [Trace No Reference]: Trace11393:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.& g" B0 _3 R. a. I* v6 E3 C
WARNING [Trace No Reference]: Trace11536:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
4 N& I1 o; Q& N& W; H! a9 V, U% QWARNING [Trace No Reference]: Trace11725:RAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
( V/ l% D6 L# g( Z' V' |5 DWARNING [Trace No Reference]: Trace11731::DRAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
0 y: F# e, L3 ^- l8 l7 |+ r6 IWARNING [Trace No Reference]: Trace11761::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
: @' t# {8 n6 g) b. y1 JWARNING [Trace No Reference]: Trace11868::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
3 x# s  m1 T) L3 n8 w' t: S/ rWARNING [Trace No Reference]: Trace232 There is no plane or patch (top or bottom) covers the trace segment.
- @% _, d0 L# l( uWARNING [Trace No Reference]: Trace233 There is no plane or patch (top or bottom) covers the trace segment.
( q. p: ^: K2 C2 [# d: M$ k9 JWARNING [Trace No Reference]: Trace4303::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
- |% s# O3 V3 C: `4 d# qWARNING [Trace No Reference]: Trace4304::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.6 t& l& T8 J" e
WARNING [Trace No Reference]: Trace4464::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
" T8 T0 l4 \5 o, k! R5 L# gWARNING [Trace No Reference]: Trace4721::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.# L. y* g% j* z/ H! p4 b
WARNING [Trace No Reference]: Trace4888::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.
; `3 r2 Z1 S$ R! G7 c6 yWARNING [Trace No Reference]: Trace4969::VDD_COREA12 There is no plane or patch (top or bottom) covers the trace segment.
2 _" q2 b9 p) C8 _  J" u4 bWARNING [Trace No Reference]: Trace5235::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.  W+ q8 X- a( r* }2 N. }/ P
WARNING [Trace No Reference]: Trace5239::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
8 B# ?4 P) S7 t! Z& N7 NWARNING [Trace No Reference]: Trace5476::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.
) S3 J2 i$ F* ]& sWARNING [Trace No Reference]: Trace5521::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.% x: t2 Q$ y3 o+ h
WARNING [Trace No Reference]: Trace5872::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.
+ h- d5 |: @( YWARNING [Trace No Reference]: Trace5873::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment./ K3 I- \7 ]/ n* D" G$ V
WARNING [Trace No Reference]: Trace5953::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.6 x! |, ^1 }9 t6 s8 S
WARNING [Trace No Reference]: Trace5954::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.* F6 k/ j: w* R* I- H1 x! G5 ?
WARNING [Trace No Reference]: Trace5955::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
; k2 w& Q7 P5 Y. F5 B/ ~  cWARNING [Trace No Reference]: Trace5956::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
4 T) v  h& G+ N0 L: _! @WARNING [Trace No Reference]: Trace6097::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.- s# c6 f7 T' k5 k
WARNING [Trace No Reference]: Trace6148::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.2 U8 [0 ?4 Z& ]0 V; Z; ?8 `7 N% u
WARNING [Trace No Reference]: Trace6341::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
- B! t' k) ~. K# j8 I! Q- J$ LWARNING [Trace No Reference]: Trace6385::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
* p. A$ Z" k# j5 HWARNING [Trace No Reference]: Trace6389::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.$ r) w+ q+ I$ S: F! S" Z
WARNING [Trace No Reference]: Trace6390::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.0 Q$ _$ F2 s  ^6 n. K
WARNING [Trace No Reference]: Trace6391::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.. |2 }2 m: p5 e$ Y
WARNING [Trace No Reference]: Trace6392::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
$ A8 U7 s8 a) O- i. M/ g2 fWARNING [Trace No Reference]: Trace6405::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.1 L& h/ h$ D, H
WARNING [Trace No Reference]: Trace6406::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
5 k7 d/ `0 C9 U. B! MWARNING [Trace No Reference]: Trace6495::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.0 q# t4 ?* j% W, h% H
WARNING [Trace No Reference]: Trace6501::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
0 e% q7 o. u5 b. A! }3 J7 U& d) \WARNING [Trace No Reference]: Trace6537::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
3 c" g* h  T$ {: EWARNING [Trace No Reference]: Trace6538::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment." u2 `) s: z3 o+ v0 C
WARNING [Trace No Reference]: Trace6539::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.' Z2 }" h0 ]7 o; ?8 {; Q+ R& x
WARNING [Trace No Reference]: Trace6540::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.7 S5 m6 P# G  m
WARNING [Trace No Reference]: Trace6541::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.. B; Y! T$ F3 }0 ~
WARNING [Trace No Reference]: Trace6542::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.8 n" k, [& s, m6 [  ]. b( C
WARNING [Trace No Reference]: Trace6550::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.+ [8 n* Y# g8 e- `5 k
WARNING [Trace No Reference]: Trace6558::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
. G/ J3 Q( ?8 d% k) p1 WWARNING [Trace No Reference]: Trace6559::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
+ q3 r5 E" F5 E1 w' l; ~WARNING [Trace No Reference]: Trace6619::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.8 x1 k& {/ x4 G- S
WARNING [Trace No Reference]: Trace6620::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
6 v2 k; v% J. `WARNING [Trace No Reference]: Trace6674::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.* \- q( d% B& T2 n3 P  g+ D' Q0 r
WARNING [Trace No Reference]: Trace6860::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
2 G; I% F! c0 [1 t2 t4 yWARNING [Trace No Reference]: Trace6863::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
4 ^( `$ D: Q. h0 j$ k+ D: K/ ?6 CWARNING [Trace No Reference]: Trace8640::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.
$ U7 D& ]4 L5 p# E( }WARNING [Trace No Reference]: Trace8643::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.
$ [( d  y* k) Y7 eWARNING [Trace No Reference]: Trace8646::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.( Q4 g( B0 w2 N% f# R2 K. |
WARNING [Trace No Reference]: Trace8647::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.  K7 H: y) {% d7 z" k' E
WARNING [Trace No Reference]: Trace8648::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.: r7 E3 R% d$ C% c3 [3 f
WARNING [Trace No Reference]: Trace8649::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
; @( r6 B4 d+ @" y$ c7 \# RWARNING [Trace No Reference]: Trace8720::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
1 }5 O" F" B( d. s! M" i) fWARNING [Trace No Reference]: Trace8724::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.
7 n7 U' a. I8 N* {5 N( j6 n% \& IWARNING [Trace No Reference]: Trace8753::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.6 x8 ~" `) p/ o
WARNING [Trace No Reference]: Trace9038::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.  a' Y' B1 g( Z) }& J/ j' |7 b
WARNING [Trace No Reference]: Trace9039::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
$ T$ s7 x, p! q! t5 L+ N. F  OWARNING [Trace No Reference]: Trace9040::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.0 V3 `5 b  g3 g0 k
WARNING [Trace No Reference]: Trace9041::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
. s& N  E& @- A, }我的叠层如下:
) x: M8 X: y- M' q5 `+ \3 T' [ - ?9 l. P4 |( @5 o# N  g; v
为什么会出现没有no plane or patch的提示呢
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收藏收藏 支持!支持! 反对!反对!

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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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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. c! O% j3 [/ F3 x$ r
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 ...
  J. O/ M; @, {& r; }9 K( P3 k
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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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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