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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3 y5 }& j5 v3 r7 t! J: F
WARNING [Trace No Reference]: Trace11393:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
: C1 H% U, H0 {3 hWARNING [Trace No Reference]: Trace11536:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment./ Z6 n" k3 H  n0 D$ i. s0 E" e
WARNING [Trace No Reference]: Trace11725:RAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.- w5 R4 i1 f6 b9 a' s
WARNING [Trace No Reference]: Trace11731::DRAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
. o: O- Z2 Q: p8 KWARNING [Trace No Reference]: Trace11761::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
' C, U. b( @1 I8 ^. a7 CWARNING [Trace No Reference]: Trace11868::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
  X/ A- O* h* EWARNING [Trace No Reference]: Trace232 There is no plane or patch (top or bottom) covers the trace segment./ a. Q, M/ R: K+ @
WARNING [Trace No Reference]: Trace233 There is no plane or patch (top or bottom) covers the trace segment.
% \8 b% r. z- y- O; {; d8 \WARNING [Trace No Reference]: Trace4303::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.6 P9 w* t  c6 M/ {! ]
WARNING [Trace No Reference]: Trace4304::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.: O- F6 X$ j1 U6 h3 v7 v$ G2 K
WARNING [Trace No Reference]: Trace4464::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.0 n/ y, ~" C" e$ J
WARNING [Trace No Reference]: Trace4721::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment." J! _/ ^5 R" Z' k
WARNING [Trace No Reference]: Trace4888::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.3 j% r0 z2 u/ m% O1 c5 |
WARNING [Trace No Reference]: Trace4969::VDD_COREA12 There is no plane or patch (top or bottom) covers the trace segment.
9 r. W) y/ \( I/ B# eWARNING [Trace No Reference]: Trace5235::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.( c0 ^6 `- {3 g8 _( W
WARNING [Trace No Reference]: Trace5239::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.: g$ O2 O( y& m& W5 a
WARNING [Trace No Reference]: Trace5476::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.0 g+ J: T8 u6 \7 Q* T
WARNING [Trace No Reference]: Trace5521::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.
+ Y. Y! |  c7 D8 {" G/ I9 v+ uWARNING [Trace No Reference]: Trace5872::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.0 ^, d5 S9 b% a# ]) U% l& V4 d
WARNING [Trace No Reference]: Trace5873::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.
/ b+ q- h) X8 C0 o. f7 @3 HWARNING [Trace No Reference]: Trace5953::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment./ L" Q% @/ \2 I/ K
WARNING [Trace No Reference]: Trace5954::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
, _% u  {. L5 e! l6 m7 {WARNING [Trace No Reference]: Trace5955::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
8 L- t' ]- c1 b" c" nWARNING [Trace No Reference]: Trace5956::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.& W- r+ ]3 ~* m; |$ _1 e
WARNING [Trace No Reference]: Trace6097::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.
1 R5 _+ f3 K/ S: a" oWARNING [Trace No Reference]: Trace6148::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.
* r( G4 i# E, c, _0 L9 Y) dWARNING [Trace No Reference]: Trace6341::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.' x+ }4 D6 O( V& H9 H5 F
WARNING [Trace No Reference]: Trace6385::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
8 a* ?$ v$ b& k: O( @) U% ZWARNING [Trace No Reference]: Trace6389::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.( `/ @6 w. h+ x3 h$ m, U) b
WARNING [Trace No Reference]: Trace6390::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
3 H- c; ^$ s, F( _$ d3 oWARNING [Trace No Reference]: Trace6391::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
1 e; _' d4 `. Z6 v' [WARNING [Trace No Reference]: Trace6392::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.9 y4 x, s" E- x5 |$ W
WARNING [Trace No Reference]: Trace6405::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.9 {& |6 I# v$ c& f6 C6 z
WARNING [Trace No Reference]: Trace6406::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.9 L" W7 }1 S/ y( S4 D
WARNING [Trace No Reference]: Trace6495::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
, u7 Z% |* ^. y1 JWARNING [Trace No Reference]: Trace6501::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.9 V; A- ?3 S. [( z
WARNING [Trace No Reference]: Trace6537::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
. J4 ]  k7 B1 ^1 lWARNING [Trace No Reference]: Trace6538::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.. _; s; d. E: Y) Q
WARNING [Trace No Reference]: Trace6539::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment." B* R( A+ K+ [0 O
WARNING [Trace No Reference]: Trace6540::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.7 i6 k3 S: J$ x1 O+ p
WARNING [Trace No Reference]: Trace6541::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
+ I  I& U) P# Y9 r) D. G5 IWARNING [Trace No Reference]: Trace6542::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.0 V1 |  ~* s% `. h- \, ^1 X' j5 H
WARNING [Trace No Reference]: Trace6550::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.+ T1 W8 G/ K8 L2 ?& I: H3 C2 c1 S
WARNING [Trace No Reference]: Trace6558::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.9 H2 i" Y" z$ _. ^9 s
WARNING [Trace No Reference]: Trace6559::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
* i& i; ^" x% e( H2 w! sWARNING [Trace No Reference]: Trace6619::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
1 u, k2 @1 ?2 J* u" hWARNING [Trace No Reference]: Trace6620::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.& |6 Z9 d: ?( I
WARNING [Trace No Reference]: Trace6674::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.9 g# C- r3 X0 Z
WARNING [Trace No Reference]: Trace6860::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
7 Q/ O$ W+ C/ }/ I& HWARNING [Trace No Reference]: Trace6863::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
. ?. e6 y* m" F8 H8 F: a5 e+ s6 t" S  `WARNING [Trace No Reference]: Trace8640::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.& g+ S! p7 y/ }5 j5 t
WARNING [Trace No Reference]: Trace8643::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.2 j: B! I2 `" B- f2 d- ^5 i
WARNING [Trace No Reference]: Trace8646::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.3 v( P/ H. d# v- e' z; j
WARNING [Trace No Reference]: Trace8647::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
. b! m1 Q7 @% kWARNING [Trace No Reference]: Trace8648::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.2 |( q9 x; e2 g" T* j
WARNING [Trace No Reference]: Trace8649::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.0 k8 C4 p8 L2 B8 U2 a5 c5 g7 n
WARNING [Trace No Reference]: Trace8720::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
5 n" |; M, @5 wWARNING [Trace No Reference]: Trace8724::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.4 q, A- Z$ }5 S. w. f  c
WARNING [Trace No Reference]: Trace8753::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.
2 i, K. _( e( M; sWARNING [Trace No Reference]: Trace9038::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.+ n2 ]4 O3 P$ Y1 K
WARNING [Trace No Reference]: Trace9039::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
( p  M; m7 e' T2 C" W$ PWARNING [Trace No Reference]: Trace9040::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
* L  S2 V1 O; z$ J3 W4 A- L2 |WARNING [Trace No Reference]: Trace9041::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.) Z5 e: n2 M5 v6 l: f
我的叠层如下:
* _  C; a  p6 i8 }" {4 e 7 z1 t, N( |( \& }! U
为什么会出现没有no plane or patch的提示呢
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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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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  r$ [4 ~& G2 B8 o- u3 o( g
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 ...
# S3 c" ^" O6 Y, T7 c+ Z
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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