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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
7 H$ N9 u$ M6 {. L+ Y0 FWARNING [Trace No Reference]: Trace11393:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.8 {; N0 l8 N3 A# O2 e2 [4 \
WARNING [Trace No Reference]: Trace11536:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
) ~# ^+ H; K' I% [. t( BWARNING [Trace No Reference]: Trace11725:RAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
6 m5 _' n0 N7 g+ J4 wWARNING [Trace No Reference]: Trace11731::DRAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
& J, R1 m) I/ U. \# JWARNING [Trace No Reference]: Trace11761::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
" X3 L: n5 D7 Z% i! O; V$ gWARNING [Trace No Reference]: Trace11868::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.
3 x- c: _; t: `& yWARNING [Trace No Reference]: Trace232 There is no plane or patch (top or bottom) covers the trace segment.; }; b; H1 d$ O$ Y  J4 H2 x
WARNING [Trace No Reference]: Trace233 There is no plane or patch (top or bottom) covers the trace segment.: b7 _) t: v$ N; r! p2 @8 k
WARNING [Trace No Reference]: Trace4303::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
) ]+ H/ D$ O" {; I- LWARNING [Trace No Reference]: Trace4304::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.4 G' z, U1 B) ^% M0 m
WARNING [Trace No Reference]: Trace4464::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
8 ?7 s# l5 R- ]! b0 bWARNING [Trace No Reference]: Trace4721::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.
. T  x' b3 s& XWARNING [Trace No Reference]: Trace4888::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.
0 q1 e6 V3 K7 G- _4 FWARNING [Trace No Reference]: Trace4969::VDD_COREA12 There is no plane or patch (top or bottom) covers the trace segment.
% L5 a  s* W& n8 Y9 AWARNING [Trace No Reference]: Trace5235::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
' u7 x, y  y6 v7 |8 eWARNING [Trace No Reference]: Trace5239::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
. t5 b) b# H, s8 yWARNING [Trace No Reference]: Trace5476::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.
1 \5 f, B7 }' A* U1 n/ o" V4 LWARNING [Trace No Reference]: Trace5521::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.; h1 m8 R* ]9 ^* j) L1 q( m
WARNING [Trace No Reference]: Trace5872::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.
3 \3 v. Z5 ^# o( i0 E6 S* ~WARNING [Trace No Reference]: Trace5873::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.
' o# M! ]6 d6 C; b7 h5 ~WARNING [Trace No Reference]: Trace5953::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
! ~- c- C$ g' R, N9 CWARNING [Trace No Reference]: Trace5954::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
! v3 Z5 K' X2 {# s# q* D$ \) b6 ^WARNING [Trace No Reference]: Trace5955::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
, }& s2 w; Q0 W0 @: C. t3 t1 OWARNING [Trace No Reference]: Trace5956::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
8 b; G4 y5 s3 J, W9 nWARNING [Trace No Reference]: Trace6097::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.: j4 z9 H' e3 W; G1 [! [
WARNING [Trace No Reference]: Trace6148::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.
3 v7 J- C4 K4 |# f' u! ?WARNING [Trace No Reference]: Trace6341::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.4 G( _( h2 L) @6 h5 o# ?
WARNING [Trace No Reference]: Trace6385::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.; v: d2 }: r! w# [
WARNING [Trace No Reference]: Trace6389::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
9 [! q" ]# A3 gWARNING [Trace No Reference]: Trace6390::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
! j0 }, L+ M- \( V* I! sWARNING [Trace No Reference]: Trace6391::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
3 Q1 S! L, x7 WWARNING [Trace No Reference]: Trace6392::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.) T& C  V% K3 t1 b  R, i
WARNING [Trace No Reference]: Trace6405::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.! \2 H" K; |* [% F( j
WARNING [Trace No Reference]: Trace6406::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment." W) z# `5 `5 I% [
WARNING [Trace No Reference]: Trace6495::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.1 N% l. J1 g+ y, K# T8 o( E
WARNING [Trace No Reference]: Trace6501::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
. P4 ~' }) j& P" g( E6 d: nWARNING [Trace No Reference]: Trace6537::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.) {7 _, v: S$ D% N" v8 N" d
WARNING [Trace No Reference]: Trace6538::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.! U0 d' v6 L9 m# z; ^7 r
WARNING [Trace No Reference]: Trace6539::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
" ~  o: A4 [. P9 r% d( _WARNING [Trace No Reference]: Trace6540::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
, I" s, T( Z$ k+ V, J1 FWARNING [Trace No Reference]: Trace6541::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
# J9 {) v% S7 T' w! h6 uWARNING [Trace No Reference]: Trace6542::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.* I" a' J& x( J
WARNING [Trace No Reference]: Trace6550::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.- |, H% x+ {* [( p
WARNING [Trace No Reference]: Trace6558::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
% `% @2 ?; z9 \: t7 ]9 d6 WWARNING [Trace No Reference]: Trace6559::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
+ a, k* T; A. uWARNING [Trace No Reference]: Trace6619::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment." P# S* k6 |% L
WARNING [Trace No Reference]: Trace6620::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.& h# E  Q3 M4 J, `4 J- }! l
WARNING [Trace No Reference]: Trace6674::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.) o9 [* n1 C! r+ a
WARNING [Trace No Reference]: Trace6860::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
, d0 l& y& o( `' P8 zWARNING [Trace No Reference]: Trace6863::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment., a! {9 |% Q$ |5 V5 H% a, |
WARNING [Trace No Reference]: Trace8640::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment." _3 e( v  t( h0 l  j/ c' S' t. v
WARNING [Trace No Reference]: Trace8643::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment./ Y/ d0 M" C, w3 p6 f
WARNING [Trace No Reference]: Trace8646::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.6 V+ a/ e3 c8 _8 J* q
WARNING [Trace No Reference]: Trace8647::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
$ S8 p. X$ ^& a; U3 \: X1 HWARNING [Trace No Reference]: Trace8648::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
% K  M5 u2 Z. y' EWARNING [Trace No Reference]: Trace8649::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.: F7 x* p) z3 ^- p9 o, W/ ]; b
WARNING [Trace No Reference]: Trace8720::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.. w5 K2 G( A# ?& i1 Z, [  C) ~  B
WARNING [Trace No Reference]: Trace8724::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.
7 |' e% v( p9 b. ]0 J; z& T* IWARNING [Trace No Reference]: Trace8753::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.
. _  h4 W# b6 QWARNING [Trace No Reference]: Trace9038::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
/ q  H2 p0 q) A' @WARNING [Trace No Reference]: Trace9039::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment." T/ r9 }! Y0 p) V2 O
WARNING [Trace No Reference]: Trace9040::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment., \6 x+ U5 f" X' c& @% n/ s2 A5 \
WARNING [Trace No Reference]: Trace9041::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
: O. M+ |7 ~# \% {- F我的叠层如下:- Y0 \5 ~+ \, K; {! v4 L' `
  d) E& ]7 c  |8 b" h1 B0 R$ 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 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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 楼主| 发表于 2013-11-13 16:01 | 只看该作者
qingdalj 发表于 2013-11-13 15:58
6 {1 @5 b/ I: S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 ...
7 w" I% {& d4 a$ A1 w# O/ }1 O
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 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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