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[Cadence Sigrity] Trace No Reference

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1#
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. c8 M) k2 L. h) h
WARNING [Trace No Reference]: Trace11393:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
5 S5 @/ z% c5 Z- s: XWARNING [Trace No Reference]: Trace11536:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
0 B9 R7 @* C' z7 U$ PWARNING [Trace No Reference]: Trace11725:RAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.
3 X) a  \& j. j& {+ }/ ?, ZWARNING [Trace No Reference]: Trace11731::DRAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.+ Y( d7 f9 I' A- U; A, G+ Q
WARNING [Trace No Reference]: Trace11761::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.7 l1 m' D; {+ P" V) j) R1 e
WARNING [Trace No Reference]: Trace11868::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment./ ~1 C+ o; I0 T. b. z) W
WARNING [Trace No Reference]: Trace232 There is no plane or patch (top or bottom) covers the trace segment.
; v) `) W, L2 I/ bWARNING [Trace No Reference]: Trace233 There is no plane or patch (top or bottom) covers the trace segment./ f' w  f* A5 V
WARNING [Trace No Reference]: Trace4303::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.4 g  }4 C! N7 A; O
WARNING [Trace No Reference]: Trace4304::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
) a  a' Z' V( Q6 u1 FWARNING [Trace No Reference]: Trace4464::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
2 H" L2 }) |# O* R4 t- [0 u5 _WARNING [Trace No Reference]: Trace4721::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.' r0 g5 d: }* C4 e' r/ P
WARNING [Trace No Reference]: Trace4888::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.
0 g0 S" v0 F4 \. Q) r0 kWARNING [Trace No Reference]: Trace4969::VDD_COREA12 There is no plane or patch (top or bottom) covers the trace segment.: R" z  D8 ~1 h$ c- d; A7 b
WARNING [Trace No Reference]: Trace5235::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
( K, y  p4 R! _' |; }4 V2 {  t; K0 ^WARNING [Trace No Reference]: Trace5239::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.% H8 Y  ~# }6 N4 f) i1 Q# w- H) o# C$ o
WARNING [Trace No Reference]: Trace5476::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.
( t# s/ S6 B2 |  nWARNING [Trace No Reference]: Trace5521::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.; r2 l% q8 z9 y% q$ e, J2 i/ d
WARNING [Trace No Reference]: Trace5872::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.! {; _; Y7 Y8 I6 c
WARNING [Trace No Reference]: Trace5873::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.. E3 k( U' f+ \  S( J) u- D
WARNING [Trace No Reference]: Trace5953::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.# v, ^0 y! m0 t$ v9 J# G
WARNING [Trace No Reference]: Trace5954::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.9 n% X% d3 G9 j7 [" N9 K
WARNING [Trace No Reference]: Trace5955::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.* {  L2 N9 }  o2 C6 g$ e. V' M7 h
WARNING [Trace No Reference]: Trace5956::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.0 `4 K, c& c" I: \; E
WARNING [Trace No Reference]: Trace6097::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.
& W. [/ V% b* j# S0 }1 D/ XWARNING [Trace No Reference]: Trace6148::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.
4 v; V) [5 R+ T% l2 w3 l8 Q) S  {4 }WARNING [Trace No Reference]: Trace6341::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.4 g5 x' j' O* ?' x* `
WARNING [Trace No Reference]: Trace6385::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.2 D! M; V* c/ Q% W9 b% C
WARNING [Trace No Reference]: Trace6389::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
+ ]4 x2 _$ n% R1 F) W. l8 @WARNING [Trace No Reference]: Trace6390::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
" C0 u8 S9 Y% y" i/ s/ ^6 `$ ?WARNING [Trace No Reference]: Trace6391::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.- I" W" K9 u( N9 e% s( ^
WARNING [Trace No Reference]: Trace6392::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
! B) G1 _- b% e' V! s! S% r6 E* oWARNING [Trace No Reference]: Trace6405::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
1 L$ P8 k9 I! l- N8 WWARNING [Trace No Reference]: Trace6406::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.; H+ B* M7 d$ K; D5 a1 }1 N
WARNING [Trace No Reference]: Trace6495::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.1 F: P7 n0 V- t
WARNING [Trace No Reference]: Trace6501::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
$ ]+ b- I+ o9 b/ v' `WARNING [Trace No Reference]: Trace6537::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.& N$ d" r# w) @: w/ X
WARNING [Trace No Reference]: Trace6538::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.$ U) @) Q  Z2 X6 t/ i! r: C
WARNING [Trace No Reference]: Trace6539::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
6 [' f+ \2 l% @$ `WARNING [Trace No Reference]: Trace6540::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
% O8 \: q0 v! k+ S. r5 eWARNING [Trace No Reference]: Trace6541::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
7 A* r3 r4 ~! S: j; m* G% t  XWARNING [Trace No Reference]: Trace6542::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
. [) U7 m0 y+ {6 ~WARNING [Trace No Reference]: Trace6550::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.7 |$ H" s* N4 H- k, D9 k. ]
WARNING [Trace No Reference]: Trace6558::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
" W) j: D5 K7 z% u+ W2 i3 tWARNING [Trace No Reference]: Trace6559::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
2 O- W) d/ e# ~% Z3 WWARNING [Trace No Reference]: Trace6619::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.' E8 M  M# i# V+ q2 a
WARNING [Trace No Reference]: Trace6620::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
! p# d% T$ _  H. a, iWARNING [Trace No Reference]: Trace6674::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
8 t" }2 c3 X& JWARNING [Trace No Reference]: Trace6860::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.
: N5 k/ q8 \- G: OWARNING [Trace No Reference]: Trace6863::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment.; Z+ d; S0 j* Y8 ^6 a
WARNING [Trace No Reference]: Trace8640::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.) K& T2 {2 G5 q1 W& P
WARNING [Trace No Reference]: Trace8643::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.- M9 Y  z- ^4 Y/ _! c
WARNING [Trace No Reference]: Trace8646::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
3 r8 f3 T" |, A9 pWARNING [Trace No Reference]: Trace8647::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.' D2 M1 |8 V+ t: t- A5 P. f7 B; g
WARNING [Trace No Reference]: Trace8648::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.  p! g% _" I0 l( t1 u$ N
WARNING [Trace No Reference]: Trace8649::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
; C- ^/ Y+ X! aWARNING [Trace No Reference]: Trace8720::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
6 |, i7 Z) E* S/ rWARNING [Trace No Reference]: Trace8724::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment., N7 d' y; r& E" D: `! g7 V
WARNING [Trace No Reference]: Trace8753::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.+ h- [4 X+ R# e$ o, ]
WARNING [Trace No Reference]: Trace9038::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.( V7 U3 @5 w2 L+ l2 @
WARNING [Trace No Reference]: Trace9039::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
/ v- T3 F& D2 k4 A7 vWARNING [Trace No Reference]: Trace9040::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.3 f' l: W! C4 D. [: w& B
WARNING [Trace No Reference]: Trace9041::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
) T4 z; {# [$ c, t我的叠层如下:- Y/ C* N) O4 L) g) c

8 ?8 p6 `$ [7 ?& e8 W+ X7 }( r/ V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。

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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
6 h' b# |8 d6 J3 ~4 N; m: F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 ...

8 ]9 f5 B  ^, c8 M! i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
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