找回密码
 注册
查看: 3796|回复: 3
打印 上一主题 下一主题

[Cadence Sigrity] Trace No Reference

[复制链接]

该用户从未签到

跳转到指定楼层
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

EDA365欢迎您登录!

您需要 登录 才可以下载或查看,没有帐号?注册

x
Trace No Reference,为什么我的板子上有那么多* G+ t# \: _% D; Y. n6 u" K
WARNING [Trace No Reference]: Trace11393:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.9 z3 C7 ?- x3 l2 s0 J1 T
WARNING [Trace No Reference]: Trace11536:RAM_BA2 There is no plane or patch (top or bottom) covers the trace segment.
; a. X' L3 _7 e# |+ BWARNING [Trace No Reference]: Trace11725:RAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.% F2 u2 z6 }6 p- i) M
WARNING [Trace No Reference]: Trace11731::DRAM_BA1 There is no plane or patch (top or bottom) covers the trace segment.( Y; U: d' c+ h4 a9 n, ?3 h' S
WARNING [Trace No Reference]: Trace11761::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.( q- K. I; |, F" M
WARNING [Trace No Reference]: Trace11868::DRAM_BA0 There is no plane or patch (top or bottom) covers the trace segment.  A; X+ M: c: X! p1 u7 M( J/ I$ P  g
WARNING [Trace No Reference]: Trace232 There is no plane or patch (top or bottom) covers the trace segment.
( E; B, p! E+ ]WARNING [Trace No Reference]: Trace233 There is no plane or patch (top or bottom) covers the trace segment.* k* u. @; ^/ Q% Y/ q5 U
WARNING [Trace No Reference]: Trace4303::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
0 L' [: i# s$ D4 y. N! RWARNING [Trace No Reference]: Trace4304::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
) }- N6 Q* Y9 S5 J2 _# |WARNING [Trace No Reference]: Trace4464::DRAM_A5 There is no plane or patch (top or bottom) covers the trace segment.
6 t( ]& q3 ~1 r- oWARNING [Trace No Reference]: Trace4721::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.8 O' g% k$ P. f
WARNING [Trace No Reference]: Trace4888::DRAM_A3 There is no plane or patch (top or bottom) covers the trace segment.
+ I$ b: c! _, G: YWARNING [Trace No Reference]: Trace4969::VDD_COREA12 There is no plane or patch (top or bottom) covers the trace segment.  X; A. J6 Q3 A5 G  o: `/ Z; p! O, ^
WARNING [Trace No Reference]: Trace5235::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.
5 G) n" C5 R- q! n8 a: @WARNING [Trace No Reference]: Trace5239::DRAM_A6 There is no plane or patch (top or bottom) covers the trace segment.% |+ z2 _+ [' f
WARNING [Trace No Reference]: Trace5476::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.% t/ r* I7 @; T' s$ v* z
WARNING [Trace No Reference]: Trace5521::DRAM_A4 There is no plane or patch (top or bottom) covers the trace segment.
6 |! {3 t3 f$ A* V& C5 cWARNING [Trace No Reference]: Trace5872::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.: e  a2 I0 q' D: Y' S
WARNING [Trace No Reference]: Trace5873::DRAM_A1 There is no plane or patch (top or bottom) covers the trace segment.2 n$ m+ w3 K3 E/ q( Z! n! L! Z
WARNING [Trace No Reference]: Trace5953::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
2 I) G! @7 t! C9 J* dWARNING [Trace No Reference]: Trace5954::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
% }# C$ x. u3 F( l. g, ^( G* `) RWARNING [Trace No Reference]: Trace5955::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.' I9 K4 a' \% g; U  o. \
WARNING [Trace No Reference]: Trace5956::DRAM_A8 There is no plane or patch (top or bottom) covers the trace segment.
+ _1 w0 N1 `8 f& c3 }WARNING [Trace No Reference]: Trace6097::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.% K$ ]. w7 x' {. g
WARNING [Trace No Reference]: Trace6148::DRAM_A14 There is no plane or patch (top or bottom) covers the trace segment.* V6 A/ @. k- _9 T- D3 x
WARNING [Trace No Reference]: Trace6341::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
7 b- O' W5 y0 FWARNING [Trace No Reference]: Trace6385::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.8 @/ a  S/ Z! H$ D0 R/ p7 N
WARNING [Trace No Reference]: Trace6389::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
  C  `' A5 b( |7 gWARNING [Trace No Reference]: Trace6390::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.: M, U) N) }: S# f
WARNING [Trace No Reference]: Trace6391::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.- P" q0 l' ~. B1 X0 @& N3 P9 C+ f
WARNING [Trace No Reference]: Trace6392::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.
, X3 }+ q& z7 vWARNING [Trace No Reference]: Trace6405::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment.3 F/ I8 r9 |* `6 q5 O: Q2 X; ^
WARNING [Trace No Reference]: Trace6406::DRAM_A13 There is no plane or patch (top or bottom) covers the trace segment., g0 \0 w$ _, P9 g# c
WARNING [Trace No Reference]: Trace6495::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.0 u3 h1 a: r8 N9 Q. l
WARNING [Trace No Reference]: Trace6501::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
0 Q$ R3 K% W! D* j) ~2 {6 N+ i( oWARNING [Trace No Reference]: Trace6537::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
0 @+ O: Z6 W9 b" b! GWARNING [Trace No Reference]: Trace6538::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.! z# |1 Y3 o4 J; ?' i
WARNING [Trace No Reference]: Trace6539::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
" p  ^" h$ F9 g( s3 W1 oWARNING [Trace No Reference]: Trace6540::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.; Z# x& j- N# g' [) D7 L
WARNING [Trace No Reference]: Trace6541::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.
3 G7 g& |+ b+ S$ ~WARNING [Trace No Reference]: Trace6542::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.: W) S5 N. H3 v% g2 D  C+ G7 ?: R
WARNING [Trace No Reference]: Trace6550::DRAM_A9 There is no plane or patch (top or bottom) covers the trace segment.8 ?$ S# Z7 O% y/ b" J
WARNING [Trace No Reference]: Trace6558::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.9 s0 E( q" ]" P' d
WARNING [Trace No Reference]: Trace6559::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
# X  f* }2 A, B- _. k8 RWARNING [Trace No Reference]: Trace6619::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
. M0 |( G( U- M  }WARNING [Trace No Reference]: Trace6620::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.
5 X$ }& @% K8 U# G1 oWARNING [Trace No Reference]: Trace6674::DRAM_A7 There is no plane or patch (top or bottom) covers the trace segment.& K  j" R$ p! O' D
WARNING [Trace No Reference]: Trace6860::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment./ t1 |; ~* V# U& p/ h6 {+ @- v
WARNING [Trace No Reference]: Trace6863::DRAM_D2 There is no plane or patch (top or bottom) covers the trace segment." U% `2 t: r& m6 y
WARNING [Trace No Reference]: Trace8640::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.$ L, T- g  g# @% h% O, W/ r
WARNING [Trace No Reference]: Trace8643::DRAM_D3 There is no plane or patch (top or bottom) covers the trace segment.
8 \& C& k" M$ ]" UWARNING [Trace No Reference]: Trace8646::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.  U4 S8 n  W( s/ c
WARNING [Trace No Reference]: Trace8647::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.0 c, L% @) B3 P+ h& }9 Y8 G
WARNING [Trace No Reference]: Trace8648::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
  j" m5 N# }6 h, g; Y  s( m% n6 OWARNING [Trace No Reference]: Trace8649::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.- i3 m$ i, k! x# R& P5 W
WARNING [Trace No Reference]: Trace8720::DRAM_D1 There is no plane or patch (top or bottom) covers the trace segment.
+ H  Z7 p* t5 Z: t" ZWARNING [Trace No Reference]: Trace8724::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.$ S+ ]2 D  ^  h% Z9 `
WARNING [Trace No Reference]: Trace8753::DRAM_D5 There is no plane or patch (top or bottom) covers the trace segment.6 d  Y( Y$ a/ e+ ~2 @+ i
WARNING [Trace No Reference]: Trace9038::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.* F. |9 R0 S" t) _; e) ~$ i- F- F
WARNING [Trace No Reference]: Trace9039::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.6 M0 y0 W( R! k. M* `* {
WARNING [Trace No Reference]: Trace9040::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment.
, H% |0 f/ G- Q3 O3 r8 a- aWARNING [Trace No Reference]: Trace9041::DRAM_D7 There is no plane or patch (top or bottom) covers the trace segment., s1 b) T$ n. Z2 V
我的叠层如下:( i8 P2 e& T. l9 p, D

2 x3 [, v: K+ Z5 y为什么会出现没有no plane or patch的提示呢

该用户从未签到

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。

该用户从未签到

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) A' V! ~) i4 d8 V
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 ...
5 M  n0 f. o0 K+ Y
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。

该用户从未签到

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
您需要登录后才可以回帖 登录 | 注册

本版积分规则

关闭

推荐内容上一条 /1 下一条

EDA365公众号

关于我们|手机版|EDA365电子论坛网 ( 粤ICP备18020198号-1 )

GMT+8, 2025-5-29 15:30 , Processed in 0.093750 second(s), 27 queries , Gzip On.

深圳市墨知创新科技有限公司

地址:深圳市南山区科技生态园2栋A座805 电话:19926409050

快速回复 返回顶部 返回列表