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一个比较白痴的问题。。。希望有人帮我

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发表于 2010-4-22 11:28 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

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我是Cadence菜鸟,问的问题总是很白痴,所以帖子总是没人回答,希望这次能有人帮帮我~~~~& M2 z9 y4 R3 I8 C! ^
我画了一个原理图,后来在做用PCB editor生成PCB板时发现原理图有错误,然后我重新打开原理图用DRC检查,发现好多错误,有一些我已经纠正了,但是还有一部分错误我确不知道原因,如下:! e9 r( @+ o2 ?9 U" w! V
Checking Electrical Rules
2 a4 O. Y5 c0 l: uWARNING [DRC0007]   Net has no driving source N07686:  SCHEMATIC1, PAGE1  (3.50, 5.20) 5 J6 u  W8 O- j& O& d2 X- b- d% l( K
Checking For Single Node Nets2 |$ C  G3 O" h3 [* j+ Y$ K
WARNING [DRC0006]   Net has fewer than two connections PA6:  SCHEMATIC1, PAGE1  (8.80, 9.30) , F  O9 g# S- T
WARNING [DRC0006]   Net has fewer than two connections N18638:  SCHEMATIC1, PAGE1  (9.80, 4.00)
. M, T* w1 ]6 _% e1 F) JWARNING [DRC0006]   Net has fewer than two connections PC5:  SCHEMATIC1, PAGE1  (14.30, 5.70)
; h5 ?  j6 ^! E. G0 M, RWARNING [DRC0006]   Net has fewer than two connections PC1:  SCHEMATIC1, PAGE1  (10.20, 8.70)
3 d5 m- n! n% F' ?WARNING [DRC0006]   Net has fewer than two connections N07293:  SCHEMATIC1, PAGE1  (1.50, 5.10) 5 X# k9 W- m+ `+ d7 H- X; n
WARNING [DRC0006]   Net has fewer than two connections PA7:  SCHEMATIC1, PAGE1  (10.20, 6.20) 3 ]6 C$ o# a* T8 h$ V# e. x
WARNING [DRC0006]   Net has fewer than two connections PD4/AREF:  SCHEMATIC1, PAGE1  (14.30, 7.20)
: i$ p9 I) ?" oWARNING [DRC0006]   Net has fewer than two connections PA3:  SCHEMATIC1, PAGE1  (8.80, 7.80)
: p! f! U7 H4 N. qWARNING [DRC0006]   Net has fewer than two connections PC2:  SCHEMATIC1, PAGE1  (10.20, 9.30) " Q. a  A7 A+ y, i+ U# d1 i5 l
WARNING [DRC0006]   Net has fewer than two connections N09742:  SCHEMATIC1, PAGE1  (2.90, 7.30) ( ~+ Y7 y8 M( o: B3 ~. r
WARNING [DRC0006]   Net has fewer than two connections PB1:  SCHEMATIC1, PAGE1  (10.20, 7.20)
" k( w$ W7 \5 Q/ Y) k! ?$ rWARNING [DRC0006]   Net has fewer than two connections N07297:  SCHEMATIC1, PAGE1  (1.50, 5.20) ' o/ ]% P: v2 r4 R4 y4 G
WARNING [DRC0006]   Net has fewer than two connections TDX:  SCHEMATIC1, PAGE1  (11.80, 1.50) & b/ k+ e+ C( X6 k5 W+ j4 Z* i* S
WARNING [DRC0006]   Net has fewer than two connections N07686:  SCHEMATIC1, PAGE1  (3.50, 5.20)
1 N0 S! }+ C9 dWARNING [DRC0006]   Net has fewer than two connections RF_SIGNAL:  SCHEMATIC1, PAGE1  (12.60, 5.40)
0 ?( \0 W- E* n, EWARNING [DRC0006]   Net has fewer than two connections PD5/PWMOUT:  SCHEMATIC1, PAGE1  (14.30, 7.80) ; k$ o/ L: }$ j! Y% d( R9 A1 N3 d
WARNING [DRC0006]   Net has fewer than two connections PC6:  SCHEMATIC1, PAGE1  (14.30, 6.20)
) a4 X. l' o) o% FWARNING [DRC0006]   Net has fewer than two connections PA4:  SCHEMATIC1, PAGE1  (8.80, 8.30) - m9 ~# N) S5 l* J3 N( A
WARNING [DRC0006]   Net has fewer than two connections RDX:  SCHEMATIC1, PAGE1  (11.80, 1.70)
$ K( n' v9 G6 K6 Z' R0 a! IWARNING [DRC0006]   Net has fewer than two connections PC3:  SCHEMATIC1, PAGE1  (11.60, 8.30)
/ l6 K3 \  x9 ?( JWARNING [DRC0006]   Net has fewer than two connections PA1:  SCHEMATIC1, PAGE1  (8.80, 6.70) 9 T9 i" Y9 q  G
WARNING [DRC0006]   Net has fewer than two connections LNA_ON_1:  SCHEMATIC1, PAGE1  (7.60, 2.60)
& A; C: h0 X, a$ a2 |7 `WARNING [DRC0006]   Net has fewer than two connections PB3:  SCHEMATIC1, PAGE1  (10.20, 7.70) ( r# ^& N# Z' w! M1 J/ p
WARNING [DRC0006]   Net has fewer than two connections PA5:  SCHEMATIC1, PAGE1  (8.80, 8.80) ' h) \, h6 P% a8 i5 [# d
WARNING [DRC0006]   Net has fewer than two connections PC7:  SCHEMATIC1, PAGE1  (14.30, 6.70) # d& [( H1 {7 j
WARNING [DRC0006]   Net has fewer than two connections PC4:  SCHEMATIC1, PAGE1  (11.60, 7.70)
9 j# M2 p0 i# y$ I' K1 V( v  tWARNING [DRC0006]   Net has fewer than two connections PC0:  SCHEMATIC1, PAGE1  (10.20, 8.20) * |7 }  F9 }# ?! z1 z. X
WARNING [DRC0006]   Net has fewer than two connections PB0:  SCHEMATIC1, PAGE1  (10.20, 6.70)
2 i; o% I9 c' g3 Q3 P) Y' aWARNING [DRC0006]   Net has fewer than two connections GND_POWER:  SCHEMATIC1, PAGE1  (0.60, 2.00) : o3 p9 p% k- {1 S
Checking For Unconnected Bus Nets
$ v: L, P1 ~" y' f4 s, e) q' j3 Q5 O& N希望大虾们能帮帮我~~~~
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收藏收藏 支持!支持! 反对!反对!

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 楼主| 发表于 2010-4-22 11:40 | 只看该作者
我发现这个问题的原因了~~~就是这个工程是由多个板子构成的,另一个板子的原理图我没画出来,所以显示有的引脚悬空,我想问一下这样可以生成PCB板吗?我在PCB中导入网表时出现了如下错误:8 p* a; r2 [* N
Packager files not found% |, r! H( D) k
2 e" V7 T2 \. x4 G* b1 R
#2   ERROR(102) Run stopped because errors were detected8 E/ n+ w! S5 }( U, e( R

1 r4 y' A! D. p+ [netrev run on Apr 22 11:37:44 2010# t$ R* O0 [& _) q! \: [
! K$ ?; W( Q: k) j
   COMPILE 'logic'7 L' C/ M* E) M* O9 Q  n4 R
   CHECK_PIN_NAMES OFF
$ ?9 u! V+ s: t. k  K   CROSS_REFERENCE OFF* i# @$ D$ s; ^% C
   FEEDBACK OFF
8 R& ~5 A8 l" f0 D   INCREMENTAL OFF* W6 v* s' o8 j( Q. f
   INTERFACE_TYPE PHYSICAL
0 R5 P& i8 \2 p4 X/ U7 Q+ ~  @- U   MAX_ERRORS 500
1 }. r/ Z+ s! T, c" M  v2 n% Q4 }& B   MERGE_MINIMUM 5- C' ]# Y7 i+ A) V: K4 v0 ?
   NET_NAME_CHARS '#%&()*+-./:=>?@[]^_`|'$ K9 G2 U" f, F3 [
   NET_NAME_LENGTH 24* M8 \$ Q9 q! {: ?' T9 R; x
   OVERSIGHTS ON4 E2 D/ O' ]" K) _: H8 }( h
   REPLACE_CHECK OFF
% P' p1 t6 K- u6 J# h   SINGLE_NODE_NETS ON6 u! N6 M# e- ~+ ^; g; z" S. B; V7 u
   SPLIT_MINIMUM 06 Y6 N3 _1 G3 ^! P& r# \
   SUPPRESS   203 s# J' _. L7 O9 O! X/ B
   WARNINGS ON: {0 b) |3 O6 r1 W3 V
2 T5 T0 V0 W7 W
  2 errors detected
+ n! m8 ^6 ?( q No oversight detected0 j3 s8 y& ]7 J6 a: e( u
No warning detected
8 H. n/ b) g. p; D" U7 E  W0 c( N7 w+ b2 m1 H1 B2 t
cpu time      0:00:26
; s, E. E! r% Kelapsed time  0:00:019 s' U+ Q- R) d

, h1 G5 ?& ^' c8 o3 p6 a- G这又是什么意思呢?

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3#
发表于 2010-4-22 11:44 | 只看该作者
[DRC0007]的错误一定要注意,一般情况下是因为某个net孤立引起的,这种的要根据坐标仔细检查,很有可能是该net是单端连接,与其他的同一个net没有联接上造成的" l% \# `. _2 v. H
[DRC0006]的错误有的可能是net没有联接上造成,也要仔细确认一下

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 楼主| 发表于 2010-4-22 12:12 | 只看该作者
谢谢啦!很有用,记下了!
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