一个比较白痴的问题。。。希望有人帮我

huanxirj

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~~~~
/ I- I2 M; k+ i) s/ E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：
Checking Electrical Rules
WARNING [DRC0007]   Net has no driving source N07686:  SCHEMATIC1, PAGE1  (3.50, 5.20)
Checking For Single Node Nets
0 L8 E# _% {* y2 ~- e8 |WARNING [DRC0006]   Net has fewer than two connections PA6:  SCHEMATIC1, PAGE1  (8.80, 9.30)
WARNING [DRC0006]   Net has fewer than two connections N18638:  SCHEMATIC1, PAGE1  (9.80, 4.00)
WARNING [DRC0006]   Net has fewer than two connections PC5:  SCHEMATIC1, PAGE1  (14.30, 5.70)
WARNING [DRC0006]   Net has fewer than two connections PC1:  SCHEMATIC1, PAGE1  (10.20, 8.70)
WARNING [DRC0006]   Net has fewer than two connections N07293:  SCHEMATIC1, PAGE1  (1.50, 5.10)
8 v' g) @( N0 H* s" @; Z( wWARNING [DRC0006]   Net has fewer than two connections PA7:  SCHEMATIC1, PAGE1  (10.20, 6.20)
WARNING [DRC0006]   Net has fewer than two connections PD4/AREF:  SCHEMATIC1, PAGE1  (14.30, 7.20)
* X3 g4 K' E4 {3 c: K/ N" ~WARNING [DRC0006]   Net has fewer than two connections PA3:  SCHEMATIC1, PAGE1  (8.80, 7.80)
WARNING [DRC0006]   Net has fewer than two connections PC2:  SCHEMATIC1, PAGE1  (10.20, 9.30)
WARNING [DRC0006]   Net has fewer than two connections N09742:  SCHEMATIC1, PAGE1  (2.90, 7.30)
WARNING [DRC0006]   Net has fewer than two connections PB1:  SCHEMATIC1, PAGE1  (10.20, 7.20)
WARNING [DRC0006]   Net has fewer than two connections N07297:  SCHEMATIC1, PAGE1  (1.50, 5.20)
WARNING [DRC0006]   Net has fewer than two connections TDX:  SCHEMATIC1, PAGE1  (11.80, 1.50)
7 B& ~1 z7 t' ]/ @' O  ~$ F+ {, SWARNING [DRC0006]   Net has fewer than two connections N07686:  SCHEMATIC1, PAGE1  (3.50, 5.20)
8 H& A6 l( ^3 v5 W1 o0 ]" |# A! hWARNING [DRC0006]   Net has fewer than two connections RF_SIGNAL:  SCHEMATIC1, PAGE1  (12.60, 5.40)
5 x7 e+ j: s" X0 j# a4 Q+ Q7 E, wWARNING [DRC0006]   Net has fewer than two connections PD5/PWMOUT:  SCHEMATIC1, PAGE1  (14.30, 7.80)
' P; K: w  @. G1 H: M4 o& ~WARNING [DRC0006]   Net has fewer than two connections PC6:  SCHEMATIC1, PAGE1  (14.30, 6.20)
WARNING [DRC0006]   Net has fewer than two connections PA4:  SCHEMATIC1, PAGE1  (8.80, 8.30)
1 d  E5 B0 Y' E- P6 iWARNING [DRC0006]   Net has fewer than two connections RDX:  SCHEMATIC1, PAGE1  (11.80, 1.70)
WARNING [DRC0006]   Net has fewer than two connections PC3:  SCHEMATIC1, PAGE1  (11.60, 8.30)
8 J) J. Q9 U3 H) aWARNING [DRC0006]   Net has fewer than two connections PA1:  SCHEMATIC1, PAGE1  (8.80, 6.70)
8 e% I1 A& X9 F  MWARNING [DRC0006]   Net has fewer than two connections LNA_ON_1:  SCHEMATIC1, PAGE1  (7.60, 2.60)
WARNING [DRC0006]   Net has fewer than two connections PB3:  SCHEMATIC1, PAGE1  (10.20, 7.70)
! m. i7 u+ _- V6 `  ^/ \WARNING [DRC0006]   Net has fewer than two connections PA5:  SCHEMATIC1, PAGE1  (8.80, 8.80)
* o9 ^3 t7 I, v  n. TWARNING [DRC0006]   Net has fewer than two connections PC7:  SCHEMATIC1, PAGE1  (14.30, 6.70)
7 m8 E3 |, u- K6 |" ZWARNING [DRC0006]   Net has fewer than two connections PC4:  SCHEMATIC1, PAGE1  (11.60, 7.70)
: V* {. T# c5 }; z" D5 h# mWARNING [DRC0006]   Net has fewer than two connections PC0:  SCHEMATIC1, PAGE1  (10.20, 8.20)
WARNING [DRC0006]   Net has fewer than two connections PB0:  SCHEMATIC1, PAGE1  (10.20, 6.70)
/ q  z, u9 E/ c6 ]! A4 N# l* iWARNING [DRC0006]   Net has fewer than two connections GND_POWER:  SCHEMATIC1, PAGE1  (0.60, 2.00)
+ k' y" Q; I4 G' v4 \! KChecking For Unconnected Bus Nets
希望大虾们能帮帮我~~~~

huanxirj

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：
6 R) C2 W2 v9 @* ?6 w- k7 MPackager files not found

5 x5 u3 V# L9 [3 K) H& I! C5 E/ }#2   ERROR(102) Run stopped because errors were detected

netrev run on Apr 22 11:37:44 2010

8 R$ m' Z4 A( L7 P* `/ p  ?% K' H   COMPILE 'logic'
/ W; s. T5 A; _& |   CHECK_PIN_NAMES OFF
   CROSS_REFERENCE OFF
3 z9 S0 _; t9 k$ T3 R+ p   FEEDBACK OFF
% @: _. ]" q8 n8 c2 z0 X3 Y; F% z   INCREMENTAL OFF
% b) Y* A- e! U' B" n/ b4 z+ G   INTERFACE_TYPE PHYSICAL
   MAX_ERRORS 500
   MERGE_MINIMUM 5
   NET_NAME_CHARS '#%&()*+-./:=>?@[]^_`|'
   NET_NAME_LENGTH 24
   OVERSIGHTS ON
; G. z( h' b" g5 E/ _+ I   REPLACE_CHECK OFF
  ^0 b. B) \/ E5 w& D   SINGLE_NODE_NETS ON
' U: u* M  Z4 g; t" f! T   SPLIT_MINIMUM 0
   SUPPRESS   20
   WARNINGS ON

7 A& W8 c( d0 O. S, ^) t  2 errors detected
No oversight detected
No warning detected

  o2 B$ @5 ~: f6 e/ {cpu time      0:00:26
2 |' p% I/ Q. Y, Delapsed time  0:00:01

" _) j1 M2 M1 y这又是什么意思呢？

zrysnake

[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
* H, Q# I( M8 G6 T3 n, r2 t  P[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

huanxirj

谢谢啦！很有用，记下了！