cadence生成网络表时出现如下错误，解决办法（转）
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这样吧，一类一类的来分析。
（1）Warning "No_connect"
#1 Warning [ALG0047] "No_connect" property on Pin "P1.8" ignored forP1: SCHEMATIC1, 13)URAT (7.90, 1.20). Connecting pin to net "N16811229".
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ALG0047，这个警告基本可以忽略；造成这个问题的原因是，设计之初先对器件相关的管脚上加上'X'(也就是NC符号)，更新设计的过程又对管脚做了连接处理；但是后面的连接处理没有去掉管脚的NC属性，不信的话把那个管脚上的net中国七夕删掉看看。
解决办法很简单，对这些管脚再做一次NC
（2）Warning Part Name
#5 Warning [ALG0016] Part Name 上海公租房申请条件"CAP PN_C100UP-6.3V-SMT-S_100UF/6.3V" is renamed to "CAP PN_C100UP-6.3V-SMT-S_100UF/"
山东梁山旅游景点这个警告不可避免，allegro对相关的属性名称进行合并，超过一定数量的字符就截掉；在命名规范的前提下就不考虑这个警告了。
无法根治
这个#2 Warning [ALG0016] Part Name
之类的错误在于你建立元件原理图的时候你的原件Value值太长了超过32个字符,从而使系统在进行命名规范的时候溢出,而出错,很简单的,只写关键元件名,比如 A2541P10_HDR2X5-100MIL_2X5 HEADER" is renamed to "A2541P10_HDR2X5-100MIL_2X5 HEAD注册号查询错误只需要
把2X5 HEADER更改为A2541P10,去除中间的空格即可.
U(ZE0B5L5b%X;n4g Allegro对一些字符[例如"空格","小数点土豆番茄"等等]很在意,可以参阅相关文档的描述.
（3）Error Illegal character "Dot(.)" found in "PCB Footprint"
#1 Error [ALG0081] Illegal character "Dot(.)" found in "PCB Footprint" property for component instance C255: PG16_AC97, PG16_AC97 (226.06, 132.08) .
封装命名不能包含“.”
（4）Error Illegal character "Forward Slash(/)" found in "PCB Footprint" property
#1 Error [ALG0081] Illegal character "Forward Slash(/)" found in "PCB Footprint" property for component instance C255: PG16_AC97, PG16_AC97 (226.06, 132.08) .
#2 Error [ALG0081] Illegal character "Forward Slash(/)" found in "PCB Footprint" property for component instance D3: PG01_LED&Switch&7-Segment Disp, PG01_LED&Switch&7-Segment Disp (93.98, 33.02) .
#3 Error [ALG0081] Illegal character "Forward Slash(/)" found in "PCB Footprint" property for component instance C245: PG16_AC97, PG16_AC97 (205.74, 35.56) .
封装命名不能包含“/”
（5）比较隐藏的排除法
E:\FPGA\SCH\allegro/pstchip.dat
#34 WARNING(SPCODD-34): Expected ';' character on line 5308. Check the name and value syntax for invalid characters in the
primitive definition before the line number.
ERROR(SPCODD-47): File ./allegro/pstchip.dat could not be loaded, and the packaging operation did not complete. Check the pxl.log file for the errors causing this situation and package the design again.
#53 ERROR(SPCODD-53): Packaging cannot be completed becau packaging has encountered a null object ID. The design may not have been saved correctly. Save the schematic and rerun packaging.
小河居
#187 Error [ALG0036] Unable to read logical netlist data.
"D:\Cadence\SPB_16.2\tools\" -pst -d "E:\FPGA\SCH\mothe尼克松访华时间
rboard.dsn" -n "E:\FPGA\SCH\allegro" -c "D:\Cadence\SPB_16.2\tools\capture\allegro.cfg" -v 3 -j "PCB Footprint"
*** Done*******
掌握排错方法，查找文件pstchip.dat，第on line 5308 看看错误，便可以解决
（6）封装命名中不能包含“小数点”、“/”、“空格”，把空格换成下划线或删除，可以解决
********************************************************************************
** Netlisting the design
*********************************************************************************
Design Name:
E:\FPGA\SCH\basicboard.dsn
Netlist Directory:
E:\FPGA\SCH\allegro
Configuration File:
D:\Cadence\SPB_16.2\tools\capture\allegro.cfg
好看壁纸
"D:\Cadence\SPB_16.2\tools\" -pst -d "E:\FPGA\SCH\basicboard.dsn" -n "E:\FPGA\SCH\allegro" -c "D:\Cadence\SPB_16.2\tools\capture\allegro.cfg" -v 3 -j "PCB Footprint"
#1 Error [ALG0081] Illegal character "White space" found in "PCB Footprint" property for component instance MG2: Basic, PG06_Stepmotor (180.34, 83.82) .
#2 Error [ALG0081] Illegal character "White space" found in "PCB Footprint" property for component instance ISO1: Basic, PG05_DC Motor (134.62, 40.64) .
#3 Info: PCB Editor does not support Dots(.), Forward Slash(/) and White space in footprint names. The supported characters include Alphabets, Numerics, Underscore(_) and Hyphen(-).
#4 Plea correct the above errors and retry.
"D:\Cadence\SPB_16.2\tools\" -pst -d "E:\FPGA\SCH\basicboard.dsn" -n "E:\FPGA\SCH\allegro" -c "D:\Cadence\SPB_16.2\tools\capture\allegro.cfg" -v 3 -j "PCB Footprint"
*** Done ***
封装命名中不能包含“小数点”、“/”、“空格”，把空格换成下划线或删除，可以解决
（7）Warning
#11 Warning [ALG0051] Pin "GND" is renamed to "GND#A6" after substituting illegal characters in Package XC3S1400A-4FG676-C_0FF , U1A: SCHEMATIC1, PG01_FPGACONFIG (2.40, 3.10).
#12 Warning [ALG0051] Pin "GND" is renamed to "GND#A11" after substituting illegal characters in Package XC3S1400A-4FG676-C_0FF , U1A: SCHEMATIC1, PG01_FPGACONFIG (2.40, 3.10).
