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刚接触SQ仿真，遇到如下问题，请高手们不吝赐教：
4 U: N; z/ S( U3 z, `$ u' c1 E" X' ]1.将IBIS模型转化为dml格式后，在Signal Model Assignment界面下，赋给芯片相应的模型后，发现芯片有部分管脚使用赋给的模型，而部分管脚却使用系统黙认的模型，这是为什么？编辑模型时，提示错误如下：' N, O, W/ `: B6 S9 p
model Hi3520V100_PBGA768 defines pin Y04 which doesn't exist in component SN2116_V83_FINAL U9* S: h8 ` q' q4 v9 h. X; c
model Hi3520V100_PBGA768 defines pin Y03 which doesn't exist in component SN2116_V83_FINAL U9
/ N9 Z, U8 O8 s& K# }; r( L. fmodel Hi3520V100_PBGA768 defines pin Y02 which doesn't exist in component SN2116_V83_FINAL U9. V1 v; Q5 Y( N6 a( y# q9 s( \7 h
model Hi3520V100_PBGA768 defines pin Y01 which doesn't exist in component SN2116_V83_FINAL U9
- n: u- c6 D3 `5 Bmodel Hi3520V100_PBGA768 defines pin W04 which doesn't exist in component SN2116_V83_FINAL U9
+ y( ~2 p' r5 U$ w smodel Hi3520V100_PBGA768 defines pin W03 which doesn't exist in component SN2116_V83_FINAL U9# M9 R5 B# ^* M, `; N- N0 ]
model Hi3520V100_PBGA768 defines pin W02 which doesn't exist in component SN2116_V83_FINAL U9+ C3 |( U% P8 o( G8 R
（注 该芯片是PGA封装，且厂家提供的PIN管脚是字母加数字的）
' t. E+ P: ^9 M, o2.提取网络时，在点击Reports查看报告和Waveforms查看波形时，弹出如下警告：
+ ~$ d! q# T- EWARNINGS:; }+ ~9 s/ u$ c' m
No 'V Measurement' is defined in the delay measurement fixture of model ATP8624_SP018W_PCIX. The buffer delay is assumed 0.4 }" A6 F3 J# g. b; B2 q$ \
这是什么原因造成的？会产生什么影响？
* c t& j9 k* i$ r: l2 @- H再次谢谢大家。 |
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发表于 2010-8-13 16:16
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