MPC8270 端口simulate buffer 波形问题

supxch

对模型的BUFFER仿真波形的疑问
   我是初学者，当我试着使用cadence的Model Integrity将pq27tbga.ibs文件导入，然后转化为pq27tbga.dml文件，转化过程中有如图 1 ibs文件转化为dml文件时的报错信息。
pq27tbga.ibs模型是从官网上下的，cadence是16.3版本的

图 1 ibs文件转化为dml文件时的报错信息

用Model integrity 打开Ibs模型时的警告信息如下：
Checking C:\Cadence\ibis\pq27tbga.ibs for IBIS 3.2 Compatibility...

WARNING (line 1038) - Vmeas should not be specified for model type Input
WARNING (line 1039) - Cref should not be specified for model type Input
WARNING (line 1040) - Rref should not be specified for model type Input
WARNING (line 1041) - Vref should not be specified for model type Input
WARNING (line 1155) - Vmeas should not be specified for model type Input
WARNING (line 1156) - Cref should not be specified for model type Input
WARNING (line 1157) - Rref should not be specified for model type Input
WARNING (line 1158) - Vref should not be specified for model type Input
WARNING (line 1280) -
    S_overshoot_high should not be specified for model type 3-state
WARNING (line 1281) -
    S_overshoot_low should not be specified for model type 3-state
WARNING (line 1282) -
    D_overshoot_high should not be specified for model type 3-state
WARNING (line 1283) -
    D_overshoot_low should not be specified for model type 3-state
WARNING (line 1284) -
    D_overshoot_time should not be specified for model type 3-state
WARNING (line 1318) - Pulldown Minimum data is non-monotonic
WARNING (line 1319) - Pulldown Typical data is non-monotonic
WARNING (line 1320) - Pulldown Maximum data is non-monotonic
WARNING (line 1394) - Pullup Minimum data is non-monotonic
WARNING (line 1395) - Pullup Typical data is non-monotonic
WARNING (line 1395) - Pullup Maximum data is non-monotonic
WARNING (line 1998) - Vmeas should not be specified for model type Input
WARNING (line 1999) - Cref should not be specified for model type Input
WARNING (line 2000) - Rref should not be specified for model type Input
WARNING (line 2001) - Vref should not be specified for model type Input
WARNING (line 2163) - Pulldown Minimum data is non-monotonic
WARNING (line 2164) - Pulldown Typical data is non-monotonic
WARNING (line 2165) - Pulldown Maximum data is non-monotonic
WARNING (line 2239) - Pullup Minimum data is non-monotonic
WARNING (line 2240) - Pullup Typical data is non-monotonic
WARNING (line 2240) - Pullup Maximum data is non-monotonic
WARNING (line 2891) - Pulldown Minimum data is non-monotonic
WARNING (line 2892) - Pulldown Typical data is non-monotonic
WARNING (line 2893) - Pulldown Maximum data is non-monotonic
WARNING (line 2967) - Pullup Minimum data is non-monotonic
WARNING (line 2968) - Pullup Typical data is non-monotonic
WARNING (line 2968) - Pullup Maximum data is non-monotonic
WARNING (line 3619) - Pulldown Minimum data is non-monotonic
WARNING (line 3620) - Pulldown Typical data is non-monotonic
WARNING (line 3621) - Pulldown Maximum data is non-monotonic
WARNING (line 3695) - Pullup Minimum data is non-monotonic
WARNING (line 3696) - Pullup Typical data is non-monotonic
WARNING (line 3696) - Pullup Maximum data is non-monotonic
WARNING (line 4307) -
    S_overshoot_high should not be specified for model type 3-state
WARNING (line 4308) -
    S_overshoot_low should not be specified for model type 3-state
WARNING (line 4309) -
    D_overshoot_high should not be specified for model type 3-state
WARNING (line 4310) -
    D_overshoot_low should not be specified for model type 3-state
WARNING (line 4311) -
    D_overshoot_time should not be specified for model type 3-state
WARNING (line 4345) - Pulldown Minimum data is non-monotonic
WARNING (line 4346) - Pulldown Typical data is non-monotonic
WARNING (line 4347) - Pulldown Maximum data is non-monotonic
WARNING (line 4421) - Pullup Minimum data is non-monotonic
WARNING (line 4422) - Pullup Typical data is non-monotonic
WARNING (line 4422) - Pullup Maximum data is non-monotonic
WARNING (line 5073) - Pulldown Minimum data is non-monotonic
WARNING (line 5074) - Pulldown Typical data is non-monotonic
WARNING (line 5075) - Pulldown Maximum data is non-monotonic
WARNING (line 5149) - Pullup Minimum data is non-monotonic
WARNING (line 5150) - Pullup Typical data is non-monotonic
WARNING (line 5150) - Pullup Maximum data is non-monotonic
WARNING (line 5801) - Pulldown Minimum data is non-monotonic
WARNING (line 5802) - Pulldown Typical data is non-monotonic
WARNING (line 5803) - Pulldown Maximum data is non-monotonic
WARNING (line 5877) - Pullup Minimum data is non-monotonic
WARNING (line 5878) - Pullup Typical data is non-monotonic
WARNING (line 5878) - Pullup Maximum data is non-monotonic
WARNING (line 6529) - Pulldown Minimum data is non-monotonic
WARNING (line 6530) - Pulldown Typical data is non-monotonic
WARNING (line 6531) - Pulldown Maximum data is non-monotonic
WARNING (line 6605) - Pullup Minimum data is non-monotonic
WARNING (line 6606) - Pullup Typical data is non-monotonic
WARNING (line 6606) - Pullup Maximum data is non-monotonic
WARNING (line 7257) - Pulldown Minimum data is non-monotonic
WARNING (line 7258) - Pulldown Typical data is non-monotonic
WARNING (line 7259) - Pulldown Maximum data is non-monotonic
WARNING (line 7333) - Pullup Minimum data is non-monotonic
WARNING (line 7334) - Pullup Typical data is non-monotonic
WARNING (line 7334) - Pullup Maximum data is non-monotonic
WARNING (line 7945) -
    S_overshoot_high should not be specified for model type 3-state
WARNING (line 7946) -
    S_overshoot_low should not be specified for model type 3-state
WARNING (line 7947) -
    D_overshoot_high should not be specified for model type 3-state
WARNING (line 7948) -
    D_overshoot_low should not be specified for model type 3-state
WARNING (line 7949) -
    D_overshoot_time should not be specified for model type 3-state
WARNING (line 7983) - Pulldown Minimum data is non-monotonic
WARNING (line 7984) - Pulldown Typical data is non-monotonic
WARNING (line 7985) - Pulldown Maximum data is non-monotonic