提取寄生后进行primetime分析，执行read_parasitics时出现错误，求大神解疑

pt_shell>read_parasitics -format SPEF -keep_capacitive_coupling-verboseXX.spef.max__0

Information: Checked out license 'PrimeTime-SI' (PT-019)

Information: Derived library resistance unit is 1.000000 Kohm (Time unit is 1 ns, and Capacitance unit is 1.000000 pF). (DES-028)

Error: Cannot find port/pin 'uut_m/dataout_reg[6]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/dataout_reg[6] 0.00782438) on net uut_m/n615:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/bit_cnt_reg[2]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/bit_cnt_reg[2] 0.00502328) on net uut_m/n849:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/DRDY_c_reg[1]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/DRDY_c_reg[1] 0.00319042) on net uut_m/n604:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/dataout_reg[7]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/dataout_reg[7] 0.00191792) on net uut_m/n610:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/bit_cnt_reg[1]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/bit_cnt_reg[1] 0.00205893) on net uut_m/n847:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/DRDY_c_reg[0]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/DRDY_c_reg[0] 0.00480318) on net uut_m/n607:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/bit_cnt_reg[2]/Q' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/bit_cnt_reg[2] 0.00467754) on net uut_m/n1004:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/bit_cnt_reg[0]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/bit_cnt_reg[0] 0.00243063) on net uut_m/n845:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/byte_cnt_reg[0]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/byte_cnt_reg[0] 0.00493988) on net uut_m/n656:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/dataout_reg[5]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/dataout_reg[5] 0.003506) on net uut_m/n625:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/dataout_reg[4]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/dataout_reg[4] 0.00232004) on net uut_m/n620:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/wr_cnt_reg[4]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/wr_cnt_reg[4] 0.00200325) on net uut_m/n924:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/dataout_reg[1]/D' in design 'SPI_S' (DES-002)

Error: Invalid capacitor (uut_m/dataout_reg[1] 0.00490669) on net uut_m/n630:

node not found (PARA-044)

Error: Cannot find port/pin 'uut_m/mem_adr_reg[2]/D' in design 'SPI_S' (DES-002)

lihai

网表和spef不匹配吧

多谢回复，已解决

是因为网表和spef不一致的原因么小编?

可能是lef库文件读错了吧

请问最后是怎么解决的?

小编应该说下是怎么解决的，希望论坛活跃起来，更多的人愿意分享自己的经验，送人玫瑰手留余香，自己也会从中获益的。

由于在保存网表之前使用了change_names -rules verilog -hierarchy 导致所导出的网表与所提出的.spef文件的名字对应不上，从而出现上述错误。解决办法：在导出网表前不使用上述语句即可