我用cadence16.5 conceptHDL设计原理图,完成后道pCB,我使用的Top-down式原理图设计方式) J B L# G2 V( Z# N" Q3 ]! h$ ~
导PCB时提示“Connectitivity server is unable to load design. The .xcon file might be missing or incorrect. Your design needs to be netlisted in 16.4 or later version of Design Entry HDL" S* B% [: J2 l# ~ 7 R# V5 }' V2 n1 s' S7 l- n$ ]这个是由什么问题导致的?' m# ~- s4 F" t5 X