inout a_io,b_io,c_io; tranif0 sw1(c_io,a_io,en); tranif1 sw2(c_io,b_io,en); 我用的器件是XC9572XL 用MODELSIM仿真时通过, ISE9.1i在综合时出现错误,, ERROR:Xst:850 - "sj039572.v" line 65: Unsupported Switch or User Defined Primitive. ERROR:Xst:850 - "sj039572.v" line 66: Unsupported Switch or User Defined Primitive. 请高手指点。。 |