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//Error（10028）：Can‘t resolve multiple constant drivers for net “ ” at **.v
//两个进程里都有同一个条件判断的话，会产生并行信号冲突的问题。
//同一个信号不允许在多个进程中赋值，否则则为多驱动。
//进程的并行性决定了多进程不同能对同一个对象进行赋值。
1 module test(c1,c2,out1,out2); 2 3 input c1,c2; 4 output out1,out2; 5 6 reg out1,out2; 7 8 always @(posedge c1) 9 begin 10 out1<=0; 11 out2<=0; 12 end 13 14 always@(posedge c2) 15 begin 16 out1<=0; 17 out2<=1; 18 end 19 20 endmodule
1 module shiyan(c1,c2,out1,out2); 2 input c1,c2; 3 output out1,out2; 4 5 reg out1,out2; 6 7 always @(posedge c1 or posedge c2) 8 if(c1==1) 9 begin 10 out1<=0; 11 out2<=0; 12 end 13 14 else 15 begin 16 out1<=0; 17 out2<=1; 18 end 19 endmodule
摘自网络：
http://blog.sina.com.cn/s/blog_5c5263cf0100qd2q.html
http://www.cnblogs.com/woshitianma/archive/2013/01/12/2858051.html
Error (10028): Can't resolve multiple constant drivers for net "out2" at shiyan.v(14)解决办法
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原文地址：http://www.cnblogs.com/qidaiymm/p/4916237.html
