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标题:
Quartus 软件中的Shift Register(RAM_based)仿真总不正确
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作者:
fengzhikuaikuai
时间:
2014-5-5 20:04
标题:
Quartus 软件中的Shift Register(RAM_based)仿真总不正确
module shift_reg(clk,clken,data_in,data_out);
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input clk;
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input clken;
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input [7:0] data_in;
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output [7:0] data_out;
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/*always @(posedge clk)
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begin
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data_cnt=data_cnt+8'd1;
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end*/
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shift1 u1(
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.clock(clk),
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.clken(clken),
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.shiftin(data_cnt),
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.shiftout(data_out));
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endmodule
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测试程序:
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initial
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begin
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clk=0;
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data_in=8'b0;
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clken=1'b0;
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end
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always #10 clk=~clk;
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initial
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begin
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#100 clken=1'b1;
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#200 clken=1'b0;
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#100 clken=1'b1;
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#200 clken=1'b0;
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#100 clken=1'b1;
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#200 clken=1'b0;
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#100 clken=1'b1;
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#200 clken=1'b0;
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#100 clken=1'b1;
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#200 clken=1'b0;
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#100 clken=1'b1;
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end
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always @(posedge clk)
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begin
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if(clken)
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data_in=data_in+1'b1;
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end
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endmodule
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modelsim-ase编译正确,仿真时出错
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# ** Error: (vsim-10000) F:/Quartus11.0_exercise/quartus_exercise/shift_reg_ram_based/shift1.v(69): Unresolved defparam reference to 'intended_device_family' in ALTSHIFT_TAPS_component.intended_device_family.
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# Region: /shift_reg_vlg_tst/i1/u1
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# Error loading design
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有哪位大神做过这个库函数的仿真,求解答!!!
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