二选一mux 实现八选一
时间: 2024-04-27 11:20:31 浏览: 18
要实现八选一MUX,我们可以使用三个四选一MUX组合实现。首先,我们需要将输入信号分组为两组,每组分别包含四个信号。然后,我们可以使用一个四选一MUX来选择其中一组信号,并将选择结果作为输入传递给另一个四选一MUX。最后,再使用第三个四选一MUX来选择这两个四选一MUX的输出信号。这样,我们就可以实现八选一MUX。下面是实现八选一MUX的Verilog代码:
```verilog
module MUX81 (input [7:0 a, input [7:0 b, input [2:0 sel, output reg out);
wire [3:0 mux1_out;
wire [3:0 mux2_out;
MUX41 mux1(.a(a<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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