用verliog语言编写呈现实现一个4-16译码器
时间: 2024-02-06 08:09:55 浏览: 33
下面是一个用Verilog语言实现的4-16译码器的代码:
```
module decoder_4to16(input [3:0] in, output reg [15:0] out);
always @(*)
begin
case(in)
4'b0000: out = 16'b0000000000000001;
4'b0001: out = 16'b0000000000000010;
4'b0010: out = 16'b0000000000000100;
4'b0011: out = 16'b0000000000001000;
4'b0100: out = 16'b0000000000010000;
4'b0101: out = 16'b0000000000100000;
4'b0110: out = 16'b0000000001000000;
4'b0111: out = 16'b0000000010000000;
4'b1000: out = 16'b0000000100000000;
4'b1001: out = 16'b0000001000000000;
4'b1010: out = 16'b0000010000000000;
4'b1011: out = 16'b0000100000000000;
4'b1100: out = 16'b0001000000000000;
4'b1101: out = 16'b0010000000000000;
4'b1110: out = 16'b0100000000000000;
4'b1111: out = 16'b1000000000000000;
default: out = 16'b0000000000000000;
endcase
end
endmodule
```
这个代码定义了一个4位输入的译码器,将输入的4个比特位转换为16个比特位输出。译码器采用case语句实现,根据输入的4个比特位的不同情况,将输出的16个比特位的不同位置为1,其余位置为0。如果输入不在0到15的范围内,则输出全为0。