i need to write this circuit in verilog. Thanks.

Well ... how are a, b and c connected at the bottom of the MUX? The left input is b, then a and right is c. So 000 ... 111 is a combination of b, a, c. In VHDL it would be: signal sel := std_logic_vector(2 downto 0); begin sel <= b & a & c; with sel select y <= a and b when "000", c when "001", a and b when "010", '1' when "011", a and b when "100", '0' when "101", a and b when "110", a xor b when "111"; And now ask ChatGPT to translate this in Verilog: Question: Translate signal sel := std_logic_vector(2 downto 0); begin sel <= b & a & c; with sel select y <= a and b when "000", c when "001", a and b when "010", '1' when "011", a and b when "100", '0' when "101", a and b when "110", a xor b when "111"; to Verilog. Answer: reg [2:0] sel; always @* begin case (sel) 3'b000, 3'b010, 3'b100, 3'b110: y = a & b; 3'b001: y = c; 3'b011: y = 1'b1; 3'b101: y = 1'b0; 3'b111: y = a ^ b; endcase end assign sel = b & a & c;

Mattia wrote: > i need to write this circuit in verilog. > Thanks. Wow... nice to know! So GO FOR IT!

Gustl B. wrote: > Answer: ... > assign sel = b & a & c; Ouch... obviously chatGPT needs to learn a bit more about the differences between VHDL and Verilog.

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