3-bit Multiplier Verilog Code Instant
// Stage 2 full_adder fa1 ( .a(pp0[2]), .b(pp1[1]), .cin(c1), .sum(s1), .cout(c2) );
half_adder ha2 ( .a(pp2[0]), .b(1'b0), .sum(s2), .carry(c3) );
module multiplier_3bit_structural ( input [2:0] a, input [2:0] b, output [5:0] product ); wire [2:0] pp0, pp1, pp2; // partial products wire c1, c2, c3, c4, c5, c6; wire s1, s2, s3, s4; 3-bit multiplier verilog code
// Stage 3 full_adder fa2 ( .a(s1), .b(pp1[2]), .cin(c2), .sum(product[2]), .cout(c4) );
// Half adder for LSB assign product[0] = pp0[0]; // Stage 2 full_adder fa1 (
// Full adder chain // Stage 1: pp0[1] + pp1[0] half_adder ha1 ( .a(pp0[1]), .b(pp1[0]), .sum(product[1]), .carry(c1) );
// Helper modules module half_adder ( input a, b, output sum, carry ); assign sum = a ^ b; assign carry = a & b; endmodule half_adder ha2 ( .a(pp2[0])
full_adder fa3 ( .a(s2), .b(pp2[1]), .cin(c3), .sum(s3), .cout(c5) );
for most FPGA/ASIC designs unless you need explicit gate-level control for teaching or low-level optimization.
// Instantiate behavioral multiplier (change as needed) multiplier_3bit_behavioral uut ( .a(a), .b(b), .product(product) );