HDL code to simulate 4-Bit Binary to gray converter

Aim- Simulate 4-bit binary to gray converter using HDL code.

Basics of 4-bit binary to gray converter

what is gray code?

A Gray Code represents binary encoded number constitutes a sequence of bits such that only one bit in the group changes from before and after.

To convert Binary to converter,

G3=B3, G2=B3^B2, G1=B2^B1, G0=B1^B0

Truth Table

HDL Program to simulate 4-bit binary to gray converter

DOWNLOAD VERILOG PROGRAMS(SECURE DOWNLOAD)

Verilog Code

module bitogr(
input [3:0] b,
output [3:0] g);
assign g[3]=b[3];
assign g[2]=b[3]^b[2];
assign g[1]=b[2]^b[1];
assign g[0]=b[1]^b[0];
endmodule

Verilog Test Bench

module bitogr_tb;
reg [3:0] b;
wire [3:0] g;
bitogr uut (.b(b), .g(g) );
initial begin
b=0; #100;
b=1; #100;
b=2; #100;
b=3; #100;
b=4; #100;
b=5; #100;
b=6; #100;
b=7; #100;
b=8; #100;
b=9; #100;
b=10; #100;
b=11; #100;
b=12; #100;
b=13; #100;
b=14; #100;
b=15; #100;
endmodule

Output

 DOWNLOAD VERILOG PROGRAMS(SECURE DOWNLOAD)

Related Blogs

Basics of 4-bit binary to gray converter

Simulation of 4-bit binary to gray converter

HDL Programs

HDL code to simulate 4:1 Mux

HDL code to simulate 2:4 Decoder

HDL Code To Simulate All Logic Gates

The post HDL code to simulate 4-bit binary to gray converter appeared first on Techgeetam.com.