verilog `timescale 1ns/1ps module gray_to_binary #( parameter N = 4 // 定义格雷码和二进制码的位宽 )( input [N-1:0] gray_value, // 输入格雷码 output [N-1:0] binary_value // 输出二进制码 ); // 声明二进制码寄存器 reg [N-1:0] binary_value; // 转换逻辑 always @(*) begin ...
因为二进制码和格雷码皆有相同位数,所以二进制码可从最高位的左边位元取0,以进行计算。 verilog 代码://---假设 reg [n-1] gray,binary; integer i; for(i=0;i<=n-1;i=i+1) binary[i]= ^(gray>>i)//gray移位后,自身按位异或 放一段代码这,用于参考: //example_1 module GrayToBinary2ex ...
module gray_to_binary #(parameter N = 4)( input [N-1:0] gray_value, output [N-1:0] binary_value ); reg [N-1:0] binary_value; integer i; always@(*)begin binary_value[N-1] = gray_value[N-1]; for(i=0; i<=N-2; i=i+1)begin:U1 binary_value[i] = binary_value[i+1...
verilog代码实现://pro:binarytogray//data:2014-04-23kb129//info: thisisaproexethatchangethebinarydatatograymodulebinary_gray(binary,gray);parametern=4;input[n-1:0]binary;output[n-1:0]gray;reg[n-1:0]data_reg;always@(binary)begindata_reg[0]=binary[0]Abinary[1];data_reg[1]=binary[...
解码代码: //pro : gray to binary //data: 2014-04-23 kb129 //info: this is a pro exe that change the gray data to binary module binary_gray( binary, gray ); parameter n = 4; input [n-1:0] gray; output [n-1:0] binary; reg [n-1:0] data_reg; always@(gray ) begin ...
格雷码计数可以用两种方式实现,一种是状态机,但是如果计数器的位数很大,比如6位,就得用至少64个状态,非常麻烦,另外一种方法是设计一个二进制计数器,通过它来计数,然后利用binary-gray的编码就可以得到对应的格雷码计数器。 还有一种方法,不是很常用,也很复杂,是通过组合逻辑直接产生格雷码的,而不需要先产生二进制,...
always@(posedgeclkornegedgerst_n)begin// binary to grayif(!rst_n)begingrey<=0;endelseif(en)begingrey[N-1]<=binary[N-1];for(i=0;i<N-1;i=i+1)begingrey[i]<=binary[i]^binary[i+1];endendend 二、格雷码转换为二进制码 步骤: ...
module gray_to_binary #(parameterN=4)(input[N-1:0]gray_value,output[N-1:0]binary_value);reg[N-1:0]binary_value;integer i;always@(*)begin binary_value[N-1]=gray_value[N-1];for(i=0;i<=N-2;i=i+1)begin:U1binary_value[i]=binary_value[i+1]^gray_value[i];end ...
Gray code is a binary code where each successive value differs from the previous value by only one bit. Implementation #1 module bin2gray #(parameter N=4) ( input [N-1:0] bin, output [N-1:0] gray); genvar i; generate for(i = 0; i < N-1; i = i + 1) begin ...
one a binary counter and a second to capture a binary-to-Gray converted value. The intent of this Gray code counter style #2 is to utilize the binary carry structure, simplify the Gray-to-binary conversion; reduce combinational logic, and increase the upper frequency limit of the Gray code...