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Sunday, 26 April 2020

Four-bit binary counter with parallel load







Graphical Symbol of Four-bit binary counter with parallel load

Four-bit binary counter with parallel load

Functional Table of Four-bit binary counter with parallel load


fpga verilog code example
Verilog HDL of Four-bit binary counter with parallel load
module Bin-Counter-4bit-Par_Load (
output reg   [3: 0]  A-count,                    // Data output
output          C-out,                                  //Output any
input            [3: 0] Data-in,                      // Data input
input            Count,                                  //Active high to count
                      Load,                                   //Active high to load
                      CLK,                                   // Positive-edge sensitive
                      Clear                                   //Active low  
);
assign      C-out = Count & (~Load) & (A_count == 4'b111l);
always @ (posedge CLK, negedge Clear)
If (~Clear)                          A_count <= 4'b0000;
else If (Load)                      A_count <= data-in;
else If (Count)                    A_count  <= A_count + l'bl;
else                                     A_count <= A_count;            //redundant statement
endmodule


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