Verilog Code for dff_fe_asyn_h is mentioned below:-
//DFF module with asynchronous active high reset with negative
edge trigger with clock
module dff_fe_asyn_h (
input clock, // Clock Input
input reset, // Reset Input
input data_in, // Input Data
output reg data_out // Output Data
);
always @ (negedge clock or posedge reset) // triggers at the
negative edge of the clock
begin
if (reset) // Asynchronous Active High reset
data_out <= 1'b0;
else
data_out <= data_in; // When reset is not present then it
forward the input data to output
end
endmodule
TEST BENCH:
module tb;
reg rclock,rreset,rdata_in;
wire wdata_out;
dff_fe_asyn_h m1(rclock,rreset,rdata_in,wdata_out);
always
#5 rclock=!rclock;
initial
begin
rclock=0;
@(negedge rclock)
rreset=1;
@(negedge rclock)
rreset=0;
$display(wdata_out);
rdata_in=1;
@(negedge rclock)
$display(wdata_out);
#100 $finish;
end
endmodule
Write a test bench to thoroughly test the Verilog module dff_fe_asyn_h. below is the module ddff_fe_asyn_h.code...
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10.21 Write a behavioral Verilog module vrDnegEc for a negative-edge-triggered D flip-flop with enable and asynchronous active-low clear. Also write a test bench that instantiates your flip-flop and exercises its operation for a comprehensive input sequence.
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Problem 1. a) Write a behavioral model of J-K flip-flop with active-low asynchronous reset. b) Write a proper test-bench and stimulus, thoroughly test your J-K-FlipFlop. Also, show your waveform and describe why your JK-FF does what is is designed to do. Problem 2. a) Write a Verilog module that will assert its output if a 4-bit input binary word is even. b) Show the waveform for two input patterns “1100” and “0101”
Each FF has an asynchronous active-low clear signal. The asynchronous active-low clear signal clears the FF and uses this signal to set the initial output of the FF to zero. (Active-low clear: clear when clear signal is low (0)). Implement negative edge-triggered T FF using Verilog code. At this time, The interface is as follows. Module t_ff (input t, input clk, input clearb, output q); How the waveform of q changes when the value of input t changes sequentially to...
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