Verilog 硬體描述語言
提供同學有關 Verilog 硬體描述語言 這門課的參考資訊.....
Wednesday, September 16, 2015
請104-上學期(104年9月)修課同學在這個訊息下, 留下自己的部落格網址....
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Monday, September 22, 2014
請103-上學期(103年9月)修課同學在這個訊息下, 留下自己的部落格網址....
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Thursday, March 20, 2014
1位元多工器 邏輯閘測試
/////////////////
//行為模式
/////////////////
module top;
integer ia,ib,is;
reg a,b,s
wire out;
mux_behavioral mux1(out,a,b,s);
initial
begin
for (ia=0; ia<=1; ia = ia+1)
begin
a = ia;
for (ib=0; ib<=1; ib = ib + 1)
begin
b = ib;
for (is=0; is<=1; is = is + 1)
begin
s = is;
#1 $display("a=%d b=%d s=%d out=%d",a,b,s,out);
end
end
end
end
endmodule
module mux_behavioral(OUT, A, B, SEL);
output OUT;
input A,B,SEL;
wire A,B,SEL;
reg OUT;
always @(A or B or SEL)
OUT = (A & SEL)|(B & ~SEL );
endmodule
//行為模式
/////////////////
module top;
integer ia,ib,is;
reg a,b,s
wire out;
mux_behavioral mux1(out,a,b,s);
initial
begin
for (ia=0; ia<=1; ia = ia+1)
begin
a = ia;
for (ib=0; ib<=1; ib = ib + 1)
begin
b = ib;
for (is=0; is<=1; is = is + 1)
begin
s = is;
#1 $display("a=%d b=%d s=%d out=%d",a,b,s,out);
end
end
end
end
endmodule
module mux_behavioral(OUT, A, B, SEL);
output OUT;
input A,B,SEL;
wire A,B,SEL;
reg OUT;
always @(A or B or SEL)
OUT = (A & SEL)|(B & ~SEL );
endmodule
/////////////////
//結構模式
/////////////////
//結構模式
/////////////////
module top
integer ia,ib,is;
reg a,b,s;
wire out;
mux_structural mux1(out,a,b,s);
initial
begin
for (ia=0; ia<=1; ia = ia+1)
begin
a = ia;
for (ib=0; ib<=1; ib = ib + 1)
begin
b = ib;
for (is=0; is<=1; is = is + 1)
begin
s = is;
#1 $display("a=%d b=%d s=%d out=%d",a,b,s,out);
end
end
end
end
endmodule
module mux_structural(OUT, A, B, SEL);
output OUT;
input A,B,SEL;
not I5 (sel_n, SEL);
and I6 (sel_a, A, SEL);
and I7 (sel_b, sel_n, B);
or I4 (OUT, sel_a, sel_b);
endmodule
Monday, June 17, 2013
請102-下學期(103年3月)修課同學在這個訊息下, 留下自己的部落格網址....
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Thursday, May 16, 2013
Thursday, April 25, 2013
一位元加法器行為模式設計與測試
module test_adder1;
reg a,b;
reg carry_in ;
wire sum;
wire carry_out;
adder1_behavorial A1(carry_out, sum, a, b, carry_in);
initial
begin
carry_in = 0; a = 0; b = 0;
# 100 if ( carry_in != 0 | sum !== 0)
$display(" 0+0+0=00 sum is WRONG!");
else
$display(" 0+0+0=00 sum is RIGHT!");
carry_in = 0; a = 0; b = 1;
# 100 if ( carry_in != 0 | sum !== 1)
$display(" 0+0+1=01 sum is WRONG!");
else
$display(" 0+0+1=01 sum is RIGHT!");
carry_in = 1; a = 1; b = 1;
# 100 if ( carry_in != 1 | sum !== 1)
$display(" 1+1+1=11 sum is WRONG!");
else
$display(" 1+1+1=11 sum is RIGHT!");
$finish;
end
endmodule
module adder1_behavorial (carry_out, sum, a, b, carry_in);
input a, b, carry_in;
output carry_out, sum;
assign sum = (~a&b&~carry_in)|(~carry_in&a&~b)|(a&b&carry_in);
assign carry_out = a&carry_in|a&b|b&carry_in;
endmodule
reg a,b;
reg carry_in ;
wire sum;
wire carry_out;
adder1_behavorial A1(carry_out, sum, a, b, carry_in);
initial
begin
carry_in = 0; a = 0; b = 0;
# 100 if ( carry_in != 0 | sum !== 0)
$display(" 0+0+0=00 sum is WRONG!");
else
$display(" 0+0+0=00 sum is RIGHT!");
carry_in = 0; a = 0; b = 1;
# 100 if ( carry_in != 0 | sum !== 1)
$display(" 0+0+1=01 sum is WRONG!");
else
$display(" 0+0+1=01 sum is RIGHT!");
carry_in = 1; a = 1; b = 1;
# 100 if ( carry_in != 1 | sum !== 1)
$display(" 1+1+1=11 sum is WRONG!");
else
$display(" 1+1+1=11 sum is RIGHT!");
$finish;
end
endmodule
module adder1_behavorial (carry_out, sum, a, b, carry_in);
input a, b, carry_in;
output carry_out, sum;
assign sum = (~a&b&~carry_in)|(~carry_in&a&~b)|(a&b&carry_in);
assign carry_out = a&carry_in|a&b|b&carry_in;
endmodule
Thursday, March 07, 2013
AND 邏輯閘測試
/////////////////
//行為模式
/////////////////
module top
integer ia,ib;
reg a,b;
wire out;
and_behavioral and1(out,a,b);
initial
begin
for (ia=0; ia<=1; ia = ia+1)
begin
a = ia;
for (ib=0; ib<=1; ib = ib + 1)
begin
b = ib;
#1 $display("a=%d b=%d out=%d",a,b,out);
end
end
end
endmodule
module and_behavioral(out,a,b);
input a,b;
output out;
wire a,b;
reg out;
always @(a or b)
out = a & b;
endmodule
/////////////////
//結構模式
/////////////////
module top;
wire A, B, OUT
system_clock #400 clock1(A);
system_clock #200 clock2(B);
and a1(OUT, A, B);
endmodule
module system_clock(clk);
parameter PERIOD=100;
output clk;
reg clk;
initial clk=0;
always
begin
#(PERIOD/2) clk=~clk;
end
always@(posedge clk)
if($time>1000)$stop;
endmodule
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http://www.c-to-verilog.com
請101-下學期(102年3月)修課同學在這個訊息下, 留下自己的部落格網址....
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S950001, XX, http:///????.blogspot.tw
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