URL https://opencores.org/ocsvn/qaz_libs/qaz_libs/trunk

Subversion Repositories qaz_libs

[/] [qaz_libs/] [trunk/] [BFM/] [src/] [clock/] [tb_clk.v] - Blame information for rev 49

Line No.	Rev	Author	Line
1	34	qaztronic	`// --------------------------------------------------------------------`
2			`//`
3			`// --------------------------------------------------------------------`
4
5			`timescale 10ps/1ps
6
7
8			`module`
9			`tb_clk`
10			`#(`
11			`parameter CLK_DUTY_CYCLE = 50,`
12			`parameter CLK_PERIOD = 32`
13			`)`
14			`(`
15			`output reg clock`
16			`);`
17
18			`initial`
19			`clock <= 1'b1;`
20
21			`always`
22			`if(CLK_DUTY_CYCLE == 50)`
23			`#(CLK_PERIOD/2) clock <= ~clock;`
24			`else`
25			`if(clock)`
26			`#(CLK_PERIOD * (CLK_DUTY_CYCLE/100)) clock <= ~clock;`
27			`else`
28			`#(CLK_PERIOD * ( (100 - CLK_DUTY_CYCLE)/100 ) ) clock <= ~clock;`
29
30			`endmodule`
31