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Since the board layout is totally unknown with what you have explained, it could be that the leds are connected to each other and therefore are both blinking.
If that isn' t the problem, than maybe you should post a board layout, or the name of the board. Maybe even the code can help
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the board i am using is nios development board stratix edition containing startix EP1S40F780C5. The layout of the board is not available online, i tried many times searching for that, even posted a requested in altera forums but nobody replied.
It will be great if you can help me out. I am also providing the source code.
Hope to hear from you soon.
module UpDown(clk, clk_s, clk_s1, count);
input clk;
wire reset;
wire enable;
output reg[25:0]count;
output reg clk_s;
output reg clk_s1;
assign reset =0;
assign enable=1;
always @ (posedge clk)
begin
// If reset is 1
if (reset == 1'b1)
begin
count <= 26'h0000000;
clk_s <= 0;
clk_s1 <=0;
end
// If counter is enabled
else if (enable == 1'b1)
begin
count <= count + 1'b1;
if (count == 26'h2faf080)
begin
count <= 26'h0000000;
clk_s <= ~clk_s;
clk_s1<= ~clk_s1;
end
end
end
endmodule
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