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xilinx coe file
In fact, to generate Xilinx coe file is to transform decade to binary of hex data. Matlab is very helpful. When using Xilinx IP Core to generate RAM with initialization file or ROM with .coe file, the top two line is:
MEMORY_INITIALIZATION_RADIX=2...
design cic
you can download some paper from IEEE which can help you much.
An economical class of digital filters for decimation and interpolation.pdf
This paper is a good paper and it introduces CIC filter first.
Re: rom hex file
hello, you can use matlab which can help you to convert decimal integer to hex format and write into a file with the vendor needed format.
the matlab function: dec2hex can help you.
good luck.
Re: help in vhdl code.......
2 : process(CLK) ---sensitive but you donot use it in your process.
begin
if ( ADS_N ='0') then
if(LA = "11") then
COUNT <= TRUE;
else
COUNT <= FALSE;
end if;
end if ;
if (COUNT = TRUE )then
CNT <= CNT + 1;
end if;
end process X2;
--signal generation...
hello
the fir coefficients are decided by factors list below:
1. sample rate;
2. band width of expected signal;
3. decimation factor
you can get some information from GC1012a.pdf which is a userguide of GC1012.
GC1012 is a special DDC(Digital Down Converter) chip.
Re: timing analysis ?
Of course, timing analysis is very important for a project. It can help you to find out if the project can work on your expected frequency.
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