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IIR Filter with AVR STUDIO (Atmega8535 8bit)
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Klelia
Fri Jan 30 2009, 07:37AM
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Hi all,

I have to realize an IIR filter on ATmega8535 using AVR studio.

I know how this filter works.

But i've some questions:

1)

Atmega8535 is an 8-bit microcontroller.
I'd like to represent filter coefficient and IN/OUT sample as 16-bit numbers.
How is the best notation (floating point, fixed point,etc) ?

2)

I have to generate input samples using Matlab.
So, i'll create a Stimuli file with this "values" of the input.
But.. I don't know how i can create this file! I know that there are
some graphical tool for creating it, but, probably, i can't understand
how the stimuli file represent.
Can someone try to explain this to me?!

Thank you.
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reza_pic
Wed Feb 17 2010, 03:59PM
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Joined: Thu Sep 18 2008, 04:17PM

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best thing for u is migration to dspic family (dspic33f)
all of features u need is in this family but these chips are hard to learning .

good luck

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