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improving video color resolution on 8 bit port

 
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benoit

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Joined: 24 Jul 2007
Posts: 163

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PostPosted: Fri Nov 09, 2018 1:30 pm    Post subject: improving video color resolution on 8 bit port Reply with quote

to improve number of color generated by an avr 8 bit port the following solution can be done

just add a tri state condition so There is 0V AND 2.5V AND 5 VOLT ON ONE WIRE

have fun with video
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benoit

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Joined: 24 Jul 2007
Posts: 163

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PostPosted: Sat Nov 10, 2018 6:26 pm    Post subject: Reply with quote

HI
LOL AND MUCH MORE IF THE INTERNAL PULL UP ARE ACTIVATED IT WILL MAKE ONE BYTE MORE COLOR IMPROVEMENT

HAVE VERY FUN
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benoit

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Joined: 24 Jul 2007
Posts: 163

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PostPosted: Sun Nov 11, 2018 9:23 am    Post subject: Reply with quote

OPTIMAL SCHEMATIC WITH COLOR CODE ONTO 3 BYTE
ONE byte for output value
one byte for ddr input/output
one byte for pull up resistor on/off

have fun
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