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PORTD as an input and PORTC as an output

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beeboss

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Hi all,

Im using ATmega8535. I want to give the input through the PORTD and i want the output from PORTC. Im new to the AVR. anyone please send the C code for the same.

Thanks...
 

DDR (Data Direction Register) is set to 0x00 (all inputs) by default. To make all lines on PORTC outputs, use the following command:

DDRC = 0xff;
 

I like this tutorial
it has some nice graphics with a good explanation of port registers
 
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