atmega 32 PORTD input problem

[PRAVIN CHAN]

I am using pin 7 – 4 of portD as input and 0-3 as output pin.. But I cant read the value of the PortD input it is always logical zero.. i had enabled internal pull up.. 

 

 

DDRB=0x0F;

PORTD=0xF0

[dagakshay]

see the link and let me know till where you have reached

http://www.engineersgarage.com/embedded/avr-microcontroller-projects/setting-input-pin-circuit

[Hristo]

Have you tried to disable your JTAG , I think that this will help !

[Author]

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