AVR-Chat

Larry

I didn't have AVCC connected. Now it is OK. Thanks for the hint.
I'm new with AVR's so that's why I miss things. With PICs I didn't hit 
this kind of problem.

Adrian

Larry Barello wrote:

> Do you have AVCC connected to +5v?
>
> -----Original Message-----
> From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com]On
> Behalf Of acemailone
> Sent: Friday, May 13, 2005 8:12 PM
> To: AVR-Chat@yahoogroups.com
> Subject: [AVR-Chat] Blinking leds on PortA and PortB - ATmega163
>
>
> I'm trying to blink some leds using an ATmega163. I have one led on
> PORTB.0 that goes to GND through a 4k7 resistor. This one works fine.
> A second led on PORTA.0 going to GND doesn't blink. If I connect it to
> VCC, then is blinking.
> I checked the datasheet of ATmega163 and I didn't see any difference for
> ports A and B when they are configured as general I/O.
> What could be the explanation?
>
> Adrian
>
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