Yahoo Groups archive

AVR-Chat

Index last updated: 2026-04-28 22:41 UTC

Message

Re: [AVR-Chat] Pin for Interrupts

2009-10-05 by enkitec@gmail.com

David Kelly wrote:
> On Mon, Oct 05, 2009 at 01:37:23PM -0300, enkitec@gmail.com wrote:
>   
>> ?????????? ????? ?????????? wrote:
>>     
>>> Hello.
>>>
>>> For example AtMega8535,AtMega16,AtMega32 have 3 interrupts from pins
>>> (INT0, INT1, INT2).
>>> Is there another Mega in Dip package with 4 interrupts from pins?
>>> Possibly generate interrupt (Falling edge) from any pin?
>>>
>>> Another idea check pin state in loop but possibly lose signal.
>>>       
>> Read the datasheet.
>>     
>
> Ditto.
>
>   
>> You can use the ICP pin or the ANA_COMP interrupt.
>>     
>
> Many devices have a pin change interrupt where if any pin (or a pin
> included in a mask) of a port changes. Commonly used to read keypad
> matrix.
>   

    Sure do, but unfortunately not the ones mentioned.

    Mark

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.