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Atmega32 reset issue

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Discussion in 'Microcontrollers, Programming and IoT' started by Sinboy, Feb 22, 2016.

Feb 22, 2016 #1

Sinboy

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Feb 22, 2016

I am using Atmega32 microcontroller for display some features(such as frequency), it display all according to my programming, but my circuit continually make reset automatically. what is the problem, kindly help?
Feb 22, 2016 #2
Harald Kapp Moderator Moderator

10,228

2,204

Nov 17, 2011
We cannot help without knowing more detail. Show us your circuit diagram.

What kind of power supply do you use?

Is there a noticeable correlation of the reset with some other event (e.g. a machine turning on or off)?

What is "continually"? How often per minute or in which interval do the resets occur?

Harald
Feb 22, 2016 #3

Sinboy

2

0

Feb 22, 2016

for power supply, I am using 7805 voltage regulator.
3 to 4 times in a second, due to which my program for calculating events in 1 second(frequency) can't calculate, as it goes again to initial stage of program
Mar 2, 2016 #4

Harald Kapp Moderator Moderator

10,228

2,204

Nov 17, 2011

Can you confirm this is a hadrware reset? Or maybe it is a software reset?
Are you using any watchdog timers?

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