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- Digital Design and Embedded Programming
- Microcontrollers
- Thread starteravr_micro
- Start dateAug 22, 2005
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- Aug 22, 2005
- #1
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avr_micro
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Hello.I have started to learn proteus and i designed a avr based schematic .But the simulation speed is very very low(0.000001 second/step).How can i increment simulation speed?
- Aug 22, 2005
- #2
ful babu
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Re: proteus too slow!
i had same problem with PICs , cek tat the sample files run in normal speed, i cudnt fix the problem completely, try removing the crystal and putting mcu speed at 1Mhz in its properties
regards
- Aug 22, 2005
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Fragrance
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Re: proteus too slow!
avr_micro said:
Hello.I have started to learn proteus and i designed a avr based schematic .But the simulation speed is very very low(0.000001 second/step).How can i increment simulation speed?
if possible pm me your dsn file along with code so i can see what wrong and also help out you
- Oct 6, 2005
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maxer
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Re: proteus too slow!
i have also this problem tooooooo slowwwww.
i'm using avr micros the problem persists with any of them mega128,mega32, mega16,mega8
using xtal 2mhz or 4mhz or removing it will not solve the problem.
the design contains a 16x2 lcd text and some resistors and nothing else.
what the hell could that be be??
p.s. tried in different computers!
regards
maXer
- Oct 11, 2005
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Iain
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Re: proteus too slow!
If you can post your source and dsn file we'll have a look.
Typically this happens when you externally wire a crystal etc. - this introduces an extremely high speed oscillator which bottlenecks the simulation and is completely superfluous anyway. Clock frequency is specified as a property of the microcontroller device.
Iain.
- Oct 18, 2005
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maxer
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Re: proteus too slow!
no i have the same design now in a new computer which runs much faster...
but not yet too fast...
i think it depends from crystal propterties but also fuse settings ...
and have a look at ur source if you have anything like polling which may cause delays....
maxer
- Oct 18, 2005
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ikarakaya
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Re: proteus too slow!
i had same problem with f877. i am using CCS pic c. when i started ending code with infinite loop [while(1)] the problem never occured again. Most of my codes never reach that infinite loop, it stays there but never used. I hope it works for you.
- Oct 18, 2005
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Iain
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Re: proteus too slow!
Anyone have a design and source showing this that they can UL so we can look at it ??
Iain.
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