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Dimitree
Reged: 05/11/13
Posts: 3
Loc: Italy
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simulation of a digital circuit
12/26/13 05:15 PM


Hi everyone, my name is Dimitri,
this is a bit off-topic since it's not related to MAME, but I believe you can help me here.
I'm trying to understand how a circuit I own works. It uses many 7400 and 4000 series logic, and my aim is to emulate its functions using a microcontroller. I'm a programmer but quite poor with digital electronic.
I was wondering if there were a simple way to simulate this circuit on my computer in order to understand the logic involved.
Essentially it is an audio echo machine from '80s: the analog audio is converted to digital (with a SAR + DAC), then stored into DRAM and converted back to digital after some time. The part that I'm trying to simulate is the DRAM controller and the logic needed to start-stop the conversion.
I tried LTSpice and Proteus ISIS but I wish there was a simpler and more friendly software.
Thanks and sorry for my english.
Dimitri







Entire thread
Subject Posted by Posted on
* simulation of a digital circuit Dimitree 12/26/13 05:15 PM
. * Re: simulation of a digital circuit RetroRepair  12/29/13 04:32 PM
. * Re: simulation of a digital circuit Dimitree  12/31/13 12:01 AM
. * Re: simulation of a digital circuit sz72  12/31/13 08:49 AM
. * Re: simulation of a digital circuit Dimitree  01/04/14 03:56 PM
. * Re: simulation of a digital circuit sz72  01/05/14 10:24 PM
. * Re: simulation of a digital circuit italieAdministrator  01/04/14 05:28 PM
. * Re: simulation of a digital circuit Phil Bennett  12/29/13 03:02 PM

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