Discussion in "8051 Discussion Forum" started by    bastik    Jan 12, 2018.
Fri Jan 12 2018, 10:37 AM
#1
I have device with SAB80C535 microcontroller and I was wondering if any one had a good substitute for this microcontroller? (which is of course still produced and can be bought)
Fri Jan 12 2018, 06:30 PM
#2
What exactly is your situation ?
I very much doubt there is a drop in replacement.
If your are able to redesign the board
and write your own software there are several options.

There are several SAB 80535 on ebay, some from your country.


[ Edited Sat Jan 13 2018, 02:50 AM ]
Sat Jan 13 2018, 09:38 PM
#3
For now I don’t have much information about device in which this microcontroller is installed. My task is to replace SAB80C535 with a newer microcontroller that is currently being manufactured. It is obvious that the board will have to be redesigned. I know that my answer contains not much information, unfortunately I do not know much more about this device. I just got the task of replacing the microcontroller with something newer. From what I know the device is equipped with external memory (Am27C256, SRM2264LCT), counter (PD71054) and 8-Bit ADC converter. The program was probably written in assembly language. So I assume that the new microcontroller should be popular, cheap and 8 bit.
Sat Jan 13 2018, 10:26 PM
#4
This is clearly an old design.
A modern microcontroller will almost certainly combine
the controller ,Am27C256, SRM2264LCT, PD71054
and ADC converter into one chip.

There are MANY devices from several families that could do this cheaply.

If you have the original software you can find out what it did,
and think about how to reproduce it.

Whoever gave you the job, will have to give you all the information,
before you can do anything.

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Posted By ExperimenterUK
Sat Jan 13 2018, 10:26 PM
This is clearly an old design.A modern microcontr...
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Posted By bastik
Sat Jan 13 2018, 09:38 PM
For now I don’t have much information about device...
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Fri Jan 12 2018, 06:49 PM
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Posted By ExperimenterUK
Fri Jan 12 2018, 06:30 PM
What exactly is your situation ?I very much doubt ...
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Fri Jan 12 2018, 04:32 PM
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Posted By bastik
Fri Jan 12 2018, 10:37 AM
I have device with SAB80C535 microcontroller and I...
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