How to do the 8051 chip memory mapping

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naspek

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hey there..
i've got one problem here..

Design the full circuit diagram 8051 chip connecting to an external ROM chip with memory capacity of 8K*8 bits running on 12MHz and 5V DC power supply
complete with the power on reset and manual reset..

ok.. now.. plz guide me or give me any link so that i can solve the question above.. lecture notes given by my lecturer was too short and really hard to understand it..:sad:
 

Re: 8051 memory mapping

read mazadi book or
**broken link removed**
**broken link removed**
 
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    naspek

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Re: 8051 memory mapping

Hi Ianp,



Is it possible to connect the /CE to ALE pin?
 
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    IanP

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Re: 8051 memory mapping

Is it possible to connect the /CE to ALE pin?
Click to expand...

Looking at the timing figures for the external program memory fetches it may be possible, but I’d rather connect the /CE pin to GND and keep peace of mind ..

IanP
;-)
 
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    Help

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Re: 8051 memory mapping

Ya, you are rite. Thanks for your advice.
 
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