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From: rstevew@armory.com (Richard Steven Walz)
Subject: Re: help with 8085
Organization: The Armory
Date: Thu, 29 Dec 1994 14:43:30 GMT
Message-ID: <D1Ku8J.7JD@armory.com>
References: <kas219.36.2EFB9822@psu.edu> <JG67A0K.mgc2@delphi.com> <3dr714$r3u@hemp.imel.kyoto-u.ac.jp>
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In article <3dr714$r3u@hemp.imel.kyoto-u.ac.jp>,
Onat Ahmet <onat@turbine.kuee.kyoto-u.ac.jp> wrote:
>In article <JG67A0K.mgc2@delphi.com>
>
> keith soldavin <kas219@psu.edu> writes:
>  
><SNIP>
>>I also need to know how it is possible to connect an Intel 
>>8085 microcontroler to an EPROM memory chip.  I have tried following the 
>>limited diagrams in the Intel manual but I haven't had any luck.  My main 
>>problem with the interface is how to latch the address for the memory chip.  
>>If someone could send me a specific wiring diagram or the location to find one
>>I would be grateful.  Write to me at KAS219@psu.edu or just respond on this 
>>system.  Thanks in advance!
>>
>>    Keith Soldavin
>>    KAS219@psu.edu
>
>The 8085 is NOT a microcontroller; it is a CPU. What this roughly
>means is that you cannot get it to work just by hooking it up to
>a ROM. If you want to use it you must design the whole computer,
>complete with other modules, the absolute necessary ones being the
>input output (I/O)and ROM. The other way is to buy kits which are designed
>for general purpose applications that use 8085 (or others; the Z80
>for example is drop-in compatible, but it has extra capabilities,
>and infinite free software worldwide). 
>
>Since you are asking such a basic question yet want to do a 
>somewhat complicated task, it seems better if you sit and
>do some reading before going anywhere. Otherwise, you would
>amuse yourself only one evening probably, and abandon the project
>in frustration. The "Microcontroller Primer FAQ" which is posted
>here regularly is a good start for example. Other books 
>in the lines of "Microcomputer Design Fundamentals" should be
>easy to find at your local library/bookstore.
>
>Everyone here will be very happy to help you after you do your 
>homework right...
>
>Hope this helps.
>
>Ahmet ONAT


