Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!zaphod!caen!uflorida!cs.fau.edu!terryb From: terryb@cs.fau.edu (terry bohning) Newsgroups: sci.electronics Subject: Re: Minimum requirements for CPU Message-ID: Date: 15 Jan 91 16:27:31 GMT References: <12610@hubcap.clemson.edu> Sender: bbs@cs.fau.edu (Waffle BBS) Organization: Florida Atlantic University Lines: 19 tdaniel@hubcap.clemson.edu (tod daniels) writes: > > I've just started a project which will require some sort of control device > which must be capable of collecting data and storing it, then manipulating > it. > > I would like to use an 8085, and I'd like to know what are the bare essential > for running this chip?? I only need a small amount of RAM, some ROM, a way > to read brief ASCII data, and a way to poll about four different on/off > switches. Would I be better of to find a chip with on-chip ROM, RAM, and I/O > Or should I go for the 8085 with as many chips as are necessary to make this > project work?? > As a microprocessor, the 8085 was supplanted in price and performance by the Zilog Z80 quite a few years ago. In any event, for what you're doing, you may want to consider a microcomputer such as one of the 8051 family, which have RAM, I/O, and ROM (if you want) onboard. Get the MCS-51 family manuals from your local Intel sales office.