Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!mintaka!bloom-beacon!daemon From: chuck@mitlns.mit.edu Newsgroups: sci.electronics Subject: Re: micro-controller Message-ID: <1990Sep27.171111.5553@athena.mit.edu> Date: 27 Sep 90 20:04:19 GMT Sender: daemon@athena.mit.edu (Mr Background) Distribution: sci.electronics Organization: M.I.T. Lab for Nuclear Science Lines: 23 -Message-Text-Follows- In article <656@isgtec.UUCP>, bmw@isgtec.uucp (Bruce M. Walker) writes... >In article llee@rocket.uucp (Leonard Lee) writes: >> Here's what I need: >> >controller, they all have a CMOS PIC inside. The instruction set is as >weird as is possible for a human mind to create; that is to say, it >makes a Z80 look orthogonal. I don't believe they have an E[E]PROM >version, you have to use an expensive development system. > >Motorola makes a nice CMOS 6805-family part in a 24 pin package. Look >for the 1468705xxx where xxx is some string of E's and other upper case >letters. Pretty sure there's an OTP version now, too. The instruction >set is a 6800's that has been chopped in half -- literally: one 8 bit >ACC (instead of two), the X register is 8 bits (instead of 16), etc. This is obsolete the recomended parts are 68HC... They have bothe registers et. Chuck@mitln.mit.edu