Microprocessor recommendations?
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From: Frank-Christian Kruegel on 19 Dec 2006 13:57 On 17 Dec 2006 20:21:29 -0800, "Rocky" <robert(a)rands.co.za> wrote: >> Then why give up on the Z80? The Rabbit is one at heart, except >> that they have removed some original opcodes so it won't run any >> old code. > >Hi Chuck, > >The problem with the Z80 is that the current chips only run at 20MHz - >the Rabbit will do 60MHz. Also the Rabbit does 2 clocks per instuction >and the Z180 is 3 clocks. (Short instructions :)) The Zilog eZ80F91 runs at 50 MHz, most instructions need two cycles, it runs all Z80 software, and it has a linear 16 MB address space and 24 bit registers. Mit freundlichen Gr��en Frank-Christian Kr�gel
From: CBFalconer on 19 Dec 2006 14:59 chris wrote: > > You can join the NetBurner community here: > http://tech.groups.yahoo.com/group/netburner_group/ .... Please don't top-post. Read the following links. -- Some informative links: <news:news.announce.newusers <http://www.geocities.com/nnqweb/> <http://www.catb.org/~esr/faqs/smart-questions.html> <http://www.caliburn.nl/topposting.html> <http://www.netmeister.org/news/learn2quote.html> <http://cfaj.freeshell.org/google/>
From: chris on 19 Dec 2006 17:48 CBFalconer wrote: > Please don't top-post. Read the following links. > <news:news.announce.newusers > <http://www.geocities.com/nnqweb/> > <http://www.catb.org/~esr/faqs/smart-questions.html> > <http://www.caliburn.nl/topposting.html> > <http://www.netmeister.org/news/learn2quote.html> > <http://cfaj.freeshell.org/google/> Got it. Great arguments bottom-posting. :)
From: CBFalconer on 19 Dec 2006 18:16 chris wrote: > CBFalconer wrote: > >> Please don't top-post. Read the following links. >> <news:news.announce.newusers >> <http://www.geocities.com/nnqweb/> >> <http://www.catb.org/~esr/faqs/smart-questions.html> >> <http://www.caliburn.nl/topposting.html> >> <http://www.netmeister.org/news/learn2quote.html> >> <http://cfaj.freeshell.org/google/> > > Got it. Great arguments bottom-posting. :) Good for you. This is why we complain, to educate people who have never used usenet before. When we hit co-operative people like you everybody gains. -- Chuck F (cbfalconer at maineline dot net) Available for consulting/temporary embedded and systems. <http://cbfalconer.home.att.net>
From: Rocky on 20 Dec 2006 00:10
Frank-Christian Kruegel wrote: > On 17 Dec 2006 20:21:29 -0800, "Rocky" <robert(a)rands.co.za> wrote: > > > >> Then why give up on the Z80? The Rabbit is one at heart, except > >> that they have removed some original opcodes so it won't run any > >> old code. > > > >Hi Chuck, > > > >The problem with the Z80 is that the current chips only run at 20MHz - > >the Rabbit will do 60MHz. Also the Rabbit does 2 clocks per instuction > >and the Z180 is 3 clocks. (Short instructions :)) > > The Zilog eZ80F91 runs at 50 MHz, most instructions need two cycles, it runs > all Z80 software, and it has a linear 16 MB address space and 24 bit > registers. > Thanks for the info - I'll look it up. --Rocky |