My 2 pence...   

>> In addition to the recent "CPU discussion", I want to point at the
>AB180-20
>> microprocessor made by AB-Semicon.
(...)
>> * 20MHz, 20 MIPS
>
>Z180: 33MHz, don't know about MIPS.

        Well, everybody knows that more Megahertz doesn�t mean to be faster. But
20 MIPS... It�s very nice, 20 million instructions per second... =)     

>> * two 16-bit timers
>
>Z180 has even got an entire RS232 interface built into it!!!

        Hmmm, don�t know if it�s better or not...       

>> * MMU
>
>Don't know about that...

        Memory Management Unit. Very useful.    

>> The AB181E-20 microprocessor has an additional fixed math accelerator.
>> Anyone familiar with this CPU? Could this be a third alternative?
>
>No. Then you could as well use the Z180, which is almost the same, and runs
>at a higher (clock) speed.
>
>It was a nice suggestion though.

        Don�t think so. Should be investigated further, IMHO.

                

________________________________________________________________________
Ricardo Jurczyk Pinheiro - ICQ UIN:3635907 - [EMAIL PROTECTED]|_Sola  Scriptura |
http://i.am/rjp -M.Sc. Numerical Modelling (hope so!)  |_ Sola Gratia  |
UFF - Niteroi - RJ - Brazil  -  [EMAIL PROTECTED]    _|  Sola Fide  |
MSX, ST, B5, X-F, Anime, Christian, Maths, CuD, Linux!_|  Solo Cristi  |
Christian, Rock, Comics, Transformers, and hate M$!  | Soli Deo Gloria |
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