Re: quieries related to math handling in micro controllers



On Fri, 29 Feb 2008 10:25:00 -0600, Tim Wescott <tim@xxxxxxxxxxxxxxxx>
wrote:

It's not clear what you mean by "mathematical processor". If you're
looking for a coprocessor to use with your 8051, I don't think anyone
makes those any more

There's the uM-FPU from <http://www.micromegacorp.com/index.html> that
supports single precision (32-bit IEEE 754). Some benchmarks at
<http://www.micromegacorp.com/downloads/documentation/AN041-Comparing%20WinAVR.pdf>

Doesn't save orders of magnitude in time. Of course, that depends on
the native processor's speed; an AVR at 16 MHz is probably a bit
zippier than most members of the 8051 family. The code space savings
may be the more significant in small micros, regardless of any speed
differences.

--
Rich Webb Norfolk, VA
.