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Message

Re: [AVR-Chat] Re: something a bit faster

2005-02-08 by Paul Maddox

Hi,

> my name indicates that I am a little biased ;-)

thats ok :-)

> For floating point it helps a lot to have a 32-bit architecture at a
> similar price. Hope I won'y get banned for helping somebody out here.

yep, I agree 32 bit would be lovelly.

> A little faster could be an ARM7 running at up to 60 MHz like the
> LPC2000 family from Philips.

carefull with 'a little faster' ;-)

I looked at these, I even have one of the eval kits, you know why I don't
use it?
The IO is too slow, 3.4Mhz!!!! The AVR can toggle a pin at 8Mhz (it runs at
16Mhz).
So, I've got this nice fast CPU, that I have to keep stopping each time I
want to play with the IO, like this -
write a byte,
wait for 300ns,
toggle a bit,
wait for 300ns,
toggle the bit back..
thats complete insanity!!

Its a really BIG shame as I had several uses for it, but I'm sorry the IO is
just absurdly slow.
A waste of, potentially, a great chip!

So for me, its useless. BTW, if anyone is interested I have one of the MB40
eval boards with LPC2106 and LCD for sale.

Paul

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