At 01:55 PM 5/20/2006 +0200, you wrote:

> > How is the timing for ARM chips?
> > Predictable like PIC or Atmel?
>
>Not as easy, but still calculateable. And ARM is 1:1, so a 60 MHz ARM is
>60 MIPS. That is: 32-bit MIPS. Adding two 64-bit values (caveat: in
>registers) takes 2 instructions. Try that with a (smaller) PIC or an
>AVR.

My understanding is that Philips and some others who are using the ARM7 core
for microcontrollers have opted for a variation that is leaves out the
cache memory and is thus deterministic (and uses a bit less silicon).

>Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com
->>Test equipment, parts OLED displys http://search.ebay.com/_W0QQsassZspeff


-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist