> 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).

Corrcet, but calculations (instead of mere predicatability) must (also)
take into account
- the flash buffering
- the use of the peripheral bus

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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