> With the 16 bit instruction width, you get
> 1) 120 instructions
> 2) 32 X 8 bit general purpose working registers
> 3) Linear memory space (no banking shit)
>
> These three features take you waaaaay further than
> twice the 14 bit memory in a PIC. Check your code -
> you will find that the banking commands take up
> *at least* 17% (up to 25%) of your code space in a PIC.
> Add 8 MIPS and a stack that you can read/write to.

I have an application in HiTech C that fills a 16F84 and I
wanted to grow it a bit further. ICC announced a trial for their AVR
compiler so I gave it a shot and didn't get the results I expected.
PIC - 986 words
AVR - 2200 words
Changing the pin bashed serial code to use the UART brought that down
to 1750 words but that still doesn't help much.

I've used the AVR for a couple of things and I was quite suprised
both that the results were this way around and by how much.

Anyone else have any real unbiased data ?

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Steve Baldwin                Electronic Product Design
TLA Microsystems Ltd         Microcontroller Specialists
PO Box 15-680, New Lynn      http://www.tla.co.nz
Auckland, New Zealand        ph  +64 9 820-2221
email: steveb@tla.co.nz      fax +64 9 820-1929
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