Help - in selecting proper ARM micro-controller

Hello to all,

From now i was devloping application using LPC 2138,
it has 32K RAM and 512K Flash. My programe is requiring more SRAM, as I am using 100k Image sensor,
it quite more image processing is there.

#1) can I get any flashless mc from LPC track itslef [so i could have minimmum changes in code if changing mc], but with more then 100k of SRAM ??

I have checked paramatric search of keil, i was unable to locate uc more then 64k in Philis LPC track.

#2) Is it possible to interface external SRAM with current LPC 2138 ???

#3) If I plan to go with ATMEL's controller AT91R40008 [or other uc with <100K SRAM and with very less or no flash. HOW MUCH MY CODE OF CURRENT APPLICATION SUPPOSE TO AFFECT??

In my code i have devloped GPIO modules, Camera IC's Drivers, serial interface modules and IAP modules.

Please guide me, it is critical for me

Regards,
mittal

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