>I have a question:
>
>Design:
>
>        -  Two serial Ports (Both running at 9600 simultaneously)
>        -  LCD + Keypad
>        -  64Kx8 FLASH (PROGAM STORAGE)
>        -  64kx8 SRAM (DATA STORAGE)
>
>I need to decide on a processor for this solution.
>
>My main concern is the PIC's external memory access, it only has an
>external program bus, however table read and writes can be done for
>data,  is this system as quick/efficient as an 8051 core.??

You might consider using a serial EEPROM device.  I dunno if this is
relevant to your design, but it solves the problem of no address bus.

-Matt


  "DOS Computers manufactured by companies such as IBM, Compaq, Tandy, and
millions of others are by far the most popular, with about 70 million
machines in use wordwide. Macintosh fans, on the other hand, may note that
cockroaches are far more numerous than humans, and that numbers alone do
not denote a higher life form."