(in order of importance)

* internal SRAM and FLASH ROM (protected from reading)

* instruction set similar to x86, including:
    instruction mnemonics,
    addressing modes,
    8-16-32bit regs,
    read/write 8-16-32bit from/to internal/external memory,

* 32megs of addressable external memory

* timers/counters, external IRQs, 32bits of memory-mapped I/O

* pin-count around 100 (32 for data, 32 for address, 32 for I/O)

Does it exist?

Thank you
Posted on 2007-08-18 14:30:39 by aleksaZR

Yes, sure it exists, it's called "FPGA + your HDL code" :)
Posted on 2007-08-20 05:48:54 by Maverick