This'll easily do it for $2.13 -- 256 KB FLASH + 32 KB RAM on a 40 MHz 32-bit ARM processor. http://www.digikey.com/product-detail/en/MB9AF314LAPMC1-G-JNE2/1534

This'll easily do it for $2.13 -- 256 KB FLASH + 32 KB RAM on a 40 MHz 32-bit ARM processor. http://www.digikey.com/product-detail/en/MB9AF314LAPMC1-G-JNE2/1534-1033-ND/4914770 http://www.digikey.com/product-detail/en/MB9AF314LAPMC1-G-JN... Microcontroller RAM is expensive, but FPGA RAM is even more-so.