1. A processor, comprising: a RISC CPU core; a plurality of peripherals, the plurality of peripherals including one or more configurable logic cell peripherals, wherein each of the one or more configurable logic cell peripherals comprises an associated configuration register and wherein a plurality of bits in said associated configuration register determines a logic function of the associated logic cell provided by a logic function block, wherein each logic function block has a plurality of logic inputs and a single logic output and a mode control input coupled with said plurality of bits of the associated configuration register.