microprocessor (integrated circuit) (µP)

An integrated circuit capable of all of the following:

a) operating on coded instructions;

b) carrying out, in accordance with the instructions:

1) the acceptance of coded data for processing and/or storage,
2) arithmetic and logical operations on the input data together with any relevant data stored in the internal registers of the microprocessor integrated circuit and/or in external memories, and
3) the delivery of coded data; and

c) accepting and/or delivering signals controlling and/or describing the operation or state of the microprocessor integrated circuit. (Ref. IEC 748‑2.)

NOTE The instructions may be fed in, built in, or held in an internal memory.