Microcode

Microcode refers to the microinstructions, especially the microprocessor, that control the details of the operation. Microcoded functions can improve performance, but they add an extra layer of complexity. For example, microcode bugs in software appear as hardware bugs.

Meanings of Microcode

1. Collective firmware in a processor used to machine instructions.

2. Write or rewrite (program instructions) in microcode, usually to optimize performance.