About this document
I/O Instructions and 8255A Overview by deepanudeep05 is a document available to read on EtoBox.
The document provides an overview of I/O instruction modes for microprocessors, detailing Direct, Indirect, and String I/O operations. It specifically discusses the 8255A Programmable Peripheral Interface, its ports, functions, and operational modes, including Mode 0, Mode 1, and Mode 2. Additionally, it includes examples of initialization and programming for the 8255A, as well as an assembly language program for interfacing with a keyboard.
- Author
- deepanudeep05
- Language
- EN