Microprocessor20795 marksProgrammable Peripheral Interface 8255A
What is the purpose of Programmable Peripheral Interface 8255A? Explain about its different ports.
What is the purpose of Programmable Peripheral Interface 8255A? Explain about its different ports. [5]
The 8255A is a widely used programmable parallel I/O device designed to interface a microprocessor with peripheral devices. Its main purposes are: - It can be programmed to transfer data under various conditions, ranging from simple I/O to interrupt-driven I/O. - It is flexible, versatile, and ec...