Category: INTERFACING ICS

Features of 8255 Microprocessor

Features of 8255 Microprocessor: Features of 8255 Microprocessor – Here we see programmable peripheral interface (PPI), 8255, designed by Intel. It is a general purpose programmable I/O device used for parallel data transfer. It has 24 I/O pins which can be grouped in three 8-bit parallel ports : Port A, Port B and Port C. […]