OngoingProgrammable peripheral interface 8255 simulation board
STDProgrammable peripheral interface 8255 simulation board
License
：Public Domain
Description
PPI 8255 is a general-purpose programmable I/O device designed to interface the CPU with its outside world such as ADC, DAC, keyboard etc. We can program it according to the given condition. It can be used with almost any microprocessor. It consists of three 8-bit bidirectional I/O ports i.e. PORT A, PORT B and PORT C. We can assign different ports as input or output functions
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