Handshaking signals - PowerPoint PPT Presentation

COMP2121: Microprocessors and Interfacing

COMP2121: Microprocessors and Interfacing. Serial Input/Output http://www.cse.unsw.edu.au/~cs2121 Lecturer: Hui Wu Session 2, 2017. Overview. The Components of Asynchronous Communication Systems Standards for the Serial I/O Interface RS232-C and Other Standards

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8255:Programmable Peripheral Interface

8255:Programmable Peripheral Interface. Block Diagram. Function of pins:. Data bus(D 0 -D 7 ) :These are 8-bit bi-directional buses, connected to 8085 data bus for transferring data. CS: This is Active Low signal. When it is low, then data is transfer from 8085.

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4.52k views • 16 slides

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