Interfacing devices – Care4you https://care4you.in Jobs, Engineering, Notes, Quiz, Competetions Mon, 10 May 2021 05:06:37 +0000 en-US hourly 1 https://wordpress.org/?v=5.7.12 https://care4you.in/wp-content/uploads/2020/06/cropped-care4youfav-32x32.png Interfacing devices – Care4you https://care4you.in 32 32 8255 Programmable Peripheral Interface https://care4you.in/8255-programmable-peripheral-interface/ https://care4you.in/8255-programmable-peripheral-interface/#respond Fri, 13 Mar 2020 11:33:06 +0000 https://care4you.in/?p=984 8255 Programmable Peripheral Interface Introduction: 8085 microprocessor need the interface ICs to interface with the I/O devices. In this lecture we focus on 8255 a programmable peripheral interface. Features of 8255 40 pin IC. 24 I/O pins divided into 3 groups, Port-A, Port-B, and Port-C. Port C can be used as a single 8-bit port...

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