8255A Programmable Peripheral Interface: 8255 is a programmable peripheral interface IC and is a multiport input/output device. This is a general-purpose programmable I/O device, which may be used with many…
8255 Interfacing with 8086: Fig. 14.17 shows the 8255 Interfacing with 8086 Microprocessor and Interfacing 8255 with 8085 Microprocessor in I/O mapped I/O technique. Here RD and WR signals are…
8255 Programming and Operation: The 8255 Programming and Operation are follows Programming in Mode 0: The Ports A, B and C can be configured as simple input or output ports by…
8255 Pin Diagram: Fig. 14.1 shows the 8255 Pin Diagram of Microprocessor. 8255 Block Diagram: Fig. 14.2 shows the internal 8255 block diagram of 8255 Pin Diagram Microprocessor. It consists…
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…
Microprocessor and Microcontroller Interview Questions and Answers: Following are the below Microprocessor and Microcontroller Interview Questions and Answers, Microprocessor and Microcontroller Important Questions and Answers 1. State the use of…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 9: 343. When an 8086 executes an INT type instruction, it (a) resets both IF and TF flags. (b) resets all…
Microprocessor Based Traffic Light Control: Nowadays microprocessors are used to implement the traffic control system. Figure 10.62 shows the simple model of Microprocessor Based Traffic Light Control. The various control…