A microprocessor is a processing unit on a single chip. It is an integrated circuit which performs the core functions of a computer CPU. It is a multipurpose programm...
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Problem – Interface 8255 with 8085 microprocessor and write an assembly language program to display 99 in Port A, 1’s complement of 99 in Port B, and 2&...
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Prerequisite – 8254 Control Register and Operating modes
Problem – Write an assembly language program in 8085 microprocessor which generates 1 KHz squar...
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8255 is a popularly used parallel, programmable input-output device. It can be used to transfer data under various condition from simple input-output to interrupt inp...
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Bus is a group of conducting wires which carries information, all the peripherals are connected to microprocessor through Bus.
Diagram to represent bus organization s...
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A Microprocessor is an important part of a computer architecture without which you be able to perform any thing on your computer system. It is a programmable device t...
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Intel x86 architecture has evolved over the years. From a 29, 000 transistors microprocessor 8086 that was the first introduced to a quad core Intel core 2 which co...
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8259 microprocessor can be programmed according to given interrupts condition and it can be provided either with level or edge triggered interrupt level.
It can be ...
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8259 microprocessor is defined as Programmable Interrupt Controller (PIC) microprocessor. There are 5 hardware interrupts and 2 hardware interrupts in 8085 and 8086 r...
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Prerequisite – 8259 PIC Microprocessor
8251 universal synchronous asynchronous receiver transmitter (USART) acts as a mediator between microprocessor and perip...
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