Microprocessors: RISC and CISC Set 2

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...

Interface 8255 with 8085 microprocessor for 1’s and 2’s complement of a number

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&...

Interface 8254 PIT with 8085 microprocessor

Prerequisite – 8254 Control Register and Operating modes Problem – Write an assembly language program in 8085 microprocessor which generates 1 KHz squar...

Microprocessor 8255 (programmable peripheral interface)

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...

Bus organization of 8085 microprocessor

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...

Microprocessor

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...

Microprocessor Intel x86 evolution and main features

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...

Block Diagram of 8259 Microprocessor

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 ...

8259 PIC Microprocessor

8259 microprocessor is defined as Programmable Interrupt Controller (PIC) microprocessor. There are 5 hardware interrupts and 2 hardware interrupts in 8085 and 8086 r...

Microprocessor 8251 USART

Prerequisite – 8259 PIC Microprocessor 8251 universal synchronous asynchronous receiver transmitter (USART) acts as a mediator between microprocessor and perip...