Arithmetic Instructions of 8085

Arithmetic instructions of 8085 perform arithmetic operations such as addition, subtraction, increment, and decrement. AdditionAny 8-bit number or the contents of a register or the...

Data Transfer Instructions In 8085

There are 5 types of instructions sets are available in the 8085 microprocessor. Today we are going to learn about the data transfer instructions...

8254 programmable interval timer

Introduction In a microprocessor Based system, we come across two important modes, i.e timer -> to provide delay and counter -> to count incoming pulses....

8255 PPI (Programmable Peripheral Interface)

Introduction The 8255 PPI is a programmable peripheral interface device.It is a general purpose programmable parallel I/O device.It contains 3 I/O ports which can be...

8259A Programmable Interrupt Controller

For applications where we require multiple interrupt sources, we need to use am external devices called a programmable interrupt controller (PIC). By connecting PIC to...

Interrupts in 8085 Microprocessor

Whenever more than one I/O device is connected to a microprocessor-based system, any one of the I/O devices may ask for service at any...

Instruction Set of 8085 Microprocessor | Classification of Instruction set of 8085 Microprocessor

In this lecture, we are going to learn about what is instructions, Instruction set of 8085 microprocessor, and the classification of instruction set of...

8085 Microprocessor | Architecture of 8085 Microprocessor

Introduction of Microprocessor: The most important technological invention in modern times is the "Microprocessor". This device consists of thousands of transistors on a chip, which...

Addressing Modes of 8085 Microprocessor

Addressing Modes : In this lecture, we are going to learn about the addressing modes of  8085 microprocessors and details of all addressing modes. The different...

What is Memory ? |Types of Memory in Microprocessor and Microcontroller

What is Memory? Any system which processes digital data needs a facility for storing the unprocessed, partially processed, and completely processed data. A subsystem of...

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