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Microprocessors tutorials

Microprocessors
Before Moving Ahead with the Microprocessors tutorials, Lets have a look at what we will learn in these Topics.

By the end of this Subject, we will be able to learn:

Microprocessor – Personal computers and their typical uses

A Computer is a programmable machine. The two principal characteristics of a computer are: It responds to a specific set of instructions in a well-defined Read More »

Microprocessor – Typical Organisation Of A Microcomputer System

Microcomputer Organization:   The basic components of a microcomputer are: 1) CPU 2) Program memory 3) Data memory 4) Output ports 5) Input ports 6) Read More »

Microprocessor – Brief idea of Machine & Assembly Languages

FUNDAMENTALS OF PROGRAMMING: It is very difficult for the user to write his program directly in machine code. 2t is more common to write the Read More »

Microprocessor – Memories and IO Interfacing

IO Interfacing INPUT/OUTPUT Techniques In all process content applications, Microprocessor would like to communicate with different I/O devices for data transfers is transfer of data between Read More »

Microprocessor – Instruction Format And Addressing Mode

INSTRUCTION FORMAT:   All instruction of 8085are 1 to 3 bytes in length .the bit pattern of the first cycle is the op code. The Read More »

Microprocessor – Concept Of Instruction Set

An instruction set is a group of commands for a CPU in machine language. The term can refer to all possible instructions for a CPU Read More »

Microprocessor – Concept Of Interrupt

8085 interrupt structure There are five interrupt input TRAP,RST 75,SRT 65,RST 55 and IWTR. TRAP is a nonmaskable interrupt, that is, it cannot be disabled by an Read More »

Microprocessor – Data transfer techniques – Sync data transfer, async data transfer

Synchronous data transfer Synchronous means “at the same time”.The device which sends data and the device which receives data are synchronized with the same clock.When Read More »

Microprocessor – Interrupt Driven Data Transfer

INTERRUPT I/O TRANSFER This is a device initiated Microprocessor controlled I/O transfer. A Microprocessor may be communicating other time. In the case of CPU initiated Read More »

Microprocessor – DMA(Direct Memory Access)

DMA D.M.A stands for direct memory access.D.M.A is also referred to as hardware controlled I/O, D.M.A is the only type of I/O transfer in which Read More »

Microprocessor – Serial IO (Serial Output Data,Serial Input Data)

Serial Input / Output data using 8085   8085 Microprocessor has two Serial Input/Output pins that are used to read/write one bit data to and Read More »

Microprocessor – 8085 Microprocessor

The salient features of 8085 µp are: • It is a 8 bit microprocessor. • It is manufactured with N-MOS technology. • It has 16-bit Read More »

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