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