Pdf microprocessor 8085 nilesh vengurlekar academia. The signals from the pins can be grouped as follows. Most of the 8088 pins and their functions are exactly similar to the corresponding pins of 8086. Pin diagram of 8085 microprocessor introduction to microprocessor computer science class 12 duration. Mvi b, 3eh move the data 3eh given in the instruction to b register. Moorthi and others published 8085 microprocessor notes find, read and cite all the research you need on researchgate. Adding more features to the 8080 microprocessors, 8085 was developed where it can address up to 64kb. This processor can be built with electronic logic circuits that are fabricated using the technologies like vlsi very large scale integration or lsi large scale integration. When power up the board, the 8085 fetches the instruction from the memory at location 0000h. Pin diagram and pin description of 8086 the following pin function descriptions are for the microprocessor 8086 in either minimum or maximum mode. Microprocessor is a multipurpose, programmable device that accepts digital data as input, processes it. Pin diagram of 8085 microprocessor with description 8085 is a general purpose microprocessor having 40 pins and works on single power supply.
Pin diagram of 8085 microprocesoor central processing unit. The pins of a 8085 microprocessor can be classified into seven groups. The following image depicts the pin diagram of 8085 microprocessor. It is 40 pin ic, requires 3 mhz speed of operation and clock cycle is 320 ns. An 8086 microprocessor is also a 40 pin ic but has few separate pin configuration for minimum and maximum mode which we will discuss in this article. Pin diagram and pin description of 8085 microprocessor. The intel 8085 microprocessor is a second generation microprocessor and is an eightbit processor designed in the year of 1976 with the nmos technology with a 40 pin dip, approximately consisting 6500 transistors having a power supply of 5v. Microprocessor 8086 pin configuration in microprocessor microprocessor 8086 pin configuration in microprocessor courses with reference manuals and examples pdf. Draw the pin configuration and functional pin diagram of. Pin diagram of 8085 microprocesoor free download as powerpoint presentation. Intel 8085 8bit microprocessor intel 8085 is an 8bit, nmos microprocessor. Microprocessor consists of an alu, register array, and a control unit. Ad7ad0, it carries the least significant 8bit address and data bus.
The microprocessor is a clockdriven semiconductor device consisting of electronic logic circuits manufactured by using either a largescale integration lsi or verylargescale integration vlsi technique. The time for the back cycle of the intel 8085 a2 is 200 ns. Microprocessor 8085 pin configuration tutorialspoint. The most significant 8 bits of the memory address or the 8 bits of the i0 address,3 stated during hold and halt modes. In each instruction, programmer has to specify 3 things.
In 1971, intel corporation came out with a 4bit microprocessor intel. Pin description of 8085 contd page2 the microprocessor is a clockdriven semiconductor device consisting of electronic logic circuits manufactured by using either a largescale integration lsi or verylargescale integration vlsi technique. Learn about the interrupts,maskable and nonmaskable interrupts. It is a 40 pin c package fabricated on a single lsi chip. The pin diagram of 8088microprocessor, assembly language. Pin diagram of intel 8085 microprocessor sreejith hrishikesan july 01, 2019.
Jan 17, 2018 pin diagram of 8085 microprocessor computer science engineering cse video edurev video for computer science engineering cse is made by best teachers who have written some of the best books of computer science engineering cse. In this article, we will be studying 8085 microprocessor. Before knowing about the 8085 architecture in detail, lets us briefly discuss about the basic features of 8085 processor. The photo image is shown in figure and pin diagram is shown in figure. The 20 lines of the address bus operate in multiplexed mode. The microprocessor 8086 is a 16bit cpu available in different clock rates and packaged in a 40 pin cerdip or plastic package. Assembly language assignment help, the pin diagram of 8088 microprocessor, pin diagram of 8088. The address and data bus are multiplexed in this processor which helps in providing more control signals. Microprocessor 8085 pin configuration the following image depicts the pin diagram of 8085 microprocessor. Draw the pin configuration and functional pin diagram of p 8085. Microprocessor 8085 pin configuration electricalvoice. Like the pin configuration of 8085 microprocessor, the 8086 microprocessor also contains 40 pins dual in line however, unlike the 8085 microprocessor, an 8086 to have better performance, operates in 2 modes that are minimum and maximum mode.
By understanding its working, we can easily understand the working microcontrollers like arduino, avr etc. V cc hold hlda clkout reset in ready iom s 1 rd ale s 0 a 15 a 14 a a 12 a 11 a 10 a 9 a 8 wr x 1 x 2 reset out sod sid trap rst 7. Demultiplexing address and data bus using ale address latch enable. This article discusses what is a 8085 microprocessor, pin configuration of 8085, which includes address bus, interrupts, rd, wr, ready, hold, hlda, intr. Refer functions of all the 8085 pins below in the table. The 8085 microprocessor kit is a lowcost single board computer designed for selflearning the popular 8085 microprocessor. In this tutorial, we will discuss the architecture, pin diagram and other key concepts of microprocessors. Jan 07, 2017 in this article, we will be studying 8085 microprocessor. Pin diagram of 8085 microprocessor with description. Also learn about the various signals used in 8085 microprocessor including instructions such as rim, sim, sid, sod, iom. Microprocessor 8086 the 8086 microprocessor 8086 microprocessor 8086 microprocessor pdf ebook 8086 microprocessor microprocessor 8086 lecture notes pdf 8086 microprocessor book pdf download internal architecture of an 8086 microprocessor 8086 microprocessor book by sunil mathur questions and answers for memory interfacing in 8086 microprocessor bank selection decoding technique in 8086. Mar 16, 2020 in this article, we will discuss 8085 microprocessor pin configuration or pin diagram of 8085 or external architecture of 8085 microprocessor. Before introduction of the microprocessor circa 1960s, hardwired controllers were used in motor drive applications 30.
This video is highly rated by computer science engineering cse students and has been viewed 406 times. Any module could be a processor capable of being a bus. It can run at a maximum frequency of 3 mhz the 8085 is an 8bit general purpose microprocessor that can address 64k byte of memory. Microprocessor 8086 the 8086 microprocessor 8086 microprocessor 8086 microprocessor pdf ebook 8086 microprocessor microprocessor 8086 lecture notes pdf 8086 microprocessor book pdf download internal architecture of an 8086 microprocessor 8086 microprocessor book by sunil mathur questions and answers for memory interfacing in 8086 microprocessor bank selection decoding technique in.
The figure below represents the pin diagram of 8086 microprocessor. Loosely coupled configuration has shared system bus, system memory, and system io. Lets be clear on the concepts of the 8085 microprocessor, its pin diagram, architecture and many more. Apr 09, 2020 pin diagram of 8085 microprocessor computer science engineering cse video edurev is made by best teachers of computer science engineering cse. Microprocessors 14 8085 is pronounced as eightyeightyfive microprocessor. Pin diagram and description of 8086 microprocessor. Microprocessors 6 microprocessor is a controlling unit of a microcomputer, fabricated on a small chip capable of performing alu arithmetic logical unit operations and communicating with the other devices connected to it. Over view of microprocessor 8085 and its application. Aug 05, 2019 8085 microprocessor pin diagram explanation pdf 1. A15a8, it carries the most significant 8bits of memoryio address. The 8085 pin diagram consists of 40 pins of the microprocessor. Pin diagram of 8085 microprocessor computer science.
All these hardware modules as part of 8085 architecture have been shown in the figure with its respective pins used in 8085 chip. Addressing modes of 8085 to perform any operation, we have to give the corresponding instructions to the microprocessor. Pin diagram of 8086 microprocessor is as given below. Pin diagram of 8085 microprocessor is as given below. Low output on this pin indicates that microprocessor has. But before that have a look at the pin diagram of 8086 microprocessor. The pins can be categorized into six groupsaddress and data bus, control signals, status signals, power supply, and serial inputoutput ports.
Figure 1 shows the pin diagram of the 8085 microprocessor. In this article you will get to know about the definition, architecture, block diagram and working of 8085 microprocessor. Aug 02, 2019 pin diagram of 8085 microprocessor in hindi 8085 40 pins. Intel 8085 8bit microprocessor shrimati indira gandhi. Microprocessor 8085 arithmetic instructions in hindi. Appreciate the detailed explanation of address and data bus. When the signal on this pin is low for at least 3 clocking cycles, it forces the microprocessor to reset itself. The 8085 has extensions to support new interrupts, with three maskable interrupts rst 7. Jan 29, 2018 52 videos play all microprocessor 8085 tutorials point india ltd. Feb 20, 2017 8085 microprocessor architecture bharat acharya engineering, gate studies. Pin diagram of intel 8085 microprocessor electronics and.
The x1 and x2 represent the crystal oscillator which will provide frequency for. Microprocessor 8086 pin configuration in microprocessor. Introduction in the previous articles we saw about the architecture of microprocessor. Learn about the pin diagram, description of 8085 microprocessor. We will study its features, pin diagram and some terms related to them. With the support of nmos technology, 8085 microprocessor was developed by intel in the year 1977.
The 8085 is an 8bit general purpose microprocessor that can address 64k byte of memory. The stack pointer is incremented by 1 and the micrporocessor of that memory location are copied to the highorder register b, d, h, a of the operand. The pin configuration and functional pin diagram of. To study the pin diagram of 8085 microprocessor figure above shows the pin layout of 8085 microprocessor.
407 596 239 205 1268 433 477 649 1424 1167 1400 1370 502 1455 361 868 1444 1276 1186 659 456 201 850 571 727 176 938 559 992 1130 1411 850 25 1236 790