Intel 8085 8bit microprocessor intel 8085 is an 8bit, nmos microprocessor. Mar 21, 2018 what is 8086 microprocessor, and its features. It has 16 bit address bus and hence can address up to 21665536 bytes of memory locations through a 0a 15 address lines. Lecture note on microprocessor and microcontroller theory and. The features of intel 8085 microprocessor are as follows. The internal architecture of 8085 includes the alu, timing and control unit, instruction register and decoder, register array, interrupt control and serial io control. Difference between 8085 and 8086 difference between.
Instruction set of 8085 an instruction is a binary pattern designed inside a microprocessor to perform a specific function. Introduces programming stepbystep, beginning with 8085 instructions, then moving on to programming techniques, program development, and software development systems. This microprocessor exhibits some unique characteristics and this is the reason it still holds popularity among the microprocessors basically, 8085 was the first commercially successful microprocessor by intel. The first 8 lines of address bus and 8 lines of data bus are multiplexed ad. The functional components of a cpu are arithmetic logic unit alu, control and timing units, registers are found in a single integrated circuit called ic. It can execute millions of instructions per second. The intel 8085 eightyeightyfive is an 8bit microprocessor produced by intel and introduced in march 1976. Central processing unit cpu is carved on a single chip is called a microprocessor. As the name suggests, 8085 microprocessor and its applications attempts to explain the basic concepts of programming and interfacing techniques using intel 8085 microprocessor as an example, including system design applications based on 8085 microprocessor.
The first 8 lines of address bus and 8 lines of data bus are multiplexed ad 0 ad 7. Microprocessor and its features india study channel. The instruction set of a microprocessor is the collection of the instructions that the microprocessor is designed to execute. The second generation marked the development of 8 bit microprocessors from 1973 to 1978. It is a well established fact that with the advancement of technology, the cost does not increase proportionately with the complexity. May 26, 2010 a microprocessor with all the functional elements, alu, registers and the control unit, is fabricated on a single chip. However, it requires less support circuitry, allowing simpler and less expensive microcomputer systems to be built. To transfer the data inside the chip from one place to another it has bus system just like our buses to. The microprocessor chips are available at low prices and results its low cost. The important features of microprocessor are as follows. First microprocessor was invented by intel integrated electronics. Basic features of 8085 8085 is single chip 8bit microprocessor. Elaborated programming, solved examples on typical interfacing problems, and a useful set of exercise problems in each chapter serve as distinguishing features of the book. Microprocessor 8085 8086 download ebook pdf, epub, tuebl.
The microprocessor is one of most known subject is computer engineering branch. Thus has the ability to address 4 gb or 2 32 of physical memory multitasking and protection capability are the two key characteristics of 80386 microprocessor. Interfacing 8155 with 8085 microprocessor pdf in what way and differs and features. It is manufactured with nmos ntype metal oxide semiconductor technology implemented with 6200 transistors. Any module could be a processor capable of being a bus. If youre looking for a free download links of microprocessor 8085 and its interfacing pdf, epub, docx and torrent then this site is not for you. Introduction to 8085 microprocessor linkedin slideshare. Features of 8085 intel 8085 is an 8bit, nmos microprocessor. This was 80386 microprocessor that was designed by intel in october 1985 and was an upgraded version of 80286 microprocessor. Lecture note on microprocessor and microcontroller theory.
By the late 1970s, enough transistors were available on the ic to usher in the second generation of microprocessor sophistication. 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. Download microprocessor 8085 and its interfacing pdf. It has 16bit address bus and hence can address up to 2 16 65536 bytes 64kb memory locations through a 0 a 15. Microprocessor architecture, programming, and applications. Introduction fundamentals of microprocessor 8085 and. The most important characteristics of a microcomputer is its low cost. It is a softwarebinary compatible with the morefamous intel 8080 with only two minor instructions added to support its added interrupt and serial inputoutput features. Captcha seminar and ppt with pdf report 8085 microprocessor ppt and pdf report.
Ic was invented in 1958 fair child semiconductors by texas instruments j kilby. Microprocessors and interfacing 8086, 8051, 8096, and. High speed due to the technology involved in it, the microprocessor can work at very high speed. Methods of data transfer and serial transfer protocols 47 part i. Transistor was invented in 1948 23 december 1947 in bell lab. Low cost due to integrated circuit technology microprocessors are available at very low cost. In this article you will get to know about the definition, architecture, block diagram and working of 8085 microprocessor. Microprocessorsevolution and introduction to 8085 1 2. The time for the back cycle of the intel 8085 a2 is 200 ns. Tutorial on introduction to 8085 architecture and programming.
The term 16bit means that its arithmetic logic unit, internal registers and most of its instructions are designed to work with 16bit binary words. The ebook has complete chapters on microprocessor and it is. Mar 18, 2017 features of intel 8085 microprocessor. Features of 8086 microprocessor 8086 range of clock rates. As some of the architectural drawbacks associated with 8080 was also. One accumulator, one flag register, 6 general purpose registers and 2 special purpose register. The microprocessor has multiple data type formats like binary, bcd, ascii, signed and unsigned numbers. Its data bus width is 8bit and address bus width is 16bit, thus it can address 216 64 kb of memory. Features of a microprocessor here is a list of some of the most prominent features of any microprocessor. It is a device or rather say a integrated chip which process some instructions given to it in microseconds. The 8085 microprocessor was designed by intel in mid 1977. Each instruction is represented by an 8bit binary value. This site is like a library, use search box in the widget to get ebook that you want. To find the smallest number in an array of data using 8085 instruction set.
It has 40 pins ic integrated circuit fabricated on single chip. This books presents an integrated treatment of the hardware and software aspects of the 8085 and 8086 microprocessors and 8051 microcontroller. The address and data bus are multiplexed in this processor which helps in providing more control signals. Addressing modes, instruction set, and programming of 8086 80. Click download or read online button to get microprocessor 8085 and its interfacing book now. The entire group of instructions that a microprocessor supports is called instruction set. It is a 40 pin c package fabricated on a single lsi chip. Pdf microprocessors books collection free download. An instruction is a command given to the computer to perform a specified operation on given data. Loosely coupled configuration has shared system bus, system memory, and system io. But with the advent of technology intel introduced a 32bit microprocessor whose processing speed was twice as that of 80286 microprocessor. Motorolas mc68000 microprocessor, introduced in 1979, is an example.
It is compatible with microprocessor 8080 and require less additional hardware, which makes it. It is an 8 bit microprocessor each character is represented by 8 bits or a byte. Microprocessor 8085 and its interfacing download ebook. Click download or read online button to get microprocessor 8085 8086 book now. The microprocessor is of small size chip, hence is portable. It has 16bit address lines a0a15 to point the memory locations and hence can point up to 216 65535 bytes 64kb memory. Before knowing about the 8085 architecture in detail, lets us briefly discuss about the basic features of 8085 processor 8085 microprocessor is an 8bit microprocessor with a 40 pin dual in line package.
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