Salient features of the 8085 microprocessor manufactured by intel. It is an 8 bit microprocessor each character is represented by 8 bits or a byte. Features of 8085 8085 microprocessor course z series innovations. Hello friends,lots of reader would like to read the content for microprocessor short question and answer in the offline mode as well,here is the pdf file which contains lots of microprocessor short question and answer pdf for offline study you can download pdf file. The intel 8085 eightyeightyfive is an 8bit microprocessor produced by intel and introduced in march 1976. It is manufactured with nmos ntype metal oxide semiconductor technology implemented with 6200 transistors. Kunj desai 140950107022 harsh bajaj 140950107008 khusboo jethwa 140950107028 branch. Microprocessor 8085 notes free download as word doc. What are stacks subroutines in 8085 microprocessor answers. 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. The 8086 microprocessor was an enhanced version of the 8085. Intel 8085 8bit microprocessor shrimati indira gandhi. A microprocessor which has n data lines is called an nbit microprocessor i.
It was compatible with intel 8080 but needed less support of the hardware. Tutorial on introduction to 8085 architecture and programming. Microprocessor architecture the microprocessor can be programmed to perform functions on given data by writing specific instructions into its memory. It is the set of instructions that the microprocessor can understand. Introduction fundamentals of microprocessor 8085 and. It operates on 8bit data and uses 16bit address to access the memory. It is a 8 bit microprocessor, introduce by intel in 1976. Arithmetic instructions of 8085 instruction set of 8085 microprocessor microprocessor duration. It is a device or rather say a integrated chip which process some instructions given to it in microseconds.
You can visit similar threads as well for more free pdf and get yourself updated. The reason for the difference is that some actually most instructions have multiple different formats. What is the technology used in the manufacture of 8085. 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. It is the number of bits processed in a single instruction. Microprocessor 8085 simulator software kit free download. Implementation of traffic light control system using microprocessor 8085. The entire group of instructions that a microprocessor supports is called instruction set. Lecture note on microprocessor and microcontroller theory. Tybsc electronic instrumentation ii mumbai university. Pdf an introduction to microprocessor 8085 researchgate. Microprocessor short question and answer pdf examradar. Microcontrollers have gone through a silent evolution invisible.
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. Microprocessor architecture, programming and applications with 8085 by rs gaonkar 2. Hello friends,lots of reader would like to read the content for microprocessor short question and answer in the offline mode as well,here is the pdf file which contains lots of microprocessor short question and answer pdf for offline study you can download pdf file from below link microprocessor shortquestionandanswer pdf. The microprocessor is one of most known subject is computer engineering branch. A microprocessor communicates and operates in the binary 0s and 1s, called bits. However, it requires less support circuitry, allowing simpler and less expensive microcomputer systems to be built. The 8080 processor was updated with enabledisable instruction pins and interrupt pins to form the 8085 microprocessor.
Mvi b, 3eh move the data 3eh given in the instruction to b register. The address and data bus are multiplexed in this processor which helps in providing more control signals. What is meant by the statement that 8085 is a 8bit microprocessor. Intel 8085 8bit microprocessor intel 8085 is an 8bit, nmos microprocessor. The 8085 is an 8bit general purpose microprocessor that can address 64k byte of memory. The 8085 machine language the 8085 from intel is an 8bit microprocessor. Lecture note on microprocessor and microcontroller theory and. Each microprocessor has a fixed set of instructions in the. The 8085 uses a total of 246 bit patterns to form its instruction set. It is an nmos device having around 6200 transistors contained in a 40 pin dip package. It determines the number of operations per second the processor can perform. Oct, 2012 microprocessor architecture the microprocessor can be programmed to perform functions on given data by writing specific instructions into its memory. Introduction to microprocessor by adithya p mathur, tata mcgraw hill publishers, new delhi 5. It has 40 pins ic integrated circuit fabricated on single chip.
Lecture note on microprocessor and microcontroller theory vssut. If the operand is a memory location, its location is specified by the contents of the hl registers. Understanding and learning a timing diagram is much better than memorising one. It has 16bit address bus and hence can address up to 26165535 bytes 64kb memory location through a0a15. As discussed earlier, 8085 microprocessor was introduced by intel in the year 1976. To find the smallest number in an array of data using 8085 instruction set. It has 16bit address lines a0a15 to point the memory locations and hence can point up to 216 65535 bytes 64kb memory. The 5 means it is a single power supply 5 volt version of the 8080, with enhancements.
Introduction to 8085 microprocessor microprocessor is a electronic chip, that functions as the central processing unit of a computer. To transfer the data inside the chip from one place to another it has bus system just like our buses to. What is memory interfacing of 8085 microprocessor answers. Apr 05, 2017 introduction to 8085 microprocessor names. This page on 8086 vs 80286 vs 80386 vs 80486 describes difference between 8086, 80286, 80386 and 80486. It is a 40 pin c package fabricated on a single lsi chip. With the help of 16bit address, 8085 can access 2 16 65536 64k memory locations. Dec 16, 2019 sign in to like videos, comment, and subscribe. The microprocessor reads one instruction at a time, matches it with its instruction set, and performs the data manipulation specified.
The time for the back cycle of the intel 8085 a2 is 200 ns. Each instruction is represented by an 8bit binary value. The 8085 in the 8085 microprocessor is the designation given to the microprocessor by intel. With the help of 16bit address, 8085 can access 216 65536 64k memory locations. See,first of all,read and understand the different types of machine cycles in 8085 microprocessor. The architecture of a microprocessor is to be learnt in terms of registers, memory. Instruction set of 8085 an instruction is a binary pattern designed inside a microprocessor to perform a specific function. This microprocessor is an update of 8080 microprocessor. Data memory the processor always uses 16bit addresses so that data can be. This is a 3byte instruction, the second byte specifies the loworder address and the third byte specifies the highorder address. The 5 in the model was added as it requires plus 5 voltages.
Project using 8085 pdf a simple interfacing project with the 8085microprocessor probability distribution formula pdf kits available in. Let us discuss the architecture of 8085 microprocessor in. Logarithmic quantization combined with a faster microprocessor an 8085 ah2 running at 10 mhz and more efficient software should reduce this to 2. Features of 8085 intel 8085 is an 8bit, nmos microprocessor. The ebook has complete chapters on microprocessor and it is. Draw the pin configuration and functional pin diagram of p 8085. Intel 8085 intel 8085 pin configuration signals and io pins 4 intel 8085 cpu block diagram the 8085 and its buses. Its data bus width is 8bit and address bus width is 16bit, thus it can address 216 64 kb of memory. It provides serial interfacing with serial input data sid and serial output. Refer 8085 vs 8086 for comparison between the two 8086 microprocessor. It is an 8 bit general purpose microprocessor that can easily store 64k bite of memory.