Registers are the small additional memory location which are used to store and. Pdf on aug 8, 2012, shree krishna khadka and others published a notebook on microprocessor system find, read and cite. This architecture based computer consists of separate memory spaces for. Microprocessor 8085 architecture, programming and interfacing. The system designer has the ability to combine different io devices within the io space. In 8085 and z80 systems, only 256 input and output addresses are available. A microprocessor combine with memory and inputoutput devices forms a. Nvis technologies make mcxx series extension module to interface with this platform. Pdf microproceesor unit 15 for ec third year by amit mourya. The memory is made up of semiconductor material used to store the programs and data.
Lecture note on microprocessor and microcontroller theory vssut. Microprocessor architecture, programming, and applications with the 8085 gaonkar on. The intel 8085 eightyeightyfive is an 8bit microprocessor produced by intel and introduced. In 1974, intel announced the 8080 followed by 8085 is a 8bit processor. Using microprocessor as a cpu and interfacing memory, input and output. Intel 8086 microprocessor architecture, features, and signals. Analyzes the hardware, provides schematics, includes the necessary software, and describes how the hardware and software work together to accomplish these given objectives. Evolution and architecture of microprocessors 8085 and 8086. The memory interfacing in 8085 is used to access memory quite frequently to read instruction codes and data stored in memory. Unit 2 8086 architecture functional diagram, register organization, memory. Microprocessors and microcontrollersinterfacing with 8086. American standard code for information interchange. Memory is an integral part of a microprocessor system, and in this section, we will discuss how to interface a memory device with the microprocessor.
Microprocessors and interfacing oup india oxford university press. Like the 8080, the 8085 can accommodate slower memories through. This architecture is popular for microprocessors with an 8bit data bus. Buy microprocessor 8085 architecture, programming and interfacing by ajay wadhwa pdf online. The time now is architecture of intel microprocessor 9. Memory interfacing in 8085 memory structure wait state. Video lectures on microprocessors and microcontrollers by prof. What is an interface pins of 8085 used in interfacing memory microprocessor interface io microprocessor interface basic ram cells stack memory. Microprocessor basic introduction and understanding. Pdf a notebook on microprocessor system researchgate. Memory interfacing with 8085 pdf ram memory generally has at least one cs or s input and rom at least one. Three types of memory is, u process memory u primary or main memory u secondary memory.
An iord signal is generated by combining the iom and the rd signals from the microprocessor. Overview of 8051 microcontroller, architecture, io ports and memory. Microprocessor architecture, programming, and applications. The architecture of microprocessor 8085 can be divided into seven parts as follows. Microprocessor lecture 9 memory interfacing in 8085. Figure shows that four different control signals are generated by combining. Microprocessor architecture and memory interfacing. There needs to be a lot of interaction between the. Given two ordered arrays of integers, write a program to merge the twoarrays to get an ordered array. Chapter 4 8085 microprocessor architecture and memory.