You can download Microprocessors and Interface by Douglas V Hall Book PDF from following link. Link: You can. Download Microprocessors and Interfacing By A.P.Godse, D.A.Godse - Introduction to microprocessor Microprocessor architecture and operations 8085 Microprocessor architecture Assembly language programming basics Writing 8085 assembly language programs with decision Stack and subroutines Interfacing concepts Advanced.
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Microprocessor and Interfacing, MPI Study Materials, Engineering Class handwritten notes, exam notes, previous year questions, PDF free download. Data Bus: Data bus carries data in binary form between microprocessor and other external units such as memory. It is used to transmit data i.e. Information, results of arithmetic etc between memory and the microprocessor. Data bus is bidirectional in nature. The data bus width of 8085 microprocessor is 8-bit i.e. 28 combination of. Here you can download the free lecture Notes of Microprocessor and Interfacing Pdf Notes – MPI Notes Pdf materials with multiple file links to download. Microprocessor and Interfacing Notes Pdf – MPI Pdf Notes book starts with the topics Vector interrupt table, Timing diagram, Interrupt structure of 8086. Vector interrupt table. Microprocessors And Interfacing Douglas V Hall Pdf.pdf - Free download Ebook, Handbook, Textbook, User Guide PDF files on the internet quickly and easily.
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- Multiprocessor Configuration
- I/O Interfacing
- Microcontrollers
- Peripheral Devices
- Microprocessor Useful Resources
- Selected Reading
In this chapter, we will discuss Memory Interfacing and IO Interfacing with 8085.
Interface is the path for communication between two components. Interfacing is of two types, memory interfacing and I/O interfacing.
Memory Interfacing
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When we are executing any instruction, we need the microprocessor to access the memory for reading instruction codes and the data stored in the memory. For this, both the memory and the microprocessor requires some signals to read from and write to registers.
The interfacing process includes some key factors to match with the memory requirements and microprocessor signals. The interfacing circuit therefore should be designed in such a way that it matches the memory signal requirements with the signals of the microprocessor.
IO Interfacing
There are various communication devices like the keyboard, mouse, printer, etc. So, we need to interface the keyboard and other devices with the microprocessor by using latches and buffers. This type of interfacing is known as I/O interfacing.
Block Diagram of Memory and I/O Interfacing
8085 Interfacing Pins
Following is the list of 8085 pins used for interfacing with other devices −
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- A15 - A8 (Higher Address Bus)
- AD7 - AD0(Lower Address/Data Bus)
- ALE
- RD
- WR
- READY
Ways of Communication − Microprocessor with the Outside World?
There are two ways of communication in which the microprocessor can connect with the outside world.
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- Serial Communication Interface
- Parallel Communication interface
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Serial Communication Interface − In this type of communication, the interface gets a single byte of data from the microprocessor and sends it bit by bit to the other system serially and vice-a-versa.
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Parallel Communication Interface − In this type of communication, the interface gets a byte of data from the microprocessor and sends it bit by bit to the other systems in simultaneous (or) parallel fashion and vice-a-versa.