Basics of Embedded Systems and its applications by Dr. A. K. Lodhi
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These PPT's are very useful for the research scholars who are doing their research in Embedded Sytems. For the teaching fraternity also it is very helpful to give the applications of Embedded System. Thanks
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Embedded Systems
An embedded system is a combination of hardware and software that performs a dedicated function within a larger mechanical or electrical system. Embedded systems are designed to respond to events in real-time and operate with limited resources. They are used across many industries in applications like automotive systems, industrial controls, medical devices, office equipment, and more.
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This document provides a history of microprocessors and microcontrollers from the 1950s to the present. It discusses the development of early 4-bit and 8-bit microprocessors by Intel and other companies in the 1970s and the creation of the first 16-bit and 32-bit processors in the late 1970s and 1980s. It also defines microprocessors, microcontrollers, and embedded systems. A microprocessor is a single-chip CPU while a microcontroller contains a CPU with on-chip memory and I/O. Embedded systems use microcontrollers to perform specific predefined tasks inside devices.
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The document defines an embedded system as a special-purpose computer system that is completely encapsulated within a larger device it controls. An embedded system combines both hardware and software to perform dedicated functions for applications like industrial automation, transportation, consumer electronics, and other areas. Examples of embedded systems include appliances, avionics systems, automotive control systems, medical equipment, telecommunications equipment, and many other common devices that are not general-purpose computers.
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An embedded system is a computer system designed to perform specific control functions within a larger system. Embedded systems contain specialized processors and memory, and are programmed to perform predefined tasks like controlling machines or devices. They range in size from small portable devices like watches to large stationary installations like traffic light controllers. The document discusses the history, features, characteristics, processors, debugging, and reliability considerations of embedded systems.
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An embedded system is a combination of hardware and software that performs a dedicated function within a larger mechanical or electrical system. Embedded systems are designed to respond to events in real-time and operate with limited resources. They are used across many industries in applications like automotive systems, industrial controls, medical devices, office equipment, and more.
Lecture1
This document provides a history of microprocessors and microcontrollers from the 1950s to the present. It discusses the development of early 4-bit and 8-bit microprocessors by Intel and other companies in the 1970s and the creation of the first 16-bit and 32-bit processors in the late 1970s and 1980s. It also defines microprocessors, microcontrollers, and embedded systems. A microprocessor is a single-chip CPU while a microcontroller contains a CPU with on-chip memory and I/O. Embedded systems use microcontrollers to perform specific predefined tasks inside devices.
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The document defines an embedded system as a special-purpose computer system that is completely encapsulated within a larger device it controls. An embedded system combines both hardware and software to perform dedicated functions for applications like industrial automation, transportation, consumer electronics, and other areas. Examples of embedded systems include appliances, avionics systems, automotive control systems, medical equipment, telecommunications equipment, and many other common devices that are not general-purpose computers.
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An embedded system is a computer system designed to perform specific control functions within a larger system. Embedded systems contain specialized processors and memory, and are programmed to perform predefined tasks like controlling machines or devices. They range in size from small portable devices like watches to large stationary installations like traffic light controllers. The document discusses the history, features, characteristics, processors, debugging, and reliability considerations of embedded systems.
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1. The definition and components of an embedded system, including the real-time operating system (RTOS).
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Wait instruction idles the CPU until the next interrupt
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At most one I/O request is outstanding at a time, no simultaneous I/O processing
After I/O starts, control returns to user program without waiting for I/O completion
System call – request to the OS to allow user to wait for I/O completion
Device-status table contains entry for each I/O device indicating its type, address, and state
OS indexes into I/O device table to determine device status and to modify table entry to include interrupt
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This lecture introduces a course on microcomputer and microcontroller based systems. The course will cover the architectures of 8086 and ARM microprocessors, interfacing hardware to microcontrollers, and designing complete microcontroller systems. It will include lectures, labs, assignments, and a semester project. Students will use an LPC2148 education board, IAR for ARM, Emu8086, and Proteus software tools. Basic terminology covered includes clock cycle, instruction, register, ALU, memory hierarchy, cache, microprocessor, microcontroller, microcomputer, CISC, RISC, and pipelining.
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my presentation ,explaination of embedded system,
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System on Chip (SoC) integrates processor, memory and other components onto a single chip. Advances in VLSI technology allow millions of transistors to be placed on a single die, enabling entire systems to be implemented as SoCs. This provides benefits like lower cost, power consumption and size compared to discrete components. However, designing highly complex SoCs presents challenges related to design time, verification and complexity. Reusing pre-designed and verified intellectual property (IP) cores is a solution that helps manage this complexity.
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This document discusses devices, gateways, and their roles. A device is a hardware unit that can sense its environment and perform tasks using a microcontroller, memory, I/O capabilities and networking interfaces. Devices can be basic, providing only sensor readings and actuation, or advanced, hosting applications and providing user interfaces. Gateways translate between network layers, manage data from multiple devices, run local applications, and facilitate device management between devices and servers.
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This document discusses system-on-chip (SoC) concepts, design principles, an example multimedia system, and the SoC design flow. It describes how SoCs integrate CPU, memory and custom hardware onto a single chip to improve efficiency. Key principles include distributed and heterogeneous processing, communications through multiple bus segments, and hierarchical control. An example portable multimedia SoC is presented with dedicated signal processing, general purpose processing and optimal parallelism control. The SoC design flow involves specification, design, validation and production.
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An embedded system is a microprocessor-based computer hardware system designed to perform dedicated functions. Embedded systems can range from simple to complex, depending on the task. They are used in devices like digital watches, microwaves, vehicles, and aircraft. An embedded system consists of hardware, software, and mechanical components working together. The core of an embedded system can be a microprocessor, microcontroller, digital signal processor, or application-specific integrated circuit. Microcontrollers are commonly used in embedded systems due to their ability to perform single tasks with low clock frequencies that optimize interrupt latency.
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After I/O starts, control returns to user program only upon I/O completion
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At most one I/O request is outstanding at a time, no simultaneous I/O processing
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my presentation ,explaination of embedded system,
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embedded sytem is best in the world compare to another another automation.
System On Chip (SOC)
System on Chip (SoC) integrates processor, memory and other components onto a single chip. Advances in VLSI technology allow millions of transistors to be placed on a single die, enabling entire systems to be implemented as SoCs. This provides benefits like lower cost, power consumption and size compared to discrete components. However, designing highly complex SoCs presents challenges related to design time, verification and complexity. Reusing pre-designed and verified intellectual property (IP) cores is a solution that helps manage this complexity.
Devices and gateways
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This document discusses embedded system basics and applications. It defines an embedded system as one that has computer hardware with software embedded in it as an important component. Embedded systems have constraints of limited memory, processor speed, and the need to limit power dissipation. The document describes common components of embedded systems like processors, memory, I/O devices, and software. It also discusses different types of embedded systems based on complexity, and gives many examples of applications like household appliances, automotive systems, medical devices, and more.
Embedded System Basics - Introduction.ppt
This document discusses embedded system basics and applications. It defines an embedded system as one that has computer hardware with software embedded in it as an important component. Embedded systems have processors, memory, I/O devices and application software. They are commonly used in household appliances, audio/visual devices, industrial equipment, vehicles and medical instruments. The document covers embedded system components, classifications, processors, hardware, software and applications.
introduction to embedded system presentation
An embedded system is a type of electronic system programmed to perform specific tasks. It contains hardware and software components that work together to perform functions like displaying time on a watch or washing clothes in a washing machine. Key components of an embedded system include a processor, memory, input/output interfaces and application software. Embedded systems have become more advanced over time, evolving from using vacuum tubes and transistors to today's microcontrollers and microprocessors. They provide advantages like small size, low power consumption and low cost. Common applications include consumer electronics, automobiles, industrial automation and medical devices.
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Basics of Embedded Systems and its applications by Dr. A. K. Lodhi
- 1. Embedded System Design (Professional Elective - IV) Course Code: EI701PC/EC742PE BY: Dr. A. K. Lodhi, Professor, SCET, Peerancheru, Hyderabad.
- 2. Syllabus UNIT – I • Introduction to Embedded Systems: Definition of Embedded System, Embedded Systems • Vs General Computing Systems, History of Embedded Systems, Classification, Major • Application Areas, Purpose of Embedded Systems, Characteristics and Quality Attributes of • Embedded Systems.
- 3. UNIT – II • Typical Embedded System: Core of the Embedded System: General Purpose and Domain • Specific Processors, ASICs, PLDs, Commercial Off-The- Shelf Components (COTS). • Memory: ROM, RAM, Memory according to the type of Interface, Memory Shadowing, • Memory selection for Embedded Systems, Sensors and Actuators, Communication Interface: • Onboard and External Communication Interfaces.
- 4. UNIT – III • Embedded Firmware: Reset Circuit, Brown-out Protection Circuit, Oscillator Unit, Real • Time Clock, Watchdog Timer, Embedded Firmware Design Approaches and Development • Languages.
- 5. UNIT – IV • RTOS Based Embedded System Design: Operating System Basics, Types of Operating • Systems, Tasks, Process and Threads, Multiprocessing and Multitasking, Task Scheduling.
- 6. UNIT – V • Task Communication: Shared Memory, Message Passing, Remote Procedure Call and • Sockets, Task Synchronization: Task Communication/Synchronization Issues, Task • Synchronization Techniques, Device Drivers, How to Choose an RTOS.
- 12. Embedded system: • is a system whose principal function is not computational, but which is controlled by a computer embedded within it.
- 24. Car Door 24
- 74. Summary • An embedded system is a product that has one or more computers embedded within it, which exercise primarily a control function. • The embedded computer is usually a microcontroller: a microprocessor adapted for embedded control applications. • Microcontrollers are designed according to accepted electronic and computer principles, and are fundamentally made up of microprocessor core, memory and peripherals. • Microchip offers a wide range of microcontrollers, divided into a number of different families. Each family has identical central architecture and instruction set. However, common features also appear across all their microcontrollers. • The Microchip 12F508 is a good microcontroller to introduce a range of features of microcontrollers in general and of PIC microcontrollers in particular. 74
- 75. THANK YOU