Embedded System
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This document provides an overview of microcontrollers and the Arduino platform. It discusses what a microcontroller is and some common types. It then introduces Arduino as an open-source prototyping platform using easy hardware and software. Several Arduino boards are described and the ATmega328p microcontroller chip is specified. The document outlines how to download the Arduino software and write programs. It provides examples of basic Arduino projects like blinking LEDs, reading sensors, and creating sounds.
Arduino_Beginner.pptx
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2) The training covered architecture, memory organization, interrupts, and timers of PIC microcontrollers. The intern interfaced hardware including LEDs, switches, LCDs, and Bluetooth modules with PIC microcontrollers.
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The document provides an overview of embedded systems and their components. It discusses embedded hardware such as microcontrollers and microprocessors. Specific microcontrollers like the 8051 and PIC are examined in terms of their features, pin diagrams, and basic components. The hardware design of embedded systems including power supply, signal generation, and peripheral integration is also covered. Programming embedded systems in C and example programs are outlined.
Embedded notes.iet.trichy
This document provides an overview of embedded systems and embedded C programming. It discusses the basic components of an embedded system including hardware, software and an operating system. It then describes various microcontrollers including the 8051 and PIC microcontrollers. Details are provided on the hardware design of embedded systems including microcontrollers, processors, power supply and signal generation. The document also provides information on embedded C programming including its introduction, avoiding hardware failures, coding standards and example programs.
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The document summarizes the architecture and components of the Arduino Uno microcontroller ATmega328p. It uses an 8-bit AVR RISC architecture with 32 general purpose registers. It has 14 digital input/output pins, 6 analog inputs, and is powered by a 16MHz crystal oscillator. The microcontroller contains all the necessary components to support programming and interfacing, including serial communication interfaces like SPI, I2C, and USART. It also has a comparator module, PWM channels, watchdog timer, and supports both internal and external oscillators.
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Embedded system
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Embedded System
- 1. A PRESENTATION ON “EMBEDDED SYSTEM” BY ARMBEDDED ELECTRONICS PVT. LTD.
- 2. A COMPUTER SYSTEM DESIGN USED TO PERFORM ONE OR VERY FEWER TASK . EMBEDDED SOFTWARE AND COMPUTER HARDWARE CAN BE PROGRAMMED TO PERFORM A SPECIFIC TASK . EXAMPLES :- 1. DIGITAL CAMERA. 2. REMOTE OF T.V. WHAT IS EMBEDDED SYSTEM ?????
- 3. • Perform repititive task . • Provide High Accuracy . • Increase Speed . • Increase efficiency. • Reduce time .
- 4. MICROCONTROLLER • It is the core hardware of embedded system. • CPU, RAM, ROM , I/O ports, timer are all on single chip. • Sometime it may referred as “small computer”. • Examples : Motorola 6811, Zilog’s z8, Intel’s 8051, Phillips 89V51RD2, Atmel .
- 5. COMPARISON B/W MCU & MPU M I C R O C O N T R O L L E R 1. Single tasking device. 2. CPU, RAM, ROM, I/O port and timers are all on a single chip. 3. Fixed amount of on chip ROM, RAM. 4. Cheap, non- versatile. 5. Applications :- Digital clock, washing machine. M I C R O P R O C E S S O R 1. Multi tasking device. 2. CPU stands alone, RAM, ROM, I/O ports and timers are separate. 3. Designer can decide the amount of RAM, ROM. 4. Expensive, versatile. 5. Applications :- Laptops, Smart phones etc.
- 6. PIN DIAGRAM OF MICROCONTROLLER
- 7. FEATURES OF 8051 MICROCONTROLLER ROM RAM Timer I/O Pins 4 k byte 128byte 2 32
- 8. BASIC ELECTRONIC COMPONENTS USED :- 1.Light emitting diode (LED). 2.Liquid crystal defect (LCD). 3.Seven segment display. 4.7805 IC.
- 9. LIGHT EMITTING DIODE (LED) • A LED is a semiconductor light source. • LED’s are used as an indicator lamps in many devices. • These are available in “SINGLE COLOUR”, “BICOLOUR”, “TRICOLOUR” and in “MULTICOLOUR”.
- 10. LIQUID CRYSTAL DISPLAY (LCD) • LCD is a cheap and easiest way to display text, numbers, letters & symbols. • It comprises of 16 pins . • It consists of several initialization commands. namely – specify function Set (38H), display on-off control (0EH), entry mode set (06H) and clear display (01H).
- 11. SEVEN SEGMENT DISPLAY • Several LED’s are combined together to form a seven segment display. • There are two common configuration of 7- segment display. Namely – common cathode display common anode display
- 12. Digit &NO. 0 1 2 3 4 5 6 7 8 9 A On Off On On Off On On On On On B On On On On On Off Off On On On C On On Off On On On On On On On D On Off On On Off On On Off On On E On Off On Off Off Off On Off On Off F On Off Off Off On On On Off On On G off off On on On On On Off on on Table to display number from 1 to 9
- 13. 7805 IC • 7805 is a voltage regulated integrated circuit. • The voltage regulated integrated circuit maintain the output voltage at aconstant level. • It doesn’t require any external components to provide constant, regulated power. • For this, input voltage must always be higher than output voltage by some minimum amount (typically 2 volt).
- 14. CONCLUSION • EMBEDDED SYSTEM is widely used and evolving technology in electronics world. • It provide automation and hence reduce human efforts. • Nowadays, embedded system is one of the technology that retains its feet in the various applications.
- 15. *Thank You!!
- 16. *