Fundamentals of embedded system and electronics
Post on 16-Jul-2015
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• An embedded system is a computer system designed to perform one or a few dedicated functions.
• Controlled by Microcontroller and Microprocessor.
• E.g. - Digital Watches and MP3 Player to Traffic light control to Factory control even in Nuclear power plant.
• For quick performance
• to avoid human interventions
• Optimized System
• Low cost of the product
• increasing the reliability
• It fulfill few requirements such as constraints in power-consumption, size-limitations, reliability or real-time performance
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Building Block
SensorsDecision
making deviceActuators
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• IR – Sensors
• LM35 – Temp. Sensor
• Pressure
• Gyroscope
• Accelerometer
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• DC-Motor
• IC-Engine
• Servo motors
• Stepper motor
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• It Doesn’t have memory to store data.
• It doesn't have inbuilt RAM
• Microprocessor is an IC which has only the CPU inside them
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• Microcontroller has a CPU, in addition with
a fixed amount of RAM, ROM
• Can be used as stand alone device.
• Microcontroller have features like I/O ports
and timer.
• Inbuilt Memory and processor and various
other peripherals.
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Atmega16 have total of 40 pins
32 I/O pins..
PORTA = 8 Pins
PORTB = 8 Pins
PORTC = 8 Pins
PORTD = 8 Pins
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• To Write Program in C
• Converts C-file to Hex-file.
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• Programmer is required to transfer the Hex File from your PC to Micro Controller.
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