Fundamentals of embedded system and electronics

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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

Building Block
Sensors
Decision
making device
Actuators

• IR – Sensors
• LM35 – Temp. Sensor
• Pressure
• Gyroscope
• Accelerometer

• DC-Motor
• IC-Engine
• Servo motors
• Stepper motor

• Micro controller/Microprocessor

• 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

• 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.

Atmega16 have total of 40 pins
32 I/O pins..
PORTA = 8 Pins
PORTB = 8 Pins
PORTC = 8 Pins
PORTD = 8 Pins

• To Write Program in C
• Converts C-file to Hex-file.

• Programmer is required to transfer the
Hex File from your PC to Micro Controller.

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info@roboindia.com

Fundamentals of embedded system and electronics

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