Embedded System

Embedded system

•       It is a single chip microcomputer or employs a combination of hardware and software to perform a specific function.

•       It is a electrical and electronic devices which based on microprocessor and microcontroller for performing an specific task.

•       Embedded systems can be broken into two broad categories:

• those that contain microprocessors (μP) with limited input/output ports 

•  those that contain microcontrollers (μC) with many more on-chip peripherals thereby reducing cost and size.

Why study embedded system

Embedded system is a technology.

•      State of integration to coverage different domain in one frame.

•      Added advantage for a student to take challenge

•      Complete in the challenging job marked.

•      Each day, our lives become more dependent on 'embedded systems‘. 

Importance of embedded system in daily life

Embedded Systems companies :

•      There are some companies who are providing the chips and necessary hardware required for embedded system.

•      Intel

•      Atmel

•      Philips

•      Free scale

•      Maxim

•      ST Microelectronic

•      Nokia

•      Sony

•      Samsung

Some other industry  segment need Embedded Systems:

•      Telecom

•      Mobile Communication

•      Industrial engineering

•      Computers & Peripherals

•      Consumer Electronics

•      Aerospace

•      Government/military

•      Automotive

•      Transportation

•      Medical Equipment

•      Electronic equipments. 

Block Diagram of Microcontroller: 

Challenges of embedded system:

Programming Languages 

The necessary tools for a microprocessor/controller 

•      CPU: Central Processing Unit

•      I/O: Input /Output

•      Bus: Address bus & Data bus

•      Memory: RAM & ROM

•      Timer

•      Interrupt

•      Serial Port 

•      Parallel Port

Microprocessor vs. Microcontroller 

Architecture are design in two ways:

What Is Microcontroller 

Types of Microcontroller:

IC packaging :

  

Programming Tools of Microcontroller:

8051 Family:

	8031	8032	8051	8052	8751	8752
ROM	none	none	4K	8K	4K	8K
RAM	128 byte	256 byte	128 byte	256 byte	128 byte	256 byte
TIMER/ COUNTER	2	3	2	3	2	3
INTERRUPTS	5	6	5	6	5	6
I/O PINS	32	-	32	32	-	-
SERIAL PORTS	1	1	1	1	1	1

PIC Family:

How Program Runs:

Procedure of making project in Embedded System:

Application of Embedded System:

Advantage and Disadvantage

         

Next Topic 8051 Micro Controller