_Tutorial Session on Microcontroller

8/9/2019 _Tutorial Session on Microcontroller

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Tutorial Session on

Microcontroller/KitPresenter: Engr. Mohammad Faisal Haider Paracha.

Venue: Microprocessors and Digital Systems, Lab

Timings: 08:30~11:00


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What is a Microcontroller/Microprocessor?

• Microcontrollers and Microprocessors are

widely used in Embedded Systems.

• An embedded product uses a

Microcontroller/Microprocessor, that

performs only one task.

• Some Embedded Systems are: keyboard,

printer, modem, disk controller, sound card,

CD-ROM driver, mouse and so on.

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What are the differences b/w

Microcontroller and Microprocessor?

• A Microcontroller is an Integrated Circuit thatcontains CPU, RAM, ROM, Timers, I/O pins, SerialCOM Port on the one chip. Designer just have to

use the IC up to the requirements, just plug andplay. Less versatile.

• A Microprocessor is an Integrated Circuit thatdoes not contain RAM, ROM, Timers, I/O pins,

Serial COM Port on its chip. Designers have toadd the above peripherals up to therequirements. More versatile.

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Some Famous Microprocessors.

• Intel's 4004, 8086, 80286, 80386, 80486,

Pentium, Pentium II, Pentium III, Pentium 4,

Pentium M, Pentium Dual Core, Core i3, Core

i5, Core i7

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Overview of the 8051 Family

• In 1981, Intel Corporation introduced an 8-bitmicrocontroller called the 8051.

• 8-bit microcontroller means that its CPU can

work only on 8-bits of data at a time.• It has 4k bytes of ROM, 128 bytes of RAM, 2

Timers, 32 I/O pins, 1 Serial Port, 6 interrupt

sources.• What will happen if the data is larger than 8-

bits?


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Comparison of 8051 Family Members

Features 8051 8052 8031

ROM(on-chip

program space in

bytes)

4K 8K 0K

RAM(bytes) 128 256 128

Timers 2 3 2

I/O pins 32 32 32

Serial Port 1 1 1

Interrupt sources 6 8 6


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What is the Trainer Board?

• A Trainer Board allow us to test the differentsource codes.

• In Universities these trainers could be help full for

students to visualize the actual working of theprogram; so that they will be able to make theirconcepts better.

• The trainers have a number of devices interfaced

with the Microcontroller.• We could be able to implement number of

experiments on these trainers.


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Some Famous Experiments of 8051

• Examining the cy flag and the stack

• To examine the I/O port operation using a simulator.

• To code a program to transfer data from code ROM space into RAM locations.

• To write a program to convert data from hex to ASCII to BCD.

• To test the 8051 system and its ports.

•

Interfacing An LCD To The 8051• Interfacing adc804/809/848 to the 8051 trainer

• Interfacing a sensor to the 8051

• Timer programming

• 8051 serial interfacing

• Interfacing a stepper motor to the 8051

•

Event counter programming• Interrupt programming

• And many more


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FEATURE OF LEARNIG KIT

• Burner & trainer is in one kit (In circuit programming)

• onboard ADC

• onboard temperature sensor (LM35)

•

onboard Rs232 serial communication• on board IR port( RX & TX)

• On board RTC (Ds1307)

• On board serial EPROM (24cxx)

• On board 7 segment display

•On board matrix LCD interface IDC connector (14 pin)

• On board facility to connect external hardware to port 0,1,2,3.

• On board ZIF socket


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RS-232 Communication Module

• It is commonly used for data transfer between

microcontroller & PC

• Since the voltage levels of Microcontroller and

PC are not directly compatible with each other

so a level converter such as MAX 232 must be

used.


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DS 1307 R.T.C

• There are many applications of RTC.

• It stores real time, and calendar.

•

External power supply of 12 V DC may be usedto powered On the device.

• This trainer is capable to support 89S51

microcontroller chip.


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IR Receiver

• Mostly IR receivers are used for remote

control applications.

• This trainer has also one IR receiver for

remote control based experiments.

• ZIF(zero insertion force) socket is available to

insert an IC chip on to the trainer board.


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On Board Programmer

• There is no need to connect externalprogrammer.

• All you just need to connect the trainer board

with the PC and Burn the program using theBurner software, and visualize the functionality ofthe program.

• There is one button marked as reset, when

programmer press Reset button microcontrollerwill start to execute the program from the firstline.


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LED’s

• LED’s are components used for displaying pindigital state.

• There are seven push buttons which can be

used to change state of digital inputs on themicrocontroller ports.

• 89s51 Programmer trainer has one 7-segment

display.• 89s51 Programmer trainer has one standard

character LCD.


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How can we burn a Program on to the IC chip?

• Attach your PC with the Trainer Board.

• Insert an IC (89S51) in to the ZIF socket.

• Move the switch to the programmer side.

• Power ON the trainer board, by using an external power supply.

•

Open the burning software on to the PC.• Select the number of your Chip.

• Read the Chip.

• Erase the earlier program if any;

• Burn the new program (specified by the path of the .HEX file,

generated by the assembler) on to the IC chip.• Move the switch back to the trainer side.

• Enjoy the program!


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Question/Answer Session


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Thanks You!


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_Tutorial Session on Microcontroller

Documents

Transcript of _Tutorial Session on Microcontroller