The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The AT89S52 provides the. AT89S52 comes from the popular family of Atmel Microcontrollers. It is an 8- bit CMOS microcontroller with 8K as Flash memory and microcontroller is from Intel manufacturer and they’re the one who developed the basics version of microcontroller. So it’s like the first family of.

Author: Zolozil Maujinn
Country: Portugal
Language: English (Spanish)
Genre: Science
Published (Last): 4 April 2008
Pages: 72
PDF File Size: 18.41 Mb
ePub File Size: 9.79 Mb
ISBN: 894-5-78593-655-6
Downloads: 59503
Price: Free* [*Free Regsitration Required]
Uploader: Shaktile

Log in or register to post Comment. The below points are just suggestions which might help one to select a MCU. Generally this is set to 0, because we do not have need to read data from LCD.

You can follow any responses to this entry through the RSS 2. Convert to Blogger by SimplexDesign. Newer Post Older Post Home. Agree with you harish kumar If you got the solution kindly share with us. Quote and Order boards in minutes on https: Telecommunication and Electronics Projects.

Function msdelay has been created to create delay in milliseconds and called frequently in the program, it is called so that LCD module can have sufficient time to execute the internal operation and commands.

Submitted by admin on 12 September Each MCU has its own advantage and disadvantage. Middle leg of the variable resistor is connected to PIN 3 and microcoontroller two legs are connected to voltage supply and Ground.


AT89C52 Microcontroller

Although it may be time taking because you need to understand and connect 16 pins of LCD to the microcontroller. Designed by Gabfire Themes.

If you are planning on serious programming and expansion with community support then Keil is recommended. Thanku for ur explanation and code. And we will set it to 0 if we are sending some command instruction like clear the screen hex code The above video shows lcd interface on bread board Can this project be shown on general purpose board??? Posted by Muhammad Ahmed on Get Our Weekly Newsletter!

89S52 Microcontrollers IC

I have used these Pins in above circuit. Some important command instructions are given below: Check your circuit connections again. Code Explanation I have tried to explain the code through comments in code itself.

Some important command instructions are given below:. TL — Programmable Reference Voltage. microcontroloer

Microcontroller AT89S52 Description – Telecommunication and Electronics Projects

Arduino, Keil uVision are the most used platforms to name a few. Contrast Setting, connected microcontrollet Vcc thorough a variable resistor. Hello, this very post is related to the RPM meter project. RS is the register select pin. Enable, a high to low pulse need to enable the LCD. The datasheet of the AT89S52 Microcontroller and more detailed Features can be found at the bottom of this page.

89S52 Microcontrollers IC

There are two different memory types: Circuit diagram for LCD interfacing with microcontroller is shown in the above figure.


Also simulating you program on software before trying it on hardware will save a lot of time. So first let’s understand the 16 pins of LCD module. Shortly, RAM is used to 89×52 variable during program execution, while the EEPROM memory is used to store the program itself, that’s why it is often referred micrpcontroller as the ‘program memory’.

A simpler architecture can be represented below.

It is the CPU that will Read the program 8s52 the FLASH memory and Execute it by interacting with the different peripherals Diagram below shows the pin configuration of the 89S52, where the function of each pin is written next to it, and, if it exists, the dual function is written between brackets. Getting Started with Microcontroller.

This pin is used to enable the module when a high to low pulse is given to it.

A pulse of ns should be given. Since it is similar to the trust worthy architecture these microcontrollers are as per industry standard.

Atmel microcontroller can be programmed with different software’s that is available in the market. Most of the ports of the 89S52 have ‘dual function’ meaning that they can be used for two different functions.