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.

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And set it to 1, if we are reading from LCD module. Middle leg of the variable microcontorller is connected to PIN 3 and other two legs are connected to voltage supply and Ground.

Convert to Blogger by SimplexDesign. Log in or register to post Comment. Designed by Gabfire Themes. This pin is used to enable the module when a high to low pulse is given to it. Some important command instructions are given below:. Check your circuit connections again.

Pin 3 V0 is connected to voltage Vcc through a variable resistor of 10k to adjust the contrast of LCD. Getting Started with Microcontroller.

AT89C52 Microcontroller

Those ports can be used to output DATA and orders do other devices, or to read the state of a sensor, or a switch. Telecommunication and Electronics Projects.


Posted by Muhammad Ahmed on Their collection has just piled up after Microchip has acquired Atmel. The Microcontroller also has Operating mode, Idle Mode and Power down mode which makes it suitable for battery operated applications. Contrast Setting, connected microcojtroller Vcc thorough a variable resistor. Also simulating you program on software before trying it on hardware will save a lot of time.

A simpler architecture can be represented below. Generally this is set to 0, because we do not have need to read data from LCD. Arduino, Keil uVision are the most used platforms to name a few.

AT89S52 Microcontroller Pinout, Pin Configuration, Features & Datasheet

Feel free to leave a response. The below points are just suggestions which might help one to select a MCU.

And control pins RS, RW and E to the pin 12,13,14 pin 2,3,4 of port 3 of microcontroller respectively. You must first of all glance over the project here. Shortly, RAM is used to store variable during program execution, while the EEPROM memory is used to store the program itself, that’s miicrocontroller it is often referred to as the ‘program memory’.

Hello, this very post is related to the RPM meter project. Get Our Weekly Newsletter!

The datasheet of the AT89S52 Microcontroller and more detailed Features can be found at the bottom of this page.


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. Blog Archive Enable, a high to low pulse need to enable the LCD. Since it is similar to the trust worthy architecture these microcontrollers are as per industry standard.

Each MCU has its own advantage and disadvantage. Can microcotroller tell me how to store multiple strings into LCD? Circuit diagram for LCD interfacing with microcontroller is shown in the above figure. Diagram below shows the pin configuration of the 89S52, where the function microcontrollet each pin is written next to it, microfontroller, if it exists, the dual function is microcontropler between brackets.

You can follow any responses to this entry through the RSS 2. And we will set it to 0 if we are sending some command instruction like clear the screen hex code If you are planning on serious programming and expansion with community support then Keil is recommended. Atmel microcontroller can be programmed with different software’s that is available in the market.