Programming 8051

/Programming 8051

8051 Pin Diagram

By |2018-12-14T22:27:33+00:00May 27th, 2017|8051 Projects, Programming 8051|

VCC - 5V Supply Port 0(p0.0 to p 0.7): It is eight bit bidirectional I/O port. During external memory access, it functions as multiplexed data and law order address bus AD0-AD7. Port 1(P1.0 to P 1.7): It is eight bit bidirectional I/O port, when logic 1 then it works as Input mode. Port 2(P2.0 to P2.7): It is [...]

8051 LED Interfacing with Delay

By |2017-05-29T01:36:24+00:00April 18th, 2017|8051 Projects, Electronics, Programming 8051|

In this tutorial we learn about how the 8051 LED interfacing with delay generation is done . Time delay generation in 8051 architecture is done by the two methods. Using a simple loop logic Using internal timer register Programming Example 1 1.  Write an embedded C program to continuous flashing the LED connected to port 2. Algorithm: [...]

8051 Based DTMF Control AC Appliances

By |2017-05-27T14:36:02+00:00April 18th, 2017|8051 Projects, Electronics, Programming 8051|

DTMF  dual tone is multiple frequency tone which is generated by  phone when the key is pressed. This tone can be used at various applications to control the hardware. DTMF based home appliances is the one of the application of them. When the two phones are connected for the call at that time when the [...]

8051 Microcontroller

By |2017-05-27T18:59:21+00:00April 13th, 2017|8051 Projects, Electronics, Programming 8051|

Introduction 8051 has internally Harvard architecture developed by Intel in 1970s for use in embedded systems. It has basic features of microprocessors with internal ROM, RAM, input output ports inbuilt on a single chip. Microcontroller is a device in which entire computer manufactured on a single chip. Microcontroller has 3 basic sizes: Standard, short, extended [...]

LED Interfacing

By |2018-12-14T23:06:54+00:00February 17th, 2017|8051 Projects, Programming 8051|

In this tutorial we understand the interfacing of LED with 8051 microcontroller. Here is the first pattern to glow all LED’s connected with output  AT89C51.  Circuit  Principle The main principle of circuit is to interface LED’s to the 8051 microcontroller and performing different patterns with LED’s. Here first i have introduce a very basic operation [...]

Types of Diode

By |2017-02-17T15:09:32+00:00February 10th, 2015|8051 Projects, Articles, AVR Microcontroller, AVR Programming, Electronics, Programming 8051|

What is a diode: - When P type semiconductor and N type semiconductor connected with each other than new formed device is known as PN diode which formally known a diode. Diode is a switch, which consist two terminal electronic components that’s why it is called diode. It has asymmetric transfer characteristic with low resistance [...]

Embedded C Programming

By |2013-11-07T13:34:39+00:00November 7th, 2013|Programming 8051, Uncategorized|

Basic Structure of 8051 Programs This post helpful to understand first basic Program writing in Embedded C programing in various IDE platform and this one can be implemented in the keil C IDE compiler Header file #include<reg51.h> Main function void main () { Logic to run program infinite times while (1) { Statement(s)  } }

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