Interfacing is a technique that has been developed and being used to solve many composite problems in circuit designing with appropriate features, reliability, availability, cost, power consumption. Apr9600 is a single chip voice recorder and playback device with nonvolatile. Interfacing microchip mcp3201 ad converter to 8051based. Microcontrollers notes for iv sem ecetce students saneesh. Voice recording and play back circuit using apr9600. Interfacing gps receiver with 8051 microcontroller at89c52.
And with little bit modification, this assembly program can be used for. This paper describes the concept using a microcontroller based system. This voice chip has a playback options, so that we can playback the stored voice and listen through the speaker. How to interface 8051 with an apr9600 module quora. This section will help to enable those with limited electronics experience to successfully complete these interfacing tasks. Jan 30, 2016 circuit of interfacing adc0808 with 8051 is little complex which contains more connecting wire for connecting device to each other. Whenever the person serial interface, spi serial port, 6 channels 10 bit ad. The mcp3201 is a fast 100khz 12bit ad converter featuring low power consumption and power saving standby modes. Also, variants of the chip will allow a lot more memory devices and io devices to be accommodate within the chip but such enhanced. Modelsim how to force a struct type written in systemverilog. Research journal of pharmaceutical, biological and. Lcd is connected to port 2 of the microcontroller for displaying output. Microcontroller many operational codes opcodes for moving external memory to the cpu.
Applications of interfacing devices with microcontroller. Wireless communication using rf module and interfacing with. However to perform the operation we need an input device to enter the data and in turn output device displays the results of the operat. Last sem i helped my friends in completing a project in which they have to use voice for that i used apr9600 with lm386 in random access mode interfaced to 89s52. Dec 05, 2017 in this project we are going to tell you about how to interface 8051 microcontroller with 16 2 lcd. These devices that are interfacing with 8051 microcontroller are used for performing special tasks or functions are called as interfacing devices.
The microcontroller accesses both rows and columns through the port. Gain valuable assembly code programming knowledge with the help of this newly revised book. Dtmf, voice module, gsm, microcontroller 8051, ivrs. Please refer to datasheet of apr9600 instead of switches in the circuit you can use. The steps involved in interfacing an lcd with 8051 1. A microcontroller contains one or more cpus processor cores along with memory and. Keypad interfacing 8051 microcontroller with programming guide. Microcontroller 8051 and its interfacing linkedin slideshare. Singlechip very low power rf transceiver with 8051. How is the atmega328 better than the 8051 microcontroller. Lcd is used to display the latitude and longitude, it will continually update the gps data, and i have used keil compiler to program 89c51 in embedded c. The system is realized using a gps module sr92 and a voice module apr9600 interfaced. Keypad interfacing with microcontroller at89c51 using this. Uart in 89c51 is used here to connect gps with microcontroller.
This is to certify that the thesis entitled analog to digital convertor interface with 8051 microcontroller, submitted by debanand majhi roll. The first microprocessor 4004 was invented by intel corporation. In this chapter, we will learn about the interfacing, circuit diagram and firmware for this project. Hacking the baofeng uv5r interfacing with the voice chip. Jan 30, 2008 i want to interface ethernet controller ic with our regular mcu 8051. We can control module through controller via this serial interface.
Embedded systems 8051 microcontroller tutorialspoint. The ultrasonic module is interfaced to the microcontroller through p3. Apr9600 is a lowcost high performance sound recordreplay ic. Interfacing to the pic microcontroller this section explains how to interface many different input and output devices to the pic microcontroller. The rf transceiver can be programmed for operation in the 300 mhz range, and is designed for very low power wireless applications. It also has 8k bytes of onchip program rom instead of 4k bytes. Pinout of the 8051 microcontroller nc stands for no connection. Port0 used for transmitting the 8 bit display data to the display and port pins p1. A pic microcontroller is a single integrated circuit small enough to fit in the palm of a hand.
Atmel 8051 microcontrollers hardware 1 0509c80510706 section 1 8051 microcontroller instruction set for interrupt response time information, refer to the hardware description chapter. Apr9600 is a lowcost high performance sound record replay ic. Because the dc motor uses large current200300ma in small dc motors to run. Operations on sfr byte address 208 or bit addresses 209215 that is, the psw or bits in the psw also affect flag setti ngs.
Peripherals interfacing to the microcontroller 8051 in. Write the command to the datacommand port of the lcd through our 8051 microcontroller. Gps based voice alert system for the blind semantic scholar. The voice alarm is produced with the help of apr 9600 which stores. If the program fits into the on chip rom and if the internal ram is sufficient, the mcs 51 family of microcontrollers requires no additional logic to implement a complete controller system. Rc5 protocol and interfacing with microcontroller snr. A 16x2 character lcd module is the most basic electronic display device. In this article you will learn how to interface, analog to digital converter with 8051 microcontroller. Ethernet controller interfacing with mcu 8051 free. Oct 18, 2015 interfacing gps with 8051 microcontroller october 18, 2015 by administrator 23 comments a gps module is a device that uses global positioning system to determine the location of a vehicle or person. To send voice commands clk period is about 1ms clk goes high for about 6 clock periods 8 bits of data are shifted with the clock msb first each 8 bit number represet a voice stored in the chip some example speeches i did not try all 256 locations, just a few.
This application uses apr9600 voice chip for storing and playing recorded video which is integrated with 8051 micro. I2c interface to 8051 microcontroller application staff introduction to i2c the i2c interintegrated circuit bus is a 2wire serial bus which provides a small networking system for circuits sharing a common bus. The apr9600 block diagram is included in order to give understanding of the. Voice chip apr9600 interfacing with 8051 micro controller is mainly used in mobile communication for recording and replaying the voice message according to the situation need. Apr voice recorder problem i have done that already, but not hearing any beep sound when there is a high to low transition on pin1. A 16x2 lcd is connected with 89s52 microcontroller in 4bit mode. Readers will be trained on programming the intel 8051 microcontroller, one of the most common microprocessors used in controls or instrumentation applications that use assembly code. Interfacing the dcmotor directly to 8051 microcontroller is not possible. The 8051 is a singlechip 8bit microcontroller which executes asm51 instruction set.
Voice based student and college information system ijiere. Note part of the external code memory can be located within the chip but we will ignore this feature for now. Oct 04, 2012 thedc motor requires more current to produce initial torque than in running state. Since the output of the pir sensor module has only two stages high 3. Singlechip speech recognition system based on 8051. Led blinking is the most basic project to see a physical output through a microcontroller. Interfacing alcohol sensor with microcontroller is shown in figure. Wireless communication using rf module and interfacing. The 8051 has 4 io ports p0 to p3 each with 8 io pins, p0. This application note will demonstrate how easy it is to connect the mpc3201 to an 8051compatible microprocessor.
This application uses apr9600 voice chip for storing and playing recorded video which is integrated with 8051 micro controller. Firstly, you have to record voice for 8 different input. It can store voice upto few seconds using the mic as the input device. Msp430 microcontroller basics, john davies, elsevier, 2010 indian edition available reference books. Embedded based hand talk assisting system for deaf and. Interfacing free microcontroller projects 8051avrpic. Ultrasonic range finder using 8051 the ultrasonic module is interfaced to the microcontroller through p3. Go through apr9600 pdf file and you will get everything.
In modern terminology, it is similar to, but less sophisticated than, a system on a chip soc. Mckinlay, the 8051 microcontroller and embedded systems, prentice hall. Mute input device vocalizer could be a massive scale microcontroller based mostly system. Here we have explained about how can we print the text in both rows of lcd and then how to.
Apr 16, 2012 the video contains steps and tips for interfacing an led to a 8051 microcontroller. Basic code examples are provided for users of the basic. The 8051 considers any voltage between 2 and 5v at its port pin as high and any voltage between 0 to 0. A simple ultrasonic range finder using 8051 microcontroller is presented in. The apr9600 devi ce offers true singlechip voice recording, nonvolatile storage. To design a circuit diagram for mute keypad vocalizer using. What are the advantages of using the 8051 microcontroller. Following code can be using for 8051 and 8052 ics like. Voice chip apr9600 interfacing with 8051 micro controller.
This sample code for eeprom 24c16 can be used in electronics projects. The third edition teaches current principles of computer architecture including simulation and programming, with new. The module will consist of 2 rows each with 16 columns. Oct 07, 2018 principle behind interfacing led with 8051 the main principle of this circuit is to interface leds to the 8051 family micro controller. The circuit is so designed that when push button s1 is depressed the led d1 goes on and remains on until push button switch s2 is depressed and this cycle can be repeated. Singlechip speech recognition system based on 8051 microcontroller core article in ieee transactions on consumer electronics 471. Single and multichip microcontroller interfacing 1st. Gps based blind man device with user input interfacing voice based intellectually finds the. Input port and input apr96600 port declaration in top module 2. The 80518052 microcontroller architecture, assembly language, and hardware interfacing craig steiner universal publishers boca raton, florida. Unlike, pic microcontroller, arduino and avr microcontroller, 8051 microcontroller do not have built in adc.
Adc0804 interfacing relay interfacing stepper motor interfacing dc motor interfacing applications of 8051 queries9212012 er. Interfacing pir sensor to 8051diy intruder alarm circuit. Port1 pin1and pin2 of microcontroller is connected to rs and en pins of lcd respectively. The 8051 microcontroller is an 8bit microcontroller introduced by intel corporation. Apr33a3 11 minutes voice recordplayback board features. A microcontroller mcu for microcontroller unit is a small computer on a single metaloxidesemiconductor mos integrated circuit chip. Jun 17, 2015 circuit diagram for lcd interfacing with 8051 microcontroller is shown in the above figure. This application note will demonstrate how easy it is to connect the mpc3201 to an 8051 compatible microprocessor.
Interfacng 8051 and pushbutton the circuit diagram for interfacing push button switch to 8051 is shown above. In this chapter, we will learn about the lcd interfacing with 8051 microcontrollers, its registers, initialising the lcd, sending the. The 8051 microcontroller and embedded systems using assembly and c, muhammad ali mazidi and janice gillespie mazidi and rollin d. Lcd interfacing with 8051 microcontroller at89s51 is an electronic device falling under the category of the microcomputer. In 1981, intel introduced an 8bit microcontroller called the 8051. The microcontroller is the central part of the system which is responsible for coordinating the input. Traditional microprocessor circuits contain four or five separate integrated circuits the microprocessor cpu itself, an eprom program memory chip, some ram memory and an inputoutput interface. The cc1010 is a true singlechip uhf transceiver with an integrated high performance 8051 microcontroller with 32 kb of flash program memory. It was referred as system on a chip because it had 128 bytes of ram, 4k byte of onchip rom, two timers, one serial port, and 4 ports 8bit wide, all on a single chip.
The circuit is so designed that when push button s1 is depressed the led d1 goes on and remains on until push button switch s2 is. Define function for sending command to the lcd using 8051 a. Interfacing is one of the important concepts in microcontroller 8051 because the microcontroller is a cpu that can perform some operation on a data and gives the output. However to perform the operation we need an input device to enter the data and in turn output device displays the results of the operation. One can understand the concept of io configurations of the gpio port in a microcontroller with the simple led blinking project. Zigbee is interfaced with 8051 microcontroller acts as. When the differences between microprocessor and microcontroller are mentioned in the previous tutorial, the main difference can be stated as on chip memory i. Led interfacing with 8051 microcontroller example program. When this current flow into the 8051 microcontroller,the ic will get damaged. Microcontroller interfacing techniques document revision. In this circuit we have mainly used at89s52 as 8051 microcontroller, adc0808, potentiometer and lcd. It is basically an 8bit cmos device capable of performing high at lowpower and comes with flash programmable and erasable readonly memory perom of 4k byte size. Ultrasonic range finder using 8051 and hcsr40 ultrasonic module.
In this chapter, we will learn about the interfacing, circuit. Jan 17, 2016 this article focused on gps interfacing with microcontroller and lcd 16. Programming and interfacing the 8051 microcontroller in c. Programming and interfacing the 8051 microcontroller in c and. Multipurpose reprogrammable digital device semiconductor ic9212012 er.
The devices on the bus can vary from microcontrollers to lcd drivers to e 2proms. It is 40 pin ic 8051 the intel 8051 is an 8bit microcontroller which means that most available operations are limited to 8 bits. Keyboard is organized in a matrix of rows and columns as shown in the figure. The circuit diagram for interfacing pir sensor to 8051 microcontroller is shown below.
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