| CODE - ASSEMBLY LANGUAGE | ||
| ROUTINE | CONTRIBUTOR | DESCRIPTION |
| 1 24-bit HEX to 6 decade Decimal convers | Manoj R. Thakur | It convertes 24-bit binary to decimal(BCD) in short time |
| 1 4 decade 7 Segment display interface | Manoj R. Thakur | 4 decade 7 Segment display interface,This code is not tested |
| 1 ADC0808 Interfaing | Manoj R. Thakur | ADC0808 Interfaing with 89C51 |
| 128x64 Graphic LCD using KS0108B | Raghunathan | This code can be used to check out basic functions of a 128x64 graphic LCD KS0108B from Samsung. |
| 12BIT ADC ASM CODE FOR TLV2543 WITH AT89 | Sd Dwivedi | 12BIT ADC ASM CODE FOR TLV2543 WITH AT89C52 BY S.D.DWIVEDI BANDA U.P. INDIA MOB- |
| 12BIT ADC MCP3202 ,3204,3208 DRIVER | Sd Dwivedi | 12BIT SERIAL ADC MCP3202 ,3204,3208 DRIVER for AT89c52 |
| 16 bit to 5 decade digits conversion | Slobodan Mandaric | With performance analysis. New, double faster |
| 16 BYTES CYCLIC BUFFER FOR SERIAL PORT | Mubashar Yasin | This code implements a 16 bytes cyclic buffer for 8051 serial port(20H to 30H). Memory pointers are stored in registers R0 and R1.Buffer size can be varied according to your requirement and size of RAM |
| 16*2 LCD display based Pulse Counter | Gagan Goswami | LCD(16 x 2) display based pulse counter. It counts pulses as 00:00.Two keys (1).Start/Stop (2).Reset. |
| 16-bit Square Root in asm | Bruno Marcio Diogo Venanc | Find out the square root of the 16-bit number |
| 32x32bit mult. , 64bit result | Ms. Jamie Sebenius | With permission, Author: James Rogers mul32bit subroutine written by James Rogers - www.jameswrogers.com - |
| 4bit code for 16x2 and 16x4 (HD44780 com | Asif Ali | This is another code from me, but now its 4-bit code and the pin discription is written in file ... so have fun and share knowledge. |
| 4function Calculator | Siavash Salemi | four function calculator with four 7seg and 4x4 keyboard.It can handle numerical(2digit numbers) operations using + - * / |
| 4x4 matrix key scan | Ashwin V | This code was actually designed to be made as a seperate module using at89c2051 so that it keeps scanning the keypad and alert the main controller when a key is pressed. |
| 8-, 16- & 32-bit integer maths routines | William Marshall | A selection of 8-, 16- and 32-bit integer maths routines. Included are 8- and 16-bit addition with limiters, useful in digital signal processing or control applications. |
| 8-bit LCD | Ebrahim Ali | 8 bit LCD routines with check busy flag before sending data, command to LCD |
| 8-bit Palindrome detection program | Nalage Shantanu Shrikant | This is a program to find out whether given byte is palindrome or not. For this the program uses the bit reversing approach. |
| 8-Bit, 16x2 LCD Code for HD44780 | Asif Ali | This code is for LCD in 8-bit mode and i have connected my AT89C2051 (with some pull-ups), Pin Description ...P1 DB,P3.7 E,P3.5 RS,P3.4 RW. |
| 8255 Interfacing 8051 | Ajay Bhargav | 8255 interfacing with 8051, includes schematic and C code. any quaries visit http://www.8051projects.net |
| 89c2051 based caller id | Vaibhav Bhaskar Ingale | Display the Phone number |
| A digital code Lock program | Piyush Keshri | A digital Code Lock which takes a 4 digit password from the user using 4*4 keypad and compares it with already stored password to open the door. or glow an LED |
| ADC & LCD interface | Gagan Goswami | ADC 0809 & LCD interface with 89C51. |
| ADC 16-bit Acquisition | Salman Ahmed | Program for Data Acquisition using ADC with 16 channel. This can be used with any 8-16 bit ADC. |
| Adding 3 bit | Adiatmo Rahardi | Adding 3 bit value (1A0734 + 051B25) in EDSIM51 |
| Animation in LCD | Gagandeep Singh | this code will help you to understand how to produce animation inthe alpha numeric lcd diaplay, here is the aniomation to sink the char . can be easily modified for other effects |
| ArcFour (RC4) | Samuel Ljungkvist | ARC4 is a secure and very fast 8-bit stream cipher/psuedo-random number generator, with a 2^1700 interval |
| ASM code to test DS12887 RTC | Charles Townsend | Test a DS1287, DS12887, DS12B87, DS12C87, or equivalent RTC, and display time to PC terminal @ 9600 baud. |
| AT89C2051 Microcontroller Alarm Clock Sc | Khalil Fathi | AT89C2051 Microcontroller Alarm Clock Schematic and Display with LCD |
| Autobaud Detection | Craig Steiner | A routine that will autobaud on the serial port. It will handle 150 to 19200 baud, and 38400 can be added easily by modifying the table. |
| avr proggramer | L. Imran Khan | avr proggrammer |
| Basic 52 Plus | Gary Muhonen | Basic "Plus" for the 8052. Extended version of the original Basic-52 that was placed into the public domain by Intel. |
| BCD 16-bit Conversion | Salman Ahmed | Routine for 16-bit hex to BCD conversion. Accepts a 16-bit binary number in R1,R2 and returns 5 digit BCD in R7,R6,R5,R4,R3(upto 64K) |
| BCD 16-bit Conversion | Bruno Marcio | 16-bit hex to BCD conversion. Very well documented. |
| BCD 24-bit Conversion | Oleg Sergeev | Routines for convert 24-bit binary to 4-byte BCD (three algorithms - Gorner and LUTs) |
| BCD 8-bit conversion | Craig Steiner | Short function which converts a single 8-bit value into two BCD digits and another function which does the reverse. |
| BINARY FSK DEMODULATION | Nedal Raed | baud rate 1200 space signal 1200 mark signal 2400 |
| BINARY FSK MODULATION | Nedal Raed | baud rate 1200 space signale 1200 mark signal 2400 |
| Buttons with debounce | Dave Fletcher | Detects state changes and performs debounce for push buttons. |
| Byte to ASCII | Jose Orlando T. Ribeiro | Converts 1 byte in accumulator to two ASCII characters representing the 2 hex digits. |
| Byte to ASCII conversion | Dmitry Vyshetsky | This routine transforms byte in A to two ASCII symbols in B,A. |
| calculator | Roozbeh Hamzeiyan | calculator with 4 7-seg & simple timer with 4*4 keyboard |
| Convert 0-5V A/D in B:A to BCD | Gary Peek | Convert 0-5 volt 12 bit A/D value in B:A to volts \"0.000\" to \"5.000\" in BCD |
| counting the rotory encoder with direc | Shankar C S | counting the rotory encoder with direction by finding out the the state of A pulse in the falling time of the B pulse if A is high Say forward if A is low reverse (depends on the system |
| CRC 16-bit | John Wren | A CCITT-16 CRC calculator. The source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) version. |
| CRC 8-bit | John Wren | A CCITT-8 CRC calculator. The source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) version. |
| CRC-16 | Igor Mikhaylyk | Simple cod for CRC_16 calculation |
| CRC16 fast | Jan Waclawek | CCITT CRC16 table and algo - fast and dirty |
| Day-Of-Week calculation | Jan Waclawek | Day-Of-Week calculation routine, together with a test |
| Decimal to binary | Babar Latif | Converts a 5-digit decimal number to a 3-byte binary value. Includes example code showing how to use the routine. |
| Decrement DPTR | Craig Steiner | Decrements the value of DPTR as if it were a DEC DPTR instruction. |
| Decrement DPTR | Juergen Christoph | 3 Versions of a DEC DPTR code |
| DES De/encryption | Kiwi Chen | DES encryption/decryption used in IC smart cards. Software hasn't been validated and lacks in-line documentation. |
| Digital Clock Diagram | Ranjit Kumar Gupta | Digital Clock Diagram, for further comunication please dial +91 9830213946 or mail us guptaranjitkumar@gmail.com |
| Digital IC Tester for 74 series | Binu | The chip tester verifies the functionality and timing of a variety of 7400 series integrated circuits. |
| DT-4000ZC serial data decoder | Emmanuel Coulon | Convert Digitek multimeter raw 7-segment display data to text |
| Extended opcodes | José Félix Díaz Ivorra | Very usefull macros that acts like extended opcodes like: Jump if equal, jump if greater, jump if greater or equal... |
| Filter by convolution | Igor Mikhaylyk | Low-pass signal filtering by convolution |
| Floating Point '51 | Jerson Fernandes | Floating point library for the 8052. |
| Frequency counter | Thomas Zepf | A frequency counter. Determines the frequency of the input on a given I/O line. |
| FULL DUPLEX SERIAL COMMUNICATION | Mubashar Yasin | This program outputs different messages from 8051 serial port on pressing the push buttons attached to P1. Also this displays the numeric data from the PC\\\'s keyboard on a 7-segment attached to P0 |
| GSM subroutines for 8051 | Sriram Sridharan | The code contains SRTs for serial communication [transmit and receive], LCD display, GSM communication for the 8051. A sample application to track vehicles using GSM network is included. Also available at http://sriraminhell.blogspot.com |
| Hex/Dec Convertor w/ LCD | Jacek Bogusz | rogram has a hex to decimal conversion routine, a decimal to ASCII converter, and a 4x40 LCD driver. |
| HM 55 Digital compass interfacing | Anoop Mathew.m | HM 55 Digital compass interfacing |
| HMI Interface | Shruthi Kumar | This is a document to explain the HMI Interface between a DSP and 8051 IC |
| I2C | Indeep Singh Sidhu | 24C32/64 interface with 8051 using KEIL C51 |
| I2C EEPROM 24Cxx support for SBC monitor | Emmanuel Coulon | 24C08 read/write/dump menu for SBCMon using its I2C subroutines |
| I2C library for keil IDE, written in C. | Ajay Bhargav | I2C library for keil IDE, written in C. with features of Bus fault, bus busy and slave not responding features. for more info visit http://www.8051projects.net |
| I2C library for single-master multi-slav | Ajay Bhargav | Provide APIs for I2C communication or generally known as TWI (two wire interface), this library is a light weight (99bytes approx.) and you can costly hardware with this simple code. Problems? visit www.8051projects.net |
| I2C routine | Laszlo Fisi | I2C routine with dynamical addressing for 24Cxx chips |
| I2C Routines for 8051 | Ebrahim Ali | Routines for simple access to the I2C-Bus |
| I2C with LCD display | Guy B. | I2C with LCD() display using ADuC812 board and EA T123A-I2C display |
| IIC routines | Mehdi | This code is for 24cxxx serial eeproms.But it can easily extend to other i2c devices |
| Illusion of Moving message display using | Amit Bhat | MC 89c51RD2 is interfaced with a 16*2 LCD to display message.TOPVIEW simulator is used to view the output |
| Intel .hex to binary and IAP | José Félix Díaz Ivorra | Do an IAP for T89c51rd2 and AT89c51rd2/ed2 of a line in format intel .hex to flash |
| Interactive Voice Response System | Binu | Allows the user to know the student’s attendance and marks quickly through the telephone line . Visit www.8051projects.info for more details |
| Interface Nokia3310 LCD with AT89C51 | Nimish Dave | Interfacing Nokia3310 LCD with AT89C51 using SPI.http://www.lcdinterfacing.info |
| Interfacing seven segment with 8051 | Nimish Dave | Circuit diagram at http://www.lcdinterfacing.info |
| Interrupt-based key read w/ debounce | Jim Flanagan | A state-based interrupt routine that can be used to read and debounce keypresses on up to 8 keys. |
| Kermit | Greg Pugh | send/receive files using the Kermit file transfer protocol |
| Keyboard Routines | Gabriel Lour | AT-style keyboard scancode to ascii conversion and detection of all kinds of keys. It sends commands to the keyboard too, so you can toggle the leds, reset, etc. |
| LCD (44780) Routines | John Wren | A number of functions which initialize a standard Hitachi HD44100/HD44780 LCD display and allows a program to write commands and/or straight text to the display. |
| LCD 4bit mode | Ashwin V | the code was written for an At89c51 clocked with a 11.0592Mhz crystal, if you are using a greater clock speed insert 8 to 10 nop\\\\\\\'s between RS and ENABLE operations |
| lcd and keypad assembely routines | Mehdi | a program for scanning keypad and all lcd routines. |
| LCD interface in 8bit mode | Ashwin V | 16x2 lcd interface, the initialisation can be altered to suite specific requirements, just follow the comments and the data sheets |
| LCD routines with printf | Gabriel Ortiz Lour | Routines to drive an LCD in 4 bit mode, with an very useful, printf like, printing routine that writes numbers on the stack on the display |
| LMX2326 Frequency Synthesizer | Abdul Mannan | The Code Programs National Semiconductor LMX2326 Frequency Synthesizer and has been written in AT89C2051 assembly and frequent comments have been added which makes it easy to understand |
| Math Routines | W G Marshall | A collection of math routines including 8-bit, 16-bit, 32-bit signed and unsigned addition, subtraction, multiplication, and division. Very nice code library with heavy in-line documentation! Been looking for multi-byte divide? Here it is. |
| Misc. Functions | John Wren | Lots of useful functions (Add/subtract DPTR, BCD/Ascii conversion, etc.) |
| Multiplicacion | Salvador Eduardo Martinez | Multiplicacion sin signo de 24 x 24 bits(R0,R1,R2) *(R3,R4,R5), 48 bits de resultado(R0,R1,R2,R3,R4,R5) |
| P.E. Time count | Ou Fuqiang | P.E. Time count |
| Port extender using 8574 | Sathish Kumar | This is the simple and very useful method for increasing the port lines.try this one.the code is given in 8051 assembley language |
| Program for square root of 8-bit number | Nalage Shantanu Shrikant | This is the program to find out the square root of the 8-bit number by traditional shift & subtract algorithm.The number is logically extended to 16-bit number & is stored in r0 & r1.The final answer is stored in r2.The 8-bit number will have 4-bit answe |
| ps2 keyboard interface | Dale Callaham | The essense of this code is to simply receive the serial stream of data from a PS2-type keyboard. No processing of the data is done besides assembling the bytes and stuffing into a ring buffer. |
| pwm signal generator as much you want | M Suzatob Aang | easy ways to generate pwm signal at your all mcs51 PORT (4 x 8 bit pwm signal) |
| RC-5 Remote decoding for 8051 MCU | Ajay Bhargav | RC-5 Remote decoding for 8051 MCU running at 11.0592MHz along with an addon sample program for usage. If you have any doubts please contact www.8051projects.net |
| Read PWM from CMPS03 Compass Sensor | Freddy Kurniawan | This program will read an angle from CMPS03 Compass Sensor. The angle will be stored in 16-bits hexadecimal and 3-characters ASCII format. |
| RS232 Interfacing | Manoj R. Thakur | RS232 Interfasing sample proram Using interrupt and polling |
| rs232 to rs485 schematic | Pramod Ramtekkar | circuit for rs232 to rs485 |
| RTC access code | Tomy Lee | Access RTC chip DS1302 with MCS51 |
| SBCMON Clock Example Assembly | Craig Steiner | 8052.com SBC Clock Assembly Source |
| SBCMON Clock Example Hex | Craig Steiner | 8052.com SBC Clock Assembly Hex |
| SBCMON Keypad Assembly | Craig Steiner | 8052.com SBC Keypad Example |
| SBCMON Keypad Hex | Craig Steiner | 8052.com SBC Keypad Example Hex File |
| SBCMON LCD Echo Assembly | Craig Steiner | 8052.com SBC LCD Echo Example Source |
| SBCMON LCD Echo Hex | Craig Steiner | 8052.com SBC LCD Echo Example Hex |
| SBCMON PS/2 Example Assembly | Craig Steiner | 8052.com SBC PS/2 Example Assembly |
| SBCMON PS/2 Example Hex | Craig Steiner | 8052.com SBC PS/2 Example Hex |
| SBCMON PS/2 Keyboard Example Assembly | Craig Steiner | 8052.com SBC PS/2 Keyboard Example Assembly |
| SBCMON PS/2 Keyboard Example Hex | Craig Steiner | 8052.com SBC PS/2 Keyboard Example Hex |
| SBCMON PS/2 Mouse Example Assembly | Craig Steiner | 8052.com SBC PS/2 Mouse Example Assembly |
| SBCMON PS/2 Mouse Example Hex | Craig Steiner | 8052.com SBC PS/2 Mouse Example Hex |
| SBCMON Software Clock Example Assembly | Craig Steiner | 8052.com SBC Software Clock Assembly Source |
| SBCMON Software Clock Example Hex | Craig Steiner | 8052.com SBC Software Clock Example Hex File |
| SBCMON v13 Assembly | Craig Steiner | 8052.com SBC Monitor Program Source Code |
| SBCMON v13 Hex | Craig Steiner | 8052.com SBC Monitor Program Hex File |
| scanning code for rolling led matrix dis | Manish Deorao Meshram | this is the prog use for rolling led matrix board of 48 coloums and 8 rows , you can edit the msg as you like give in prog . hope you will ejoy for any prob mail me tm1234@rediffmail.com |
| Scans a 4x4 keypad and returns pressed K | Manoj Kumar Meena | This code scans a 4x4 Passive Matrix keypad and returns the corresponding User Input character with debounce mechanism |
| Serial comms with SCC2692 DUART | Emmanuel Coulon | simple code to add to SBCMon for testing serial I/O with SCC2692 DUART (no flow control) |
| Serial Communication | Gagan Goswami | Serial Communication with RS232. |
| Servo Controller | James Bowmaster | Code for controlling up to eight servos from an 8051 (11.0592 Mhz) |
| Simple Home /office Automation System as | S D Dwivedi | Simple Home /office Automation System asm code anyone can contect for circuit for project mail sddwivedi@bandatele.com mob-09415171555 |
| Simulate multiple DPTRs | Reg Drake | Allows a program to operate as if it had multiple DPTRs, even on a standard 8051 that has only a single DPTR. |
| SkipJack encrypt/decrypt | Jan Waclawek | Skipjack block cipher and its inverse implementation, smaller vs. faster versions |
| Subroutines for 20x4 LCD | Manoj Kumar Meena | This code contains all the subroutines required for initializing, Displaying, Clearing Display, Positioning cursor at required place & Displayinga store Menu for Code Memory with proper formatting |
| T6963-based GLCD demo | Jan Waclawek | T6963-based GLCD demo, Metalink assembler |
| TEA decryption | Jan Waclawek | Implementation of inverse of the original TEA cipher by Wheeler and Needham in asm51. |
| TEA encryption | Jan Waclawek | Original TEA cipher by Needham&Wheeler in asm51 - a really tiny encryption routine |
| this program scans the 4*4 keypad to det | Piyush Keshri | The speciality of the program is that it takes into the account the debouncing problem of the keypad button so that the program can work accurately. |
| to find the no of times the number is in | Md Zafar Iqbal | In a given Array it will find out that how many times the number is appered in the array and it will also check its parity (either even parity or odd parity) |
| transfer-receiver routine | Laszlo Fisi | 255 byte wide transfer-receiver module for UART |
| wireless using TLP and RLP Modules | John Smith | Wireless using TLP and RLP Modules and 89C2051 |
| XTEA decryption | Jan Waclawek | Inverse of modified TEA cipher by Needham&Wheeler in asm51 |
| XTEA encryption | Jan Waclawek | Modified TEA cipher (also TEAN) by Needham&Wheeler in asm51 |
| CODE - 'C' | ||
| ROUTINE | CONTRIBUTOR | DESCRIPTION |
| small c program for led blinking | Nagnath Dhale | c- program for led blinking . |
| The ICL7135 ADC with 8X51 | Saeed Ansari | Driving the 20000 counts ICL7135 ADC |
| 7 segment ASCII fonts | Patryk Szpejankowski | Definition of (subset of) ASCII fonts for 7 segment display, for strings like HELLO!, Error, donE, StArt, PLAY, YES, no, CAnCEL. |
| 8051 OLIMEX LCD driver in C | Csmg Sarma | LCD program implementing 4-bit and 8-bit operation modes. Compiler is SDCC and controller is P89C668HBA |
| 8051/52 MIDI Examples | Dimitri Pavlovic | Two source codes for testing midi communication |
| 8052, 8051 RTOS | Vinicius Kursancew | A simple RTOS for 8051 with scheduler, semaphore and mutex. Optimized for the 8051 microcontroller and keil C51 compiler. Fine tuned for minimizing xdata access. Available also on http://www.vkcorp.org |
| 805X routines (pwm, timer0, keypad, etc) | Vinicius Kursancew | It has code to use the serial port, timer 0, alpha numeric LCD, 16 key matrix keypad (including schematics), a simple command interpreter shell, SHA1 hash, stepper motor control and software pwm generator. Easy to use API, has examples. |
| Absolute Encoder Positioner | Jacek Bogusz | How to connect and drive absolute position encoder with SSI serial interface. The encoder has been made by Siemens (6FX2001-5FS12). Archive contains: 1) schematic, 2) source in C and Assembler |
| AT24C512(I2C EEPROM) interfacing with P8 | Csmg Sarma | EEPROM Byte_write, Page_write, byte_read, current_read and page_read operations are implemented. The i2c functions are demonstrated using BIT BANGING. |
| Blink LED function from assembly _1 | Jacob Boyce | Example of using assembly language from 'C'. Main routine to blink and LED at four different rates. To be used with Blink_func.a51 and Delay_func.a51 uses indirect memory to pass values to assembly language routine |
| Blink LED function from assembly _2 | Jacob Boyce | An assembly language function to blink an LED; to be used with Main.c |
| Blink LED function from assembly _3 | Jacob Boyce | An aasembly language function to delay for 5 seconds to be used with Main.c |
| C code and Proteus Design for LCD Driver | Shahid Javed | this folder contains Keil project c code and proteus simulation project |
| C code for RTC Ds1307 with AT89C51 | S D Dwivedi | C code for RTC Ds1307 with AT89C51 result HPT Rs232 |
| connect lcd in 4 bit mode | Hossein Vismehe | connect lcd ( 8*1 untill 20*4 ) with 7 bit to your mcu |
| Digit Temperature meter | Tomy Lee | One wire read and write digit temperature meter. Range from -55~+125C +/-0.5C |
| Dot Matrix Display scrolling with AT89C5 | Uus Usman | Dot Matrix Display scrolling with AT89C52 using Keil C Compiler |
| DS1302 | Ganesh Kumar.sw | cntact me if any doubt via ganeshkumarsw@gmail.com |
| DS1307 RTC C code | S D Dwivedi | DS1307 RTC C code |
| Graphic LCD ( T6963 controller - T6963C | Hossein Vismehe | Graphic LCD ( 240X128 ) with AVR ( ATMEGA32 ) 240*128 |
| Graphic LCD with 8051 | Hossein Vismehe | 128 * 64 Graphic LCD win AT89C52 and higher |
| Graphic LCD with AVR | Hossein Vismehe | 128 * 64 Graphic LCD win ATMEGA32 and other |
| Key Pad with D-MUX for 8052 controller | M.farooq Gul | key pad for microcontroller with minimum pins(open in rar file) |
| LCD 44780 clock with DS12887 | Raghunathan | Complete code in C for a LCD clock using the HD44780 display and DS12887 real time clock chip in non-mux mode with Intel Timing. Hardware : Silabs 80c51F020 development kit. |
| LCD 44780 clock with PCF8583. | Raghunathan | The code is for a full fledged clock using the P89C51RD2 driving the I2C bus in a bit banged mode. The LCD and I2C routines are made modular. Download the zip file and extract to a folder. Developed on Keil UV3 IDE |
| LCD files for 2 lines | Lehuma Nthite | Contains Initializing files, Moves cursor to right or left, select a segment on the LCD |
| LCD Graphical | Hamid Moghaddam | LCD Graphical with 8052 or higher |
| Macros for Video Terminal control | John Myers | Macros to control color, cursor position and other attributes of a video terminal emulator like hyperterminal ( VT100 / ANSI) |
| miladi to shamsi ( Just For Iranian ) | Hossein Vismehe | miladi date to shamsi and shamsi to miladi ( C code ) for use in microcontroller's |
| PCF8563[I2C - RTC] and 25AA020A[SPI- EEP | Csmg Sarma | The samples are written for P89v664 controller and on SDCC. I2C subroutines are implemented by bit banging and SPI communication is established with SPI controller. Read the README.TXT before starting. |
| Polled Hardware I2C routines | Prahlad J. Purohit | Routines for master mode i2c for reading and writing to i2c eeproms and ADC. |
| RC5 Decoder | Thomas Zepf | A simple RC5 decoder written in 'C'. Written to emulate a SAA3049. |
| Real Time Clock DS1302 interfacing with | Aamer Mumtaz | This circuit displays time, day, date, month and year on LCD display. You can set time and date with only 2 buttons. The code has calander function as well, so that you have to only adjust date, month & year. It will calculate day itself & will display it |
| serial eeprom AT24CXX with 8051/52 | Rajesh Bhandari | this C file contains all the functions required to communicate between 8051/52 and AT24CXX, the comments makes the usage of the function very clear. The program was tested successfuly for AT89S52 and AT24C08 |
| Serial I/O Routines | Mark A. Odell | Ring buffered, interrupt-driven UART driver, written in Keil 'C'. |
| Small Flash File System for Dataflash | Hein De Kock | The file system implements a floating fat to prevent excessive wear of any aria. Each fat or file page is indexed and has a reference to its previous and next page if such a page exits. The fat contains the file name, first page address, first byte offset |
| SMBUS library | Brian Michalk | Library which implements most of the SMBUS states for the Cygnal F300 and F330 CPU |
| HARDWARE - SCHEMATICS | ||
| ROUTINE | CONTRIBUTOR | DESCRIPTION |
| 8 bits cmos | Wilson Roberto Basso | 8 bits cmos micro controller |
| Idea | Hamid Moghaddam | Idea-6 LEDs off only 3 Pins |
| PDF for simple fm receiver | Jez Smith | PDF for simple fm receiver |
| HARDWARE - OTHER | ||
| ROUTINE | CONTRIBUTOR | DESCRIPTION |
| 74ls373 lath testing diagram | Nagnath Dhale | 74ls373 lath testing diagram |
| Freeram library | Jez Smith | VHDL library for ram,dualport ram,syncronous and asyncronous FIFO functions |
| hardware implementation of rc4 PSBR gen | Jez Smith | hardware implementation of rc4 PSBR gen |
| ISP Programmer for 89S51/52 EZDL4 | Charles Townsend | ISP Programmer for 89S51/52 for use with EZDL4.exe windows application using Serial or USB port. |
| MCS-51 in debug mode | Hossein Vismehe | run every instruction in every external interrupt clock |
| Mods for T51 8051 compatable controller | Jez Smith | New multiply divide + dual port ram |
| Point Finder Robots | Hamid Moghaddam | Point Finder Robots |
| Quad Decoder | Jez Smith | Hardware quadrature decoder with digital filtered inputs suitable for implementation in a small CPLD. |
| simple 64x64 8 colour vga controller | Jez Smith | Altera FPGA based VGA controller. |
| Switch debouncer | Jez Smith | Hardware switch debouncer with tristateable outputs |
| APPLICATIONS - WINDOWS/PC | ||
| ROUTINE | CONTRIBUTOR | DESCRIPTION |
| 89S5X ISP PROGRAMMER | Hossein Vismehe | AT89S51/2/3/8252 ISP Programmer with LPT |
| bmp2asm | Khalil Fathi | Bitmap convert to Assembly for used Graphics LCD |
| EaseMicro51 | Ekawahyu Susilo | Complete package for AT89S51/52 of Another Text Editor ver 1.7, MetaLink Cross-Assembler 1.2h, and AEC ISP Programmer in one floppy disk only. No need to install, just unzip and run EASE51.BAT. |
| perl code and test bench for fractional | Jez Smith | perl code and testbench to generate fractional clock dividers |
| Timer & Baud Rate calculator for 8051 | Munish Kumar | Calculate values to load in THx & TLx for a specific Baud Rate/Delay for a particular crystal frequency. |
| APPLICATIONS - LINUX | ||
| ROUTINE | CONTRIBUTOR | DESCRIPTION |
| 8051 ISP Programmer | Gabriel Ortiz Lour | Simple ISP programmer that only needs a simple cable connecting the PCs LPT port to the board. It can program Intel HEX files. Tested only with AT89S51 and AT89S52. With source code, but program messages in Brazilian Portuguese, easy to understand/transla |
| 89C450 ISP using Python | Michel Peru | Python code to download a intel format file to a 89C450 via a serial link and very few hardware (check manual of 89C450). Tested on Linux and XP. Use as "python dwl.py filename". |
| Linux terminal for NMIY-0031 series 8051 | Ian Bell | The NMI 8051 development boards use a monitor program that expects the user terminal to wait for it to echo a character before it sends the next one. Most terminals don't do this so I wrote this tcl/tk terminal script which does. |
| Simple interface to Kanda SBC | Ian Bell | Tcl/Tk app to program Philips 8052 chips using ISP |
| tcl/tk ISP application for 89V51RX2 | Deepak Barua | This ISP programmer connects via serial port to the 89V51 chip that i have on my ibot board ( robotics control board ) supports 8051 phillips chips like P89V51RD2FN. |
If you have code, hardware, or 8052-related applications that you believe would be of interest to other 8052 developers and you'd like to share it please submit it here. You will receive full credit for the code you submit and will be able to update or delete it at any time.