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  • AVR microcontroller(AT90S8515) with 24C04 Memory

    Hi,

    I am interfacing an AVR microcontroller(AT90S8515) with 24C04 Memory . Can anyone guide me to write data into the Eeprom and to read the same.

    thanks in advance

    bye
    stephen

  • f11

  • coded keyboard

    can anybody tell what is 16 keys coded(2 of 4 type) keyboard for interfacing with microcontroller and how does it work. plz send some links.

  • Memory management

    I used 64k external code memory and 64k external data memory
    So in assembly we will can use movc and movx instruction to access code and data memory but how can we access code and data memory using C language because both the memory will have same memory…

  • Convert Assembly code to Keil C

    Amount line code about 300. So that, you could help me by indicate some ebook step by step to solve this case.


    If anyone can help me to convert,i'm very happy.


    Plz mail victorvn2003@yahoo.com
    MJ,


    Many thanks.

  • how to make loop (1sec) using djnc ,mov and nop only.

    hi
    i am jimmy and my problem is very simple but complicated. how to make a loop subroutine for 1 sec +500 microsec or -500 microsec by just using djnc, mov and nop.
    it is a 8051 problem so kindly help me.

  • Error 65: access violation (PC=0215): addr=--------

    Hi,
    Can anyone tell me what can be the cause.
    Error 65: access violation (PC=0215): addr=--------

    I am getting the above specified problem about 20 times. as soon as i start the kiel debugger on infineon's SLE66C168PE.

    Please Respond. if you have…

  • interfacing od an I2C compatible ADC with 89V51

    Dear ALL,
    I want to interface an I2C compatible ADC with 89v51. So is it possible. If possible then how do I do it.
    Thanking you.
    your's faithfully,
    ritu chindalia

  • , LCD , adc and temperature sensor interfacing with 8051

    urgent help needed: hi everybody im in problem that i have to submit my project if somebody here completly,properly,clearly tell the interfacing of lcd,adc and temperature sensor with 8051 microcontroller alongwidth proper code(in asp)
    thankx

  • Running a program from flash memory

    Hi all,

    This is my first program that I downloaded to the flash memory after modifying the Keil MCB251 board for flash programming.

    I used the ATMEL flip to download the Blinky program to the MCB251 board which has T89C51RD2. The programming and verifcation…

  • Baudrate for Keil Monitor 251 driver

    Hi,

    I have to use a Com port (Com3) through a USB serial converter to connect a MON51 at 37,5K.
    No problem to do that with the unique standard Com port (Com1) when configured at 38400 bauds through µVision2, but some WaitSate or DoState or ReadBlock…

  • How to incorporate CPP files in my "C" project

    Now, I am doing my project in C - I would like to do some additional VC++ files in my projects for Sending SMS through GSM. What i have to do. Give me resolution for this? Expecting asap.

  • C251 Compatible for 8051 devices

    Hi All,
    I would like to know whether the C251 Compiler kit can be use to develop program for the 8051 family devices. Your Helps will be appreciated.
    Thanks
    James

  • Query regarding "hidsdi.h" header file........

    I downloaded a source code about USB device drivers by Jan Axelson. The program on compilation showed a missing header file "hidsdi.h". I wish to know if its possible for you to send us this header file? Is it possible that we can run and test our drivers…

  • PWM using PCA

    Hi,
    I was trying to configure the CEX3 of Atmel TSC80251G2D( 80C251). Here follows my initialization code. I dont see a PWM output.
    Any one has any comments? If so please help.

    void pca_configure()
    {
    CMOD = 0x0; /* Internal Clock */
    CCAPM3…

  • Problem with OH51-v2.6

    I tried creating hex file using OH51-v2.6 from DOS prompt.
    This s the error msg i get.

    OBJECT TO HEX FILE CONVERTER OH51 V2.6
    COPYRIGHT KEIL ELEKTRONIK GmbH 1991 - 2001

    GENERATING INTEL HEX FILE: ledswitch.hex

    *** ERROR: UNKNOWN RECORD TYPE 0FH
    *…

  • DEFINE directive in A251

    Hello dear colleagues!
    I was download Ñ251 Version 3.60 Evaluation Software. I have a problem: compiler message is "UNKNOWN CONTROL" DEFINE directive in A251 SAMPLE.ASM DEFINE (check, NoExtRam).
    Would you like to help me, from which compiler…

  • lph7366 doubt

    nokia lcd(5100,6110etc)
    lph7366 ,driver-pc8544(philips)
    preferred:micorcontroller 805x series

    where can i find the code for interfacing it

  • monitor-251 in eval version.

    I put the monitor-251 code in the target device, and connect to pc with a seiral-cable.
    The connection is fail, and I check the monitor-251 code.
    I find the monitor-251 is waiting for receiveing the data-byte(D6h) from PC.
    But PC always send the data…

  • Weird screen output from DOS/4GW

    All of a sudden my C51 v5.50 is spewing out screen output like this:
    [Enter loader...In loader]
    PRIVATE ALLOCATION: LA 1F40000 - 270 Bytes - handle 1721DC0
    PRIVATE ALLOCATION: LA 1F50000 - 46960 Bytes - handle 1721DE0
    (allocated 289115 bytes for fixup…

  • Code banking (HUGE) + PSD834

    Hello,

    I have started a new project with a 80c251 microcontroller and PSD834F1 device and I want to use code Banking.

    I have just implement the following memory map:


    0x008000-0x00FFFF EEPROM from PSD
    0x018000-0x01FFFF NVRAM External
    0xFE0000…

  • please help me make this program run faster....thanks

    ////////////////////////////////////////////////////////////////////////////////
    //Author: Linh Tran
    //This program will create a square matrix A (given). Based on this matrix, the
    //program will find a square matrix B, which has same size as A. The…

  • C51 version 5.1 hangs on Windows XP

    My C51 compiler (part of PK51) in version 5.1 does no longer run after the workstation has upgraded to XP Professional (from W98). Whether started from a command line or from the IDE, the compiler will hang indefinitely.
    Any patches or thoughts?

  • bug with debugger or bugger debugger

    Hi, one more time a got problems :'-(

    in fact when i start degugger i got a message : couldn't load file "toto" debugger aborded.
    And after it crash the programm keil µvision2
    :-(

    Toto is the name of the project.

    So what could i…

  • error in C

    I have an error that says:
    error: two or more data types in declaration of 'main'. This is my declaration of main:
    int main(int argc, char *argv)
    any suggestions on how to fix it?