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  • Program hangs on machine if code size is greater than 44K

    I am using M27C512 chip. I am noticing that if code size is less than 44K, the obj works fine. As soon as it goes even 1 byte above 44K, program still compiles fine but when it is fired to controller program hangs anywhere in between when running. Is…

  • ADC programming

    I am using cygnal microcontroller C8051F000. can anyone please suggest how to program for ADC. it has inbuilt ADC.

  • how to access on chip and off-chip XRAM of p89c51rd2 in c

    how to access on chip and off-chip XRAM of p89c51rd2 in c

  • Evaluation tools, board and programmer for 8051 novice

    In order to begin to learn 8051 development I am considering using AT89C4051, Keil Evaluation software in conjunction with Allen Systems Micro Byte-51 board and <some programmer >

    Would someone be kind enough to recommend a Programmer ( off-the…

  • JHD 162A

    could anybody provide datasheets of JHD 162A LCD controller....or any link......its not available on the net on famous sites

  • Direct bit I/O

    I have a bit-addressable var (ibase) that I am loading with a value and then rotating--placing the msb on an I/O pin (SData). The SData pin never changes--it stays high. What am I doing wrong? Thanks!

    for(i=0;i<8;i++)
    { SClock = 0;
    SData = ibase…

  • programming of 12 channel temperature scanner

    sir can you give me the programming of 12 channel temperature scanner i can't understand what to do.. plz help me... thanks
    mital

  • mirror images in star12 controllers

    Can you tell me what is the advantage of using mirror images of memory? Why we are accessing those images both in paged and unpaged locations in star12 controllers

  • Help for programming of 89s52

    hi.... can any1 tell me the program of timer 2 of 89s52 for counting EXTERNAL PULSES.plz tell using auto-reload mode.......

  • Problem on Interfacing 8051 with 24c02

    I was trying to write some values to 24c02 and read back the same value from that location.But in the serial window
    I m only getting a black space in the place of data.Can any one help me regarding this problem.The code that i written was
    pre>
    #include…

  • iaran

    i need siemens c35+at command+gps

  • i need code for interfacing of adc0804 and microcontroller 89c51

    hello i am doing one project of lcd display.for that i need adc.so a am using adc0804 and 89c51 microcontroller.so i need code for interfacing of this two.plz help me.i have very short amount of time.

  • flash memeory reading / second part code

    hello,

    code second part

    thanks

    //-----------------------------------------------------------------------------
    // Subroutines
    //-----------------------------------------------------------------------------
    
    //----------------------------------…

  • switch with a case multiple

    Hello: can I put on the case line more than one item to compare Like this

    switch(aaa)
    { case: x or y or Z

    }

    I try with logical OR but doesnÂ't work.

    Thanks and excuse me my english

  • SFR addressing question

    Where as all defined SFR's (IE ones that aren't reserved) fit within the range of S:080-S:0FF. So (considering the available IP variants) how can one address or even access S:000-S:07F or S:100-S:1FF? There doesn't appear to be a mechanism listed in…

  • day and date

    can someone help me write a C++ program that displays the day of the week of a particular date that is entered.E.g.the date entered is 23/03/2003,the program displays both the date and the corresponding day

  • meaning of weak pull-ups

    Hello, can anyone please explain me the purpose of weak pull-ups resistor of a port?
    What are they used for?
    thanx in advance,
    M.

  • More external memory than 64k

    Hello.

    I am curious why there is a limitation of 64k on the C251 compiler, when the device can handle up to 256k?
    Is there a way around this?

  • No object file generated after compilation in uvision 1.13

    I am using uvision 1.13 to build project based on old project file.
    issue is:
    1. after change of source code, the old object file are not updated, but list file (.lst) updated.
    2. If moving .obj file to somewhere else and building, error message "missing…

  • plz send me the circuit diagram of pulser oximeter i am doing this project using taos sensor

    plz see to my request
    i m presently studying in W.I.T SOLAPUR
    i m in B.E(ELECTRONICS) PRESENTLY DOING MY FINAL PROJECT IN PULSE OXIMETER

  • converting to uppercase

    iam trying to convert the char i received to uppercase if it is lowercase if not leave it asit is .
    igot this code from net.
    but unable to understand why they added #224 at the end.

    org     0000h
    
            mov     acc,#'z'
            clr     c
           …

  • Can RTX51 Tiny be used for Flip80251 Typhoon microcontroller?

    Hi, I have been used 8051 microcontroller with RTX51 Tiny. Since performance issue, I need to change to use 80251 (Flip80251 Typhoon). In Flip80251 datasheet, it says "In binary mode, the Flip80251 Typhoon is fully
    binary compatible with the original…

  • thanks

    Hi, Thank u guys for the help.i ll check bout d vsm nd i hope it helps.bye

  • 8051 microcontroller printer port change to USB port

    Hi All,
    do anyone here have any idea of how to change the printer port for 8051 microcontroller into USB port.

  • inline assembly

    I'm trying to use inline assembly in a C file (my projetc consists in one C file and several a51 files).
    Options "generate assembler SRC" and "assemble SRC" are checked.

    I get the following message :
    "asm/endasm" requires the…