• aduc831 :flash is getting corrupted again and again

    hi everyone...

    i am using ADuC831. For 1st two -three times, the controller get programmmed easily..without any issue. But suddenly ( very often) i am facing problems while donloading the code with the WSD software. Although I am able to erase the code…

  • ADuC831 Aspire IDE/Metalink 8051 Cross Assembler problems

    Hi, recently I received an ADuC831 from my college to work with as a summer project, I've been trying to use the Aspire IDE and Metalink 8051 Cross Assembler that came with the install disk, however, whenever I try to compile Aspire returns a fatal error…

  • How do I migrate from ADuC812 to ADuC831 or ADu832?

    What steps do I need to take to migrate from ADuC812 to ADuC831 or ADu832?

     

    There are two documents which explain how to migrate from the ADuC812 to
    ADuC831 and 832.

    uC020: Migrating from ADUC812 to ADUC831
    uC016: Migrating from…
  • Problem with WSD serial in circut download for ADuC831

    I have made a command line routine with there I can start the WSD6.03 serial download programm as it is descripted in AN-1074. (used Command line: wsd.exe File.hex /c:2 /d /X:14.745600 /r). All necasarry files are placed in the same folder on a server…

  • Does ADuC831 have an internal pull-down resistor connected to RESET pin?

    1) Does ADuC831 have an internal pull-down resistor connected to RESET pin? If
    so what value (in kohms) is it. If no - should I use an external resistor?

    2) Is Aduc 831 reset after power-on? Or do I have to use RC on RST pin to force
  • ADUC831:  What is the value of internal pull-ups in ports P2 and P3?

    What is the value of internal pull-ups in ports P2 and P3?

     

    There are weak pullups on P2 / P3 ports.
    You can see this when you look at the datasheet specifications.
    Look under "DIGITAL OUTPUTS"
    Isource for Voh (page 5) is…
  • ADUC831  AD采样程序和定时中断程序会有干扰?

    用     ADUC831进行AD采样,定时器0定时50ms,每定时20次,也就是1S数码管显示一个采样值,同样的程序在STC89C52可以实现,在ADUC831就不可以,什么原因呢?将AD采样程序注释掉,单独利用定时中断控制数码管和LED灯又可以实现,放在一起就不可以~

  • What should be the address offset for the Intel hex file for the 4 Kb data area in serial download mode for ADuC831?

    What should be the address offset for the Intel hex file for the 4 Kb data area in serial download mode for ADuC831?

  • I have a problem in downloading the program to ADUC831 through the WSD7.05. in the morning i can download well but afternoon suddenly i cannot download and always have error code 4.

    when i down load the hex file it always show error code 4 but it was well in the morning.so i have no idea, im asking for help. 

  • ADUC841 Won't program

    I've designed a board to use the ADUC841.  The original used the ADUC831, and the newer one is meant to use the ADUC841. 

    On the same board I can program a ADUC831 but not an ADUC841.  I've tried this on two board, with the same result, which means…