• interrupt problems with at89c51
    i write a s/w for at89c51 which i use interrupts within. the code works fine in the simulator of keil but when i program it to the microcontroller the program doesn't work and the output doesn't change...
  • One shot timer for At89C51
    I want to make one short timer in AT89C51 i.e timer should stop soon after it completes. I have to use interrupt for overflow. There is no specific bit for making one short timer in AT89C51, so...
  • A problem with AT89C51
    Hi: I use AT89C51,I have a problem in my software to useit and that's the time that one instruction takes to execute,I mean it's so long, I think that is because of multiply instruction(ASM:MUL AB).Please...
  • at89c51
    hi all, what is the keil version required for at89c51 controller.
  • AT89C51
    How stop watchdog timer in AT89C51?