• hardware stack
    hi, i've some trouble after a firmware update procedure, some like a stack misalignment o something strange... i'm quite newby, working with 8051 family from 4 mounths. I try to explain the trouble...
  • Hardware Question
    Hi, I building a project at the minute and have noticed that my store manager has given me the wrong latch for my external memory. He gave me the SN74LS73AN while the one he should of gave me is the...
  • 8051F120 Hardware Interrupt
    Hi all. I am fairly new to micro controllers and I am wondering how to go about creating a hardware interrupt with the 8051F120. I have a simple program and I want a button to be a hardware interrupt...
  • Accessing hardware interrupts
    Dear friends, 1.I would like to know about external interrupts. How to access interrupt in C programming? 2.How to activate timers for determined time? for example I want the timer to be active for...
  • Software *** Hardware reset of AT89S52
    Is this possible if we use hard reset (Logic 1 Pulse with some delay) by using ISR and one Port Pin Connected to RESET Pin? so that Controller can RESET itself by Applying RESET signal by ISR. I mean...