• ISR Question (update)
    Follow up to a previous thread posted last week. The issue is that my timer interrupt won't work if serial interrupts are enabled, unless the timer interrupt priority is set to high. As per Erik...
  • #if ISR
    I have created a very useful macro that will have disastrous results if it is used inside an ISR. A few years from now some unsuspecting soul (who could be me) will probably use it inside an ISR and spend...
  • A question about ISRs, bootcode and application code
    Hello all, Why is it that the boot code and the application code cannot share the same ISRs? I had a look at previously posted threads in the forum but I couldn't find a technical explanation. Can you...
  • ISR query
    Hello, We are working on 8051 project and the code size is large around 100 K with code banking. We are faceing some problem in our products, kindly give your valued suggestions. We are using...
  • ISR + timer1
    What is the function in C for interrupt service routine of timer1 .