• 8051 interrupts
    I am trying to generate an interrupt when a byte is received via the serial port of an Atmel AT89C51. I am not having much luck. Here is my code: #include <reg51.h> #include <CTYPE.H> #include <STDIO...
  • 8051 interrupts
    Can an interrupt of higher natural priority interrupt one of lower priority? For the time being my question is limited to the case where none of the interrupts' priorities are promoted in the IP. I'm...
  • 8051 interrupts
    Can an interrupt of higher natural priority interrupt one of lower priority? For the time being my question is limited to the case where none of the interrupts' priorities are promoted in the IP. I'm...
  • 8051 interrupts
    I am trying to generate an interrupt when a byte is received via the serial port of an Atmel AT89C51. I am not having much luck. Here is my code: #include <reg51.h> #include <CTYPE.H> #include <STDIO...
  • 8051 External interrupts
    OK, I'm a novice with the 8051. How do you map a port pin to an external interrupt (or visa versa, say External interrupt 2)? I'm assuming that there are no dedicated pins for each of the seven Ex...