• Strange behaviour in TIMER0 ISR
    Hi all, I have a problem with the ISR of TIMER0. I'm using keil uVision2 and my target is SIlicon Laboratories C8051F040. I've tried to make a very simple project in assembler to use Timer0 ISR...
  • strange interrupt behaviour
    Hopefully someone can give me a tip. I'm completely lost on what's happening. I have the following problem. Using a 87C51RC processor I'm using 2 timers with interrupt, Serial comm with interrupt and...
  • MC51: Strange behaviour of sprintf
    Ok guys, I have run into something really strange, I hope you guys have the answer for that. How come this: void main() { U8 i; char aux[3]; U8 buffer[5]; buffer[0] = 0x0A; buffer[1] =...
  • Strange reset behaviour
    I am using the Accutron prototyping board with the ADuC841 controller to develop an application that converts voltages to power to display power, VSWR and temperature and displays the results on a 4...
  • mon51 strange behaviour
    After porting mon51 to my target and performing several preliminary tests I noticed two strange facts: a) apparently there are four bytes on the DATA area that are corrupted: two of them seem to have...