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RSIR LPC2364/66/68

Peter Keller

On powerup I want to read the cause of starting with the following code:

  printf("\n\rPowerup Source [%04X]: ",RSIR);
  if(RSIR&(1<<0)) {printf("POR ");  RSIR|(1<<0);}
  if(RSIR&(1<<1)) {printf("EXTR "); RSIR|(1<<1);}
  if(RSIR&(1<<2)) {printf("WDTR "); RSIR|(1<<2);}
  if(RSIR&(1<<3)) {printf("BODR "); RSIR|(1<<3);}


and get the following as output:
Powerup Source [000B]: POR EXTR BODR

It remains the same on PowerOff/On or Reset.
What's wrong with it?
Peter

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