--- "Dagmar C. Neto" wrote: > The device goes into > Sleep (in my case, a PRI_IDLE mode) but > don't Wake-Up on interrupt (Timer1 interrupt). Do you have the /T1SYNC bit set in T1CON? The timer can't advance in sleep if it's being synchronized to the main oscillator. Jason Harper -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist