At 09:34 AM 6/25/97 GMT+0200, you wrote: >[SNIP] >> > I did one project that used a 16C57. It was a handheld device. It had to >> > shut down >> > to save power, but still be responsive to the user pressing one of the keys. >> > I put it to sleep and woke it up with the WDT. Pretty standard stuff. >[SNIP] >> Say - could one use the interupts of the pic as a better way to check >> the keys? That way you only have to wake the PIC once. I remember >> something like that from my PIC16C84 book. > >Nope, the 16C5x series does not have interrupts. > >Niki > What 16c84 book was that?