Il 07-Nov-97, Gennady Palitsky scrisse:


>I am back with the question on PIC and power consumtion. I need to make
>measurements with PIC every 5 minutes, keeeping power consumption to the
>minimum between measurements. My first thought - to turn power to PIC
>off and to turn it on by external timer (what is 50-100 uA by itself).
>Does anybody know of better way to do it? And second - how can I keep
>track of what PIC is doing if I power it off and don't use NVRAM?

Simply use a I2C real time clock with interrupt features.

You will set the needed time interval on the clock and wait
for an interrupt while the pic is on sleep mode.

--

   - *Alex* -

      (azummo@ita.flashnet.it)