vaineo New Member Aug 14, 2004 #1 would a pic oscillating at 4mhz consume less then the same one clocked at 20mhz?
Nigel Goodwin Super Moderator Most Helpful Member Aug 14, 2004 #3 vaineo said: would a pic oscillating at 4mhz consume less then the same one clocked at 20mhz? Click to expand... Yes, the slower the clock speed the lower the power consumption, this is why the 'Low Speed' mode is called LP (for Low Power) - using a 32KHz crystal really drops the consumption.
vaineo said: would a pic oscillating at 4mhz consume less then the same one clocked at 20mhz? Click to expand... Yes, the slower the clock speed the lower the power consumption, this is why the 'Low Speed' mode is called LP (for Low Power) - using a 32KHz crystal really drops the consumption.
Oznog Active Member Aug 14, 2004 #4 Power is mostly straight proportional to freq for a given part and supply voltage, so you're looking at 80% less power.
Power is mostly straight proportional to freq for a given part and supply voltage, so you're looking at 80% less power.