Content originally posted in LPCWare by Muis on Fri Oct 04 08:40:23 MST 2013 I always disable PLL to save power, but when do you need it? Only if you want the MCU to run at faster speeds than 12Mhz?
Content originally posted in LPCWare by NXP_Paul on Fri Oct 04 10:39:05 MST 2013 Generally, you only need the PLL to run the MCU at faster speeds, or if a peripheral needs to be run at a higher clock speed to meet your requirements.
