The general answer is of course this can be done. However, what is the clock frequency you are running the system at?
It can be set to a very low frequency to save power.
HOW to do this will depend on what else you are doing at the same time; the complete system view would help, or as much as you can share.
If you wish to keep such confidential, I suggest using the technical information center support available at www.freescale.com.
