K60P100M100SF2RM Datasheet, PDF (572/1809 Pages) Freescale Semiconductor, Inc – K60 Sub-Family Reference Manual

Initialization / Application Information
multiplication factor from 640 to 1280. To return the MCGOUTCLK frequency
to 20 MHz, set C4[DRST_DRS] bits to 2'b00 again, and the FLL multiplication
factor will switch back to 640.
START
IN BLPI MODE
C2 =0x00
C2 = 0x1C
C1 =0x10
CHECK
NO
S[OSCINIT] = 1 ?
CHECK
NO
S[IREFST] = 0?
YES
CHECK
NO
S[CLKST] = %00?
YES
CONTINUE
IN FEE MODE
YES
Figure 24-15. Flowchart of BLPI to FEE Mode Transition using an 4 MHz crystal
K60 Sub-Family Reference Manual, Rev. 6, Nov 2011
572
Freescale Semiconductor, Inc.