PXD10RM Datasheet, PDF (197/1332 Pages) Freescale Semiconductor, Inc – PXD10 Microcontroller

16 MHz internal RC oscillator
Divided 16 MHz internal RC oscillator
Divided 4-16 MHz external oscillator
Primary FMPLL
MC_ME system
0
clock switch mask
1
3
4
’0’
1
0
system clock
CGM_SC_DC0 Register
MC_RGM safe clock request
MC_ME clock select
CGM_SC_SS Register
clock divider
peripheral set 1 clock
CGM_SC_DC1 Register
clock divider
peripheral set 2 clock
CGM_SC_DC2 Register
clock divider
peripheral set 3 clock
Figure 8-13. MC_CGM System Clock Generation Overview
Freescale Semiconductor
PXD10 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
8-19