Datasheet

Chapter 8 Multi-Purpose Clock Generator (S08MCGV2)
MC9S08DZ128 Series Data Sheet, Rev. 1
168 Freescale Semiconductor
Figure 8-2. Multi-Purpose Clock Generator (MCG) Block Diagram
RDIV
TRIM
External Reference
IREFS
Clock (XOSC)
CLKS
n=0-7
/ 2
n
n=0-3
/ 2
n
Internal
Reference
Clock
BDIV
MCGLCLK
MCGOUT
MCGIRCLK
EREFS
HGO
EREFSTEN
RANGE
IREFSTEN
MCGERCLK
LP
MCGFFCLK
DCOOUT
PLL
VDIV
/(4,8,12,...,40)
VCO
Phase
Detector
Charge
Pump
Internal
Filter
Lock
Detector
LOCK
Clock
Monitor
OSCINIT
VCOOUT
Multi-purpose Clock Generator (MCG)
LP
ERCLKEN
IRCLKEN
CME
LOC
/ 2
PLLS
LOLS
/ 2
5
DIV32
IREFST CLKST OSCINIT
FTRIM
DRST
DCOM
DCOL
Filter
FLL
DMX32
DRS
MCGFFCLKVALID