MC9S08DZ128 Datasheet, PDF (168/458 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 8 Multi-Purpose Clock Generator (S08MCGV2)
External Reference
Clock (XOSC)
CME
Clock
Monitor
LOC OSCINIT
DIV32
RDIV
/ 2ⁿ
/ 2⁵
n=0-7
IREFSTEN
Internal
Reference
Clock
EREFS
EREFSTEN
HGO
RANGE
ERCLKEN
IRCLKEN
DMX32
LP
FLL
DCOM
Filter
DCOL
DCOOUT
CLKS BDIV
/ 2ⁿ
n=0-3
MCGERCLK
MCGIRCLK
MCGOUT
Lock
Detector
IREFS
DRS
LP
PLLS
/2
LOLS LOCK
MCGFFCLK
MCGFFCLKVALID
MCGLCLK
Phase
Detector
VDIV
Charge
Pump
Internal
Filter
VCO
TRIM FTRIM
DRST IREFST CLKST OSCINIT
/(4,8,12,...,40)
VCOOUT
PLL
Multi-purpose Clock Generator (MCG)
Figure 8-2. Multi-Purpose Clock Generator (MCG) Block Diagram
MC9S08DZ128 Series Data Sheet, Rev. 1
168
Freescale Semiconductor