MC68HC908GR16 Datasheet, PDF (60/276 Pages) Motorola, Inc – Microcontrollers

Clock Generator Module (CGM)
OSC2
OSCILLATOR (OSC)
OSC1
SIMOSCEN (FROM SIM)
OSCSTOPENB
(FROM CONFIG)
PHASE-LOCKED LOOP (PLL)
CGMRDV
REFERENCE
DIVIDER
CGMRCLK
RDS3–RDS0
V_DDA
CGMXFC
CLOCK
BCS
SELECT
CIRCUIT
V_SSA
VPR1–VPR0
VRS7–VRS0
CGMXCLK
(TO: SIM, TIMEBASE, ADC)
CGMOUT
÷2
(TO SIM)
PHASE
DETECTOR
LOCK
DETECTOR
LOOP
FILTER
VOLTAGE
CONTROLLED
OSCILLATOR
PLL ANALOG
AUTOMATIC
MODE
CONTROL
INTERRUPT
CONTROL
CGMVCLK
LOCK
MUL11–MUL0
AUTO ACQ
PLLIE PLLF
PRE1–PRE0
CGMVDV
FREQUENCY
DIVIDER
FREQUENCY
DIVIDER
CGMINT
(TO SIM)
Figure 4-1. CGM Block Diagram
MC68HC908GR16 Data Sheet, Rev. 5.0
60
Freescale Semiconductor