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MC68HC908GZ8 Datasheet, PDF (84/344 Pages) Motorola, Inc – Microcontrollers | |||
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Clock Generator Module (CGM)
Figure 7-1 shows the structure of the CGM.
OSC2
OSCILLATOR (OSC)
OSC1
SIMOSCEN (FROM SIM)
OSCSTOPENB
(FROM CONFIG)
PHASE-LOCKED LOOP (PLL)
CGMXCLK
(TO: SIM, TIMTB15A, ADC)
CGMRCLK
VDDA
CGMXFC
CLOCK
A
BCS
SELECT
CIRCUIT
÷2
B S*
VSSA
*WHEN S = 1,
CGMOUT = B
VPR1âVPR0
VRS7âVRS0
CGMOUT
(TO SIM)
SIMDIV2
(FROM SIM)
PHASE
DETECTOR
LOCK
DETECTOR
LOOP
FILTER
VOLTAGE
CONTROLLED
OSCILLATOR
PLL ANALOG
AUTOMATIC
MODE
CONTROL
INTERRUPT
CONTROL
CGMVCLK
LOCK
MUL11âMUL0
AUTO
ACQ
PLLIE PLLF
CGMVDV
FREQUENCY
DIVIDER
CGMINT
(TO SIM)
Data Sheet
84
Figure 7-1. CGM Block Diagram
Clock Generator Module (CGM)
MC68HC908GZ8
Freescale Semiconductor
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