Clock Generator Module (CGM)
Data Sheet
MC68HC08AS32A — Rev. 1
98
Clock Generator Module (CGM)
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MOTOROLA
Figure 5-1. CGM Block Diagram
BCS
PHASE
DETECTOR
LOOP
FILTER
FREQUENCY
DIVIDER
VOLTAGE
CONTROLLED
OSCILLATOR
BANDWIDTH
CONTROL
LOCK
DETECTOR
CLOCK
SELECT
CIRCUIT
CGMXCLK
CGMOUT
CGMVDV
CGMVCLK
SIMOSCEN
CRYSTAL OSCILLATOR
INTERRUPT
CONTROL
CGMINT
CGMRDV
PLL ANALOG
÷
2
CGMRCLK
LOCK
AUTO
ACQ
VRS[7:4]
PLLIE
PLLF
MUL[7:4]
CGMXFC
V
SS
V
DDA
OSC1
OSC2
TO SIM, SCI, ADC, BDLC
TO SIM
PTC3
MONITOR MODE
A
B S*
USER MODE
*When S = 1, CGMOUT = B
F
Freescale Semiconductor, Inc.
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