mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 106

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

Clock Generator Module (CGM)
Introduction
Features
MC68HC08AZ60 — Rev 1.0
106
The CGM generates the crystal clock signal, CGMXCLK, which operates
at the frequency of the crystal. The CGM also generates the base clock
signal, CGMOUT, from which the system clocks are derived. CGMOUT
is based on either the crystal clock divided by two or the phase-locked
loop (PLL) clock, CGMVCLK, divided by two. The PLL is a frequency
generator designed for use with 1-MHz to 8-MHz crystals or ceramic
resonators. The PLL can generate an 8-MHz bus frequency without
using a 32-MHz crystal.
Features of the CGM include:
Freescale Semiconductor, Inc.
Parametric Influences on Reaction Time . . . . . . . . . . . . . . . . . . .128
Choosing a Filter Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Reaction Time Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
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For More Information On This Product,
Phase-Locked Loop with Output Frequency in Integer Multiples of
the Crystal Reference
Programmable Hardware Voltage-Controlled Oscillator (VCO) for
Low-Jitter Operation
Automatic Bandwidth Control Mode for Low-Jitter Operation
Automatic Frequency Lock Detector
CPU Interrupt on Entry or Exit from Locked Condition
Clock Generator Module (CGM)
Go to: www.freescale.com
MOTOROLA
2-cgm