XC68HC08KH12 Motorola, XC68HC08KH12 Datasheet - Page 89

• Manufacturer Part Number: XC68HC08KH12
• Description: MICROCONTROLLER
• Manufacturer: Motorola

8.3 Features
8.4 Functional Description
MC68HC(7)08KH12
MOTOROLA
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Rev. 1.0
Features of the CGM include:
The CGM consists of three major submodules:
Figure 8-1
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VCO Center-Of-Range Frequuency tuned to 48MHz for Low-Jitter
Clock Reference for USB Module
Low-Frequency Crystal Operation with Low-Power Operation and
High-Output Frequency Resolution
Programmable Reference Divider for Even Greater Resolution
Programmable Prescaler for Power-of-Two Increases in Bus
Frequency
Automatic Bandwidth Control Mode for Low-Jitter Operation
Automatic Frequency Lock Detector
CPU Interrupt on Entry or Exit from Locked Condition
Crystal oscillator circuit — The crystal oscillator circuit generates
the constant crystal frequency clock, CGMXCLK.
Phase-locked loop (PLL) — The PLL generates the
programmable VCO frequency clock, CGMVCLK and CGMPCLK.
Base clock selector circuit — This software-controlled circuit
selects either CGMXCLK divided by two or the PLL clock,
CGMPCLK, divided by two as the base clock, CGMOUT. The SIM
derives the system clocks from CGMOUT.
Clock Generator Module (CGM)
shows the structure of the CGM.
Clock Generator Module (CGM)
Advance Information
Features
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