Freescale Semiconductor, Inc.
Clock Generator Module (CGM)
Acquisition/Lock Time Specifications
For acceptable values of CFact, see 24.2 Maximum Ratings. For the
value of VDDA, choose the voltage potential at which the MCU is
operating. If the power supply is variable, choose a value near the middle
of the range of possible supply values.
This equation does not always yield a commonly available capacitor
size, so round to the nearest available size. If the value is between two
different sizes, choose the higher value for better stability. Choosing the
lower size may seem attractive for acquisition time improvement, but the
PLL may become unstable. Also, always choose a capacitor with a tight
tolerance (±20 percent or better) and low dissipation.
MC68HC908AS60 — Rev. 1.0
Technical Data
Clock Generator Module (CGM)
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