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C Commands Summary
MiLLennium Command Descriptions Manual 83
EXTERNALCLOCK FREQUENCY
Please see the Overview and Theory sub-sections under the EXTERNALCLOCK command to understand the steps
involved in using an optional external oscillator with a MiLLennium GPSCard.
For the chosen oscillator, one must select the clock rate using the
EXTERNALCLOCK FREQUENCY command. The
MiLLennium GPSCard only accepts a 5 MHz or 10 MHz external input. An internal frequency synthesizer
converts this input to 20 MHz, the actual clock rate required by the MiLLennium GPSCard (and that which is
generated by its on-board VCTCXO).
Syntax:
Example:
externalclock frequency 5
EXTERNALCLOCK FREQUENCY clock rate
Command Range Description Default
EXTERNALCLOCK FREQUENCY -
clock rate 5 or 10 Set clock rate to 5 MHz or 10 MHz (Will
not allow values other than 5 or 10)
10