Eli Hughes

Warning -- Freedom Board Crystal/PLL Caution

Discussion created by Eli Hughes on Mar 18, 2013
Latest reply on Mar 19, 2013 by Monica Arvizu

WARNING

 

 

If you stumble across the "getting started page" FREEDOM BOARD / CORTEX M0+ GETTING STARTED  Please take note:

 

While working with a large number of Freedom boards in a course,  it was observed that the Init Clock Routines would *sometimes* not work.    *Some* of the crystals on the freedom boards do NOT like "HIGH_GAIN" mode. 

 

change the line

 

  pll_init(8000000, HIGH_GAIN, CRYSTAL, 4, 24, MCGOUT);

 

to

  pll_init(8000000, LOW_POWER, CRYSTAL, 4, 24, MCGOUT);

 

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