Purpose of grounding XTALIN pin if external osc not used

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Purpose of grounding XTALIN pin if external osc not used

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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by aamir ali on Fri Nov 16 03:09:03 MST 2012
What is purpose of above.
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204 Views
lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by ex-kayoda on Fri Nov 16 04:37:42 MST 2012

Quote: Aamir Ali
What is purpose of above.


What's not clear there :confused:

XTALIN is an input ;)

UM10524:
Quote:

When the system oscillator is not used, connect XTALIN and XTALOUT as follows: XTALIN can be left floating or can be grounded (grounding is preferred to reduce susceptibility to noise). XTALOUT should be left floating.

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