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Pros and Cons of using IRC for BASE_M4_CLK input

Question asked by CP Chen on Mar 2, 2018
Latest reply on Mar 2, 2018 by CP Chen

Dear All, 

 

LPC4370 user manual sec. 13.2.1.1 detail steps of using crystal osciilator to change BASE_M4_CLK to higher than 110MHz,  my questions is following  

 

1. Can we use IRC osciilator for the same  purpose ? 

2. What are the pros and cons of using IRC vs crystal ocs for above putpose ? 

 

Appreciate anyone can help me clarify above questions.  

 

 

CP 

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