Does it operate if a crystal oscillator is not connected to the low speed clock oscillation pin of microcontroller?|FAQ|ROHM Semiconductor

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Does it operate if a crystal oscillator is not connected to the low speed clock oscillation pin of microcontroller?
- Products equipped with the built-in RC oscillation circuit and clock backup function operate without a crystal oscillator connected. However, products not equipped with the built-in RC oscillation circuit and clock backup function do not operate. Because specification is different for each product, check the features of clock generation circuit in User's Manual of each product.
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