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Is there any limitation in the value set to the SH7710 FRQCR?

Latest Updated:03/23/2009

Question:

Is there any limitation in the value set to the SH7710 frequency control register (FRQCR)?

Answer:

There are the values that can be set to FRQCR depending on the clock operation mode of CPU.

Please see the table "Possible Combination of Clock Mode and FRQCR Values" on the chapter of on-chip oscillation circuits of hardware manual. Please select the setting value for FRQCR from this combination table. The operation is not guaranteed when the value not listed up in the table is set.

Suitable Products
SH7710
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