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Is setting made with PCR when using SCI? How is the input for SCK chosen?

Latest Updated:03/25/2009

Question:

When using SCI, how is the input for SCK selected? Is this setting made with the port control register (PCR)?

Answer:

When using SCI, the selection of the SCK pin function is made with COM bit of the serial mode register (SMR) and CKE1 and CKE0 of the serial control register (SCR). It is not necessary to set the PCR.
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