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How is the input for SCK designated? Is this setting made with PCR?

Latest Updated:03/26/2009

Question:

When using SCI, how is the input for SCK designated? Is this setting made with the port control register (PCR) corresponding to said pin?

Answer:

When using SCI, I/O designation at the SCK terminal 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 corresponding ports to PCR.
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