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Does CKE0/1 bit of BRR or SCR need to be set for external clock?

Latest Updated:12/25/2008

Question:

If SCI is enabled by external clock, does CKE0/1 bit of Bit Rate Ragister (BRR) or Serial Control Register (SCR) need to be set for external clock?

Answer:

No. In case of synchronized external clock input, CKE bit of BRR or SCR doesn't need to be set for either transmit/receive operation.
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H8SX/1720S (H8SX/1720, H8SX/1720S)
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