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What is the initial value of TxD pin when the TE bit of SCR is set to 1?

Latest Updated:03/25/2009

Question:

What is the initial value of TxD pin, when the TE bit of serial control register (SCR) is set to 1?

Answer:

When TE bit is set to 1, the initial value of TxD pin becomes high level automatically in the asynchronous and clock synchronous modes. However, it is necessary to set to 1 the SPC3 bit of the serial port control register (SPCR) before TE bit is set, when setting the TxD pin to output. Also, SCINV bit of the register has output data inversion function.
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