Release the serial array unit from the reset state, and
start clock supply to the serial array unit.
Starting initial setting
Setting the PER0 register
Setting the SPSm register
Setting the SMRmn register
Setting the SCRmn register
Setting the SDRmn register
Changing setting of the SOEm
register
Setting port
Writing to the SSm register
Completing initial setting
Set the operation clock.
Set an operation mode, etc.
Set a communication format.
Set a transfer baud rate (setting the transfer clock by
dividing the operation clock (f
MCK
)).
Set the SOEmn bit to 1 and enable data output of
the target channel.
Enable data output of the target channel by setting a port
register and a port mode register.
Set the SSmn bit of the target channel to 1
(SEmn bit = 1: to enable operation).
Initial setting is completed.
Set transmit data to the SDRmn [7:0] bits (TXDq register)
(8 bits) or the SDRmn [8:0] bits (9 bits) and start
communication.
Setting the SOm register
Set the initial output level of the serial data (SOmn).
Changing setting of the SOLm
register
Set an output data level.
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