transmission.
Disable data output of the target channel by setting
a port mode register.
Port manipulation
Starting setting for resumption
Changing setting of the SPSm register
Changing setting of the SDRmn register
Changing setting of the SMRmn register
Changing setting of the SCRmn register
Changing setting of the SOLm register
Changing setting of the SOEm register
Changing setting of the SOm register
Changing setting of the SOEm register
Completing resumption
setting
Re-set the register to change the operation clock
setting.
Re-set the register to change the transfer baud
rate setting (setting the transfer clock by dividing
the operation clock (f
MCK)).
Re-set the register to change serial mode register
mn (SMRmn) setting.
Re-set the register to change the serial
communication operation setting register mn
(SCRmn) setting.
Re-set the register to change serial output level
register m (SOLm) setting.
Clear the SOEmn bit to 0 and stop output.
Set the initial output level of the serial data
(SOmn).
Set the SOEmn bit to 1 and enable output.
Enable data output of the target channel by setting
a port register and a port mode register.
(Selective)
(Selective)
Writing to the SSm register
Port manipulation
(Selective)
(Selective)
(Selective)
(Selective)
(Selective)
(Selective)
(Essential)
(Essential)
(Essential)
Set the SSmn bit of the target channel to 1 and
set the SEmn bit to 1 (to enable operation).
Setting is completed.
Set transmit data to the SDRmn [7:0] bits (TXDq
register) (8 bits) or SDRmn [8:0] bits (9 bits) and
start communication.
Completing master
preparations?
No
Wait until stop the communication target or
communication operation completed
Yes
(Essential)
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