Caution 1. Be sure to set transmit data to the SlOp register before the clock from the master is started.
Caution 2. If PER0 is rewritten while stopping the master transmission and the clock supply is stopped, wait until
of restarting the transmission.
Disable data output of the target channel by setting
a port register and a port mode register.
Port manipulation
Starting setting for resumption
Changing setting of the SPSm register
Changing setting of the SMRmn register
Changing setting of the SCRmn register
Clearing error flag
Changing setting of the SOEm register
Changing setting of the SOm register
Changing setting of the SOEm register
Re-set the register to change the operation clock
setting.
Re-set the register to change serial mode register
mn (SMRmn) setting.
Re-set the register to change serial communication
operation setting register mn (SCRmn) setting.
If the OVF flag remains set, clear this
using serial flag clear trigger register mn
(SIRmn).
Set the SOEmn bit to 0 to stop output from the
target channel.
Set the initial output level of the serial data
(SOmn).
Set the SOEmn bit to 1 and enable output from the
target channel.
Enable data output of the target channel by setting
a port register and a port mode register.
(Essential)
(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
(SEmn = 1: to enable operation).
Sets transmit data to the SIOp register (bits 7 to 0
of the SDRmn register) and wait for a clock from
the master.
Completing resumption setting
Starting communication
Completing master
preparations?
No
Wait until stop the communication target (master)
or operation completed.
Yes
(Essential)
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