Renesas RL78 Series User Manual page 426

RL78/G1D
(Selective)
(Essential)
(Essential)
(Selective)
(Selective)
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
Figure 13-26. Procedure for Stopping Master Transmission
Starting setting to stop
No
TSFmn = 0?
Yes
Writing the STm register
Changing setting of the SOEm register
Changing setting of the SOm register
Setting the PER0 register
Stop setting is completed
CHAPTER 13 SERIAL ARRAY UNIT
If there is any data being transferred, wait for
their completion.
(If there is an urgent must stop, do not wait)
Write 1 to the STmn bit of the target channel.
(SEmn = 0: to operation stop status)
Set the SOEmn bit to 0 and stop the output of
the target channel.
The levels of the serial clock (CKOmn) and
serial data (SOmn) on the target channel can
be changed if necessitated by an emergency.
To use the STOP mode, reset the serial array
unit by stopping the clock supply to it.
The master transmission is stopped.
Go to the next processing.
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