Renesas RL78/G1P Hardware User Manual page 390

RL78/G1P
(Selective)
(Essential)
(Essential)
(Selective)
(Selective)
R01UH0895EJ0100 Rev.1.00
Nov 29, 2019
Figure 11-50. Procedure for Stopping Slave 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 11 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.
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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