RL78/G1P
CHAPTER 11 SERIAL ARRAY UNIT
R01UH0895EJ0100 Rev.1.00
406
Nov 29, 2019
Figure 11-79. Procedure for Stopping Slave Transmission
Write 1 to the STmn bit of the target channel
(SEmn = 0: to operation stop status).
Writing the STm register
Starting setting to stop
Changing setting of the
SOEm register
Stop setting is completed
Set the SOEmn bit to 0 and stop the output of the
target channel.
After the stop setting is completed, go to the next
processing.
The levels of the serial data (SOmn) on the target
channel can be changed if necessitated by an
emergency.
Changing setting of the
SOm register
Setting the PER0 register
Reset the serial array unit by stopping the clock
supply to it.
(Selective)
(Selective)
(Essential)
(Essential)
TSFmn = 0?
No
If there is any data being transferred, wait for their
completion.
(If there is an urgent must stop, do not wait.)
Yes
(Selective)
Remark
m: Unit number (m = 0), n: Channel number (n = 0), p: CSI number (p = 00).