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RL78/G1A CHAPTER 12 SERIAL ARRAY UNIT
R01UH0305EJ0200 Rev.2.00 451
Jul 04, 2013
Figure 12-34. Procedure for Stopping Master Reception
Starting setting to stop
Stop setting is completed
Write 1 to the STmn bit of the target channel.
(SEmn = 0: to operation stop status)
The reception is stopped.
Go to the next processing.
Set the SOEmn bit to 0 and stop the output of
the target channel.
Writing the STm register
Changing setting of the SOEm register
TSFmn = 0?
If there is any data being transferred, wait for
their completion.
(If there is an urgent must stop, do not wait)
Yes
No
The levels of the serial clock (CKOmn) 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.
Changing setting of the SOm register
Setting the PER0 register
(Essential)
(Selective)
(Essential)
(Selective)
(Selective)
Remark m: Unit number (m = 0, 1), n: Channel number (n = 0 to 3), p: CSI number (p = 00, 01, 10, 11, 20, 21),
mn = 00 to 03, 10, 11
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