CMS32L051 User Manual |Chapter 12 Universal Serial Communication Unit
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Figure 12-25 Master send abort step
termination configuration
starts
TSFmn = 0？
write into STm register
modify SOEm register
configuration
modify SOm register
configuration
configure PER0 register
termination configuration
ends.
(selection)
(mandatory)
(mandatory)
(selection)
(selection)
Yes
No
if there are ongoing data transmission,
then wait till transmission completed. (if
need urgent stop, then no need to wait).
set STmm bit of target channel to 1.
(SEmn=0: set to operation stop state).
set SOEmn bit to 0, stop output of target
channel
while emergency stop, based on needs,
modify serial clock (CKOmn) and serial
data(Somn) voltage of target channel.
when using deep sleep mode, stop clock of
universal serial communication unit, configure
to reset state.
finish termination configuration, enter into
next processing.
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