RL78/G13 CHAPTER 12 SERIAL ARRAY UNIT
R01UH0146EJ0100 Rev.1.00 645
Sep 22, 2011
Figure 12-79. Procedure for Stopping UART Transmission
Remark Even after communication is stopped, the pin level is retained. To resume the operation, re-set serial
output register m (SOm) (see Figure 12-80 Procedure for Resuming UART Transmission).
Starting setting to stop
Setting the STm register
Write 1 to the STmn bit of the target
channel.
Setting the SOEm register
Stopping communication
Stop communication in midway.
Set the SOEmn bit to 0 and stop the
output.