RX610 Group
20. Serial Communications Interface (SCI)
R01UH0032EJ0120 Rev.1.20
Page 668 of 1006
Feb 20, 2013
Initialization
No
Write data to TDR
Yes
Clear bits TIE, RIE, and TE
in SCR to 0
Start data transmission
Start
No
No
No
Yes
Yes
Yes
Yes
No
End
TXI interrupt
Error processing
Error processing
ERS = 0?
All data transmitted?
TXI interrupt
ERS = 0?
Figure 20.27 Sample Serial Transmission Flowchart