SH7014 Datasheet, PDF (389/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Initialize
12. Serial Communication Interface (SCI)
1
Start transmitting
Read TDRE flag in SSR
2
No
TDRE = 1?
Yes
Write transmit data in TDR and
clear TDRE flag to 0 in SSR
All data transmitted?
Yes
Read TEND flag in SSR
TEND = 1?
Yes
Clear TE bit to 0 in SCR
No
3
No
End
Figure 12.16 Sample Flowchart for Serial Transmitting
Rev.5.00 Sep. 27, 2007 Page 355 of 716
REJ09B0398-0500