SH7014 Datasheet, PDF (374/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

12. Serial Communication Interface (SCI)
Initialization
1
Start reception
Read ORER, PER, and
FER bits in SSR
PER, FER,
ORER = 1?
No
Yes
2
Error handling
Read the RDRF bit in SSR
3
No
RDRF = 1?
Yes
Read reception data of RDR and
clear RDRF bit in SSR to 0
4
No
All data received?
Yes
Clear the RE bit of SCR to 0
End reception
Figure 12.7 Sample Flowchart for Receiving Serial Data (1)
Rev.5.00 Sep. 27, 2007 Page 340 of 716
REJ09B0398-0500