HD64F7051SFJ20V Datasheet, PDF (425/843 Pages) Renesas Technology Corp – Hardware Manual Renesas 32-Bit RISC

Section 13 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 13.7 Sample Flowchart for Receiving Serial Data (1)
Rev. 5.00 Jan 06, 2006 page 403 of 818
REJ09B0273-0500