HD64F7051SFJ20V Datasheet, PDF (443/843 Pages) Renesas Technology Corp – Hardware Manual Renesas 32-Bit RISC

Section 13 Serial Communication Interface (SCI)
Initialization
1
Start reception
Read the ORER bit of SSR
ORER = 1?
No
Read RDRF bit of SSR
Yes
3
No
RDRF = 1?
Yes
Read receive data from RDR
and clear RDRF bit of SSR to 0 ⁴
2
Error processing
No
All data received?
Yes
Clear RE bit of SCR to 0
End reception
Figure 13.20 Sample Flowchart for Serial Receiving
Rev. 5.00 Jan 06, 2006 page 421 of 818
REJ09B0273-0500