SH7011 Datasheet, PDF (226/292 Pages) Renesas Technology Corp – CMOS single-chip microprocessors

Initialization
Start reception
Read ORER, PER, and
FER bits in SSR
PER, FER,
ORER = 1?
No
Yes
(1)
Error handling
Read the RDRF bit in SSR
(2)
No
RDRF = 1?
Yes
Read reception data of RDR and
clear RDRF bit in SSR to 0
(3)
No
All data received?
Yes
Clear the RE bit of SCR to 0
End reception
Figure 12.6 Sample Flowchart for Receiving Serial Data
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