SH7018 Datasheet, PDF (250/431 Pages) Renesas Technology Corp – SuperH™ RISC engine

Initialization
(1)
Start reception
Read ORER, PER, and
FER bits in SSR1
PER, FER,
ORER = 1?
No
Yes
(2)
Error handling
Read the RDRF bit in SSR1
(3)
No
RDRF = 1?
Yes
Read reception data of RDR1 and
clear RDRF bit in SSR1 to 0
(4)
No
All data received?
Yes
Clear the RE bit of SCR1 to 0
End reception
Figure 12.7 Sample Flowchart for Receiving Serial Data
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