SH7708 Datasheet, PDF (381/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Start reception
Read ORER, PER, and FER
bits in SCSSR
Yes
PER, FER, ORER = 1?
No
Read the RDRF bit in SCSSR (2)
No
RDRF = 1?
Yes
Read reception data of SCRDR
and clear RDRF bit in SCSSR to 0 ⁽³⁾
(1)
Error handling
No
All data received?
Yes
Clear the RE bit in SCSCR to 0
End reception
Note: Circled numbers refer to the preceding procedure.
Figure 13.7 Sample Flowchart for Receiving Serial Data
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