SH7708 Datasheet, PDF (398/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Start reception
Read ORER bit in SCSSR
Yes
ORER = 1?
No
Read RDRF bit in SCSSR
(2)
(1)
Error handling
No
RDRF = 1?
No
Yes
Read receive data in SCRDR and
clear RDRF bit in SCSSR to 0 ⁽³⁾
ORER = 1?
Yes
Overrun error handling
No
All data received?
Yes
Clear RE bit in SCSCR to 0
Clear ORER bit in SCSSR to 0
End
End reception
Figure 13.18 Sample Flowchart for Serial Receiving
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