SH7018 Datasheet, PDF (267/431 Pages) Renesas Technology Corp – SuperH™ RISC engine

Initialization
(1)
Start reception
Read the ORER bit of SSR1
Yes
ORER = 1?
No
Read RDRF bit of SSR1
(3)
(2)
Error processing
No
RDRF = 1?
Yes
Read receive data from RDR1
and clear RDRF bit of SSR1 to 0 ⁽⁴⁾
No
All data received?
Yes
Clear RE bit of SCR1 to 0
End reception
Figure 12.18 Sample Flowchart for Serial Receiving
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