SH7052 Datasheet, PDF (517/919 Pages) Renesas Technology Corp – SuperHTM RISC engine

Initialization
1
Start of reception
Read ORER bit in SSR
ORER = 1?
No
Read RDRF bit in SSR
Yes
3
No
RDRF = 1?
Yes
Read receive data from RDR
and clear RDRF bit in SSR to 0 ⁴
2
Error handling
No
All data received?
Yes
Clear RE bit in SCR to 0
End of reception
Figure 14.21 Sample Flowchart for Serial Receiving (1)
491