SH7604 Datasheet, PDF (377/633 Pages) Hitachi Semiconductor – Hardware Manual

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