Renesas RX100 Series User Manual page 655

RX13T Group
No
No
Read the SSR.ORER, PER, and FER flags.
Figure 23.21 Example of Multi-Processor Serial Reception Flowchart (2)
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
[ 5 ]
Error processing
SSR.ORER flag = 1
Yes
Overrun error processing
SSR.FER flag = 1
Yes
Break?
No
Framing error processing
Set the SSR.ORER, PER,
and FER flags to 0.
End
23. Serial Communications Interface (SCIg, SCIh)
[ 6 ]
[ 6 ] Processing in response to an overrun error:
Read the RDR. In combination with step [ 7 ],
this will make correct reception of the next frame
possible.
Yes
Set RE bit in SCR to 0
[ 7 ] [ 7 ] Clearing the error flag:
Write 0 to the error flag.
[ 8 ] [ 8 ] Confirming that the error flag is cleared:
Read the error flag to confirm that its value is 0.
Note: The RDR register becomes the RDRH and RDRL
registers when 9-bit data length is selected. Read
data in the order from RDRH to RDRL.
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