Renesas RX100 Series User Manual page 650

RX13T Group
No
Overrun error processing
No
Framing error processing
No
Set the SSR.ORER, PER,
Read the SSR.ORER, PER, and FER flags.
Figure 23.16 Example Flowchart of Serial Reception in Asynchronous Mode (2)
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
[ 3 ]
Error processing
SSR.ORER flag = 1
Yes
SSR.FER flag = 1
Yes
Break?
No
SSR.PER flag = 1
Yes
Parity error processing
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 RDRL register
when 9-bit data length is selected. Reading the
RDRH register is not necessary.
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