Figure 13-7 Sample Flowchart for Receiving Serial Data (2)
No
No
No
No
Yes
Yes
Yes
Yes
Framing error handling
PER = 1?
ORER = 1?
Overrun error handling
FER = 1?
Break?
Error handling
Parity error handling
Clear ORER, PER, and
FER flags to 0 in SSR
Clear RE bit to 0 in SCR
End
3
473
www.DataSheet4U.com