SH7052 Datasheet, PDF (507/919 Pages) Renesas Technology Corp – SuperHTM RISC engine

Initialization
1
Start of reception
Set MPIE bit in SCR to 1
2
Read ORER and FER bits in SSR
FER = 1?
Yes
or ORER =1?
No
Read RDRF bit in SSR
3
No
RDRF = 1?
Yes
Read receive data from RDR
No
Is ID the station’s ID?
Yes
Read ORER and FER bits in SSR
FER = 1?
Yes
or ORER =1?
No
Read RDRF bit in SSR
5
No
RDRF = 1?
Yes
Read receive data from RDR
No
All data received?
Yes
Clear RE bit in SCR to 0
End of reception
4
Error handling
Figure 14.13 Sample Flowchart for Receiving Multiprocessor Serial Data (1)
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