SH7018 Datasheet, PDF (258/431 Pages) Renesas Technology Corp – SuperH™ RISC engine

Initialization
(1)
Start reception
Set MPIE bit in SCR1 to 1 (2)
Read ORER and FER bits of SSR1
FER = 1?
Yes
or ORER =1?
No
Read RDRF bit in SSR1
(3)
No
RDRF = 1?
Yes
Read receive data from RDR1
No
Is ID the station’s ID
Yes
Read ORER and FER bits in SSR1
FER = 1?
Yes
or ORER =1?
No
Read RDRF bit of SSR1
(5)
RDRF = 1?
No
Yes
Read receive data from RDR1
No
All data received?
Yes
Clear RE bit in SCR1 to 0
End reception
(4)
Error processing
Figure 12.12 Sample Flowchart for Receiving Multiprocessor Serial Data
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