SH7040 Datasheet, PDF (556/923 Pages) Renesas Technology Corp – Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

Initialization
1
Start reception
Set MPIE bit in SCR to 1
2
Read ORER and FER bits of 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 of SSR
5
RDRF = 1?
No
Yes
Read receive data from RDR
No
All data received?
Yes
Clear RE bit in SCR to 0
End reception
4
Error processing
Figure 14.13 Sample Flowchart for Receiving Multiprocessor Serial Data
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