Hitachi SH7032 - Page 425

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RDRF = 1?
FER = 1 or ORER = 1?
RDRF = 1?
Total count received?
No
Reception ends
Yes
Set the MPIE bit in SCR to 1
Read the RDRF bit in SSR
Initialization
Clear the RE bit in SCR to 0
No
No
(1)
(2)
Read the ORER and FER
bits in SSR
FER = 1 or ORER = 1?
Read the RDRF bit in SSR
Read the receive data in RDR
Own ID?
Yes
Read the ORER and FER
bits in SSR
(3)
No
Error handling
Yes
Yes
(4)
Yes
No
Start receiving
No
Yes
Read the receive data in RDR
(5)
Figure 13.12 Sample Flowchart for Receiving Multiprocessor Serial Data