Hitachi SH7032 Hardware Manual page 425

Figure 13.12 Sample Flowchart for Receiving Multiprocessor Serial Data
390
Initialization
Start receiving
Set the MPIE bit in SCR to 1
Read the ORER and FER
bits in SSR
FER = 1 or ORER = 1?
Read the RDRF bit in SSR
No
RDRF = 1?
Read the receive data in RDR
No
Own ID?
Yes
Read the ORER and FER
bits in SSR
FER = 1 or ORER = 1?
Read the RDRF bit in SSR
RDRF = 1?
Read the receive data in RDR
No
Total count received?
Clear the RE bit in SCR to 0
Reception ends
(1)
(2)
Yes
No
(3)
Yes
Yes
No
(5)
No
Yes
Error handling
Yes
(4)