475
RDRF = 1?
FER = 1 or ORER = 1?
RDRF = 1?
All data received?
No
End of reception
Yes
Set MPIE bit in SCSCR to 1
Read RDRF bit in SCSSR
Clear RE bit in SCSCR to 0
No
No
Read ORER and FER
bits in SCSSR
FER = 1 or ORER = 1?
Read RDRF bit in SCSSR
Read receive data from SCRDR
Is ID the
station’s ID?
Yes
Read ORER and FER
bits in SSCSR
No
Error handling
Yes
Yes
Yes
No
Start of reception
No
Yes
Read receive data from SCRDR
(1)
(2)
(4)
(3)
Note: Numbers in parentheses refer to steps in the preceding procedure description.
Figure 14.15 Sample Flowchart for Receiving Multiprocessor Serial Data
Содержание SH7709S
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