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Read receive FIFO
Last data?
No
No
Yes
Yes
Normal error handling
Error handling
No
Yes
Overrun error handling
+
framing error handling
Framing error occurrence
Flow chart:
When flaming error (SCFSR.ER=1) is occurred, bit7 to
bit0 should be read out from SCFDR2. If bit7 to bit0
equals H'10, contents of the receive FIFO should be
read. When the data received last is not accompanied
with flaming error (SCFSR2.FER=0) both overrun error
handling and flaming error handling shoud be
conducted.
Bits 7 to 0
in SCFDR2 = H'10?
PER or FER bit
in SCFSR2 set to 1?
Figure 16.14 Overrun Error Flag
Summary of Contents for SH7750 series
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