Rev. 2.00, 09/03, page 412 of 690
Receive error handling
Break handling
Read receive data in SCFRDR
Clear DR, ER, and BRK flags
in SCSSR to 0
[1] Whether a framing error or parity error has
occurred in the receive data read from
SCFRDR can be ascertained from the FER
and PER bits in SCSSR.
[2] When a break signal is received, receive data
is not transferred to SCFRDR while the BRK
flag is set. However, note that the last data in
SCFRDR is H'00 and the break data in which
a framing error occurred is stored.
Error handling
End
ER = 1?
No
Yes
BRK = 1?
No
Yes
DR = 1?
No
Yes
[1]
[2]
Figure 16.8 Sample Serial Reception Flowchart (2)
Summary of Contents for SH7705
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