
552
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
BRK= 1?
DR= 1?
ER = 1?
Yes
Yes
Yes
Clear DR, ER, BRK flags in
SCSSR to 0
No
No
No
Receive error handling
Break processing
Read receive data from SCFRDR
Figure 16.10 Sample Flowchart for Receiving Serial Data (cont)
Summary of Contents for SH7709S
Page 2: ...Hitachi SuperH RISC engine SH7709S Hardware Manual ADE 602 250 Rev 1 0 09 21 01 Hitachi Ltd ...
Page 75: ...56 ...
Page 107: ...88 ...
Page 125: ...106 ...
Page 139: ...120 ...
Page 203: ...184 ...
Page 245: ...226 ...
Page 411: ...392 ...
Page 609: ...590 ...
Page 635: ...616 ...
Page 663: ...644 ...
Page 679: ...660 ...