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iDP3410 User's Manual
29 CITIZEN
10.3.3 Error Detection
A parity error, framing error, and overrun error are detected. When an error is detected, that data is
stored in the buffer as "?".
(1) Framing error
This error results when a space is detected in detecting the stop bit. That data is stored in the buffer
as "?".
(2) Parity error
If a parity check has been specified and an error is detected at the time of parity check, that data is
stored in the buffer as "?".
(3) Overrun error
If an overrun error is detected, that data is stored in the buffer as "?".
10.3.4 Data Receiving Control
When the DTR signal is a space, the data from the host side can be received. When it is a mark,
however, the data cannot be received.
10.3.5 Buffering
The DTR signal and the TXD signal are available as a control signal for data transfer to the input buffer.