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Chapter 15
Asynchronous Serial Interface C (UARTC)
User’s Manual U16580EE3V1UD00
15.5.8 Receive
error
Errors during a receive operation are of three types: parity errors, framing errors, and overrun errors. A
data reception result error flag is set to the UCnSTR register and a reception error interrupt
(INTUCnRE) is output.
During reception error interrupt processing, it is possible to ascertain which error occurred during
reception by reading the contents of the UCnSTR register.
The reception error flag is cleared by writing 0 to it.
Table 15-3:
Reception Error Causes
Cautions: 1. In case of a reception error the reception complete interrupt (INTUCnR) is not
generated. Instead of this a reception error interrupt (INTUCnRE) can be received.
2. Be sure to read the UCnRX register even when a reception error occurs. If the
UCnRX register is not read, an overrun error occurs during reception of the next
data, and reception errors continue occurring indefinitely.
Error Flag
Reception Error
Cause
UCnPE
Parity error
Received parity bit does not match the setting
UCnFE
Framing error
Stop bit not detected
UCnOVE
Overrun error
Reception of next data completed before data was read from receive
buffer
Содержание MuPD70F3187
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Страница 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
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Страница 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Страница 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
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Страница 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
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