590
32072H–AVR32–10/2012
AT32UC3A3
The USART has the following interrupt sources:
LINSNRE: LIN Slave Not Responding Error
– A LIN Slave Not Responding Error has been detected
LINCE: LIN Checksum Error
– A LIN Checksum Error has been detected
LINIPE: LIN Identifier Parity Error
– A LIN Identifier Parity Error has been detected
LINISFE: LIN Inconsistent Sync Field Error
– The USART is configured as a Slave node and a LIN Inconsistent Sync Field Error
has been detected since the last RSTSTA.
LINBE: LIN Bit Error
– A Bit Error has been detected since the last RSTSTA.
MANERR: Manchester Error
– At least one Manchester error has been detected since the last RSTSTA.
CTSIC: Clear to Send Input Change Flag
– At least one change has been detected on the CTS pin since the last CSR read.
DCDIC: Data Carrier Detect Input Change Flag
– A change has been detected on the DCD pin
DSRIC: Data Set Ready Input Change Flag
– A change has been detected on the DSR pin
RIIC: Ring Indicator Input Change Flag
– A change has been detected on the RI pin
LINTC: LIN Transfer Completed
– A LIN transfer has been completed
LINIDR: LIN Identifier
– A LIN Identifier has been sent (master) or received (slave)
NACK: Non Acknowledge
– At least one Non Acknowledge has been detected
RXBUFF: Reception Buffer Full
– The Buffer Full signal from the Peripheral DMA Controller channel is active.
ITER/UNRE: Max number of Repetitions Reached or SPI Underrun Error
– IF USART does not operate in SPI slave mode: Maximum number of repetitions has
been reached since the last RSTSTA.
– If USART operates in SPI slave mode: At least one SPI underrun error has occurred
since the last RSTSTA.
TXEMPTY: Transmitter Empty
– There are no characters in neither THR, nor in the transmit shift register.
TIMEOUT: Receiver Time-out
76543210
PARE
FRAME
OVRE
–
RXBRK
TXRDY
RXRDY