Datasheet

618
42023E–SAM–07/2013
ATSAM4L8/L4/L2
The USART has the following interrupt sources:
• LINHTE: LIN Header Time-out Error
– A LIN Header Time-out Error has been detected
• LINSTE: LIN Sync Tolerance Error
– A LIN Sync Tolerance Error has been detected
• 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.
76543210
PARE FRAME OVRE – – RXBRK TXRDY RXRDY