Datasheet

636
32117D–AVR-01/12
AT32UC3C
0: LIN Bus Line is at 0.
1: LIN Bus Line is at 1.
• DCD: Image of DCD Input
0: DCD is at 0.
1: DCD is at 1.
• DSR: Image of DSR Input
0: DSR is at 0.
1: DSR is at 1.
• RI: Image of RI Input
0: RI is at 0.
1: RI is at 1.
• CTSIC: Clear to Send Input Change Flag
0: No input change has been detected on the CTS pin since the last read of CSR.
1: At least one input change has been detected on the CTS pin since the last read of CSR.
• DCDIC: Data Carrier Detect Input Change Flag
0: No input change has been detected on the DCD pin since the last read of CSR.
1: At least one input change has been detected on the DCD pin since the last read of CSR.
• DSRIC: Data Set Ready Input Change Flag
0: No input change has been detected on the DSR pin since the last read of CSR.
1: At least one input change has been detected on the DSR pin since the last read of CSR.
• RIIC: Ring Indicator Input Change Flag
0: No input change has been detected on the RI pin since the last read of CSR.
1: At least one input change has been detected on the RI pin since the last read of CSR.
• LINTC: LIN Transfer Completed
0: The USART is idle or a LIN transfer is ongoing.
1: A LIN transfer has been completed since the last RSTSTA.
• LINID: LIN Identifier
0: No LIN Identifier received or sent
1: The USART is configured as a Slave node and a LIN Identifier has been received or the USART is configured as a Master
node and a LIN Identifier has been sent since the last RSTSTA.
• NACK: Non Acknowledge
0: No Non Acknowledge has not been detected since the last RSTNACK.
1: At least one Non Acknowledge has been detected since the last RSTNACK.
• RXBUFF: Reception Buffer Full
0: The signal Buffer Full from the Receive Peripheral DMA Controller channel is inactive.
1: The signal Buffer Full from the Receive 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 (MODE … 0xF):
ITER = 0: Maximum number of repetitions has not been reached since the last RSTSTA.
ITER = 1: Maximum number of repetitions has been reached since the last RSTSTA.
If USART operates in SPI Slave Mode (MODE = 0xF):
UNRE = 0: No SPI underrun error has occurred since the last RSTSTA.
UNRE = 1: At least one SPI underrun error has occurred since the last RSTSTA.
• TXEMPTY: Transmitter Empty
0: There are characters in either THR or the Transmit Shift Register, or the transmitter is disabled.
1: There are no characters in THR, nor in the Transmit Shift Register.
• TIMEOUT: Receiver Time-out
0: There has not been a time-out since the last Start Time-out command (STTTO in CR) or the Time-out Register is 0.
1: There has been a time-out since the last Start Time-out command (STTTO in CR).
• PARE: Parity Error