SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 848

• Manufacturer Part Number: SAM3A4C
• Manufacturer: Atmel Corporation

• PARE: Parity Error
0: No parity error has been detected since the last RSTSTA.
1: At least one parity error has been detected since the last RSTSTA.
• TIMEOUT: Receiver Time-out
0: There has not been a time-out since the last Start Time-out command (STTTO in US_CR) or the Time-out Register is 0.
1: There has been a time-out since the last Start Time-out command (STTTO in US_CR).
• TXEMPTY: Transmitter Empty
0: There are characters in either US_THR or the Transmit Shift Register, or the transmitter is disabled.
1: There are no characters in US_THR, nor in the Transmit Shift Register.
• ITER: Max number of Repetitions Reached
0: Maximum number of repetitions has not been reached since the last RSTSTA.
1: Maximum number of repetitions has been reached since the last RSTSTA.
• UNRE: SPI Underrun Error
– Applicable if USART operates in SPI Slave Mode (USART_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.
• TXBUFE: Transmission Buffer Empty
0: The signal Buffer Empty from the Transmit PDC channel is inactive.
1: The signal Buffer Empty from the Transmit PDC channel is active.
• RXBUFF: Reception Buffer Full
0: The signal Buffer Full from the Receive PDC channel is inactive.
1: The signal Buffer Full from the Receive PDC channel is active.
• NACK: Non Acknowledge Interrupt
0: Non Acknowledge has not been detected since the last RSTNACK.
1: At least one Non Acknowledge has been detected since the last RSTNACK.
• LINBK: LIN Break Sent or LIN Break Received
– Applicable if USART operates in LIN Master Mode (USART_MODE = 0xA):
0: No LIN Break has been sent since the last RSTSTA.
1: At least one LIN Break has been sent since the last RSTSTA
– If USART operates in LIN Slave Mode (USART_MODE = 0xB):
0: No LIN Break has received sent since the last RSTSTA.
1: At least one LIN Break has been received since the last RSTSTA.
• LINID: LIN Identifier Sent or LIN Identifier Received
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– If USART operates in LIN Master Mode (USART_MODE = 0xA):
SAM3X/A
SAM3X/A
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12