786
SAM4CP [DATASHEET]
43051E–ATPL–08/14
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 (automatically set / reset)
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 RSTIT.
1: Maximum number of repetitions has been reached since the last RSTIT.
TXBUFE: TX Buffer Empty
0: US_TCR or US_TNCR have a value other than 0
(1)
.
1: Both US_TCR and US_TNCR have a value of 0
(1)
.
RXBUFF: RX Buffer Full
0: US_RCR or US_RNCR have a value other than 0
(1)
.
1: Both US_RCR and US_RNCR have a value of 0
(1)
.
Note:
1. US_RCR, US_RNCR, US_TCR and US_TNCR are PDC registers.
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.
CTSIC: Clear to Send Input Change Flag (clear on read)
0: No input change has been detected on the CTS pin since the last read of US_CSR.
1: At least one input change has been detected on the CTS pin since the last read of US_CSR.
CTS: Image of CTS Input
0: CTS is set to 0.
1: CTS is set to 1.
MANERR: Manchester Error
0: No Manchester error has been detected since the last RSTSTA.
1: At least one Manchester error has been detected since the last RSTSTA.