Datasheet

293
AT32UC3A
1: End of PDCA transfer when Receive Counter Register has arrived at zero.
• OVRUN: Receive Overrun
0: No data has been loaded in RHR while previous data has not been read since the last read of the Status Register.
1: Data has been loaded in RHR while previous data has not yet been read since the last read of the Status Register.
• RXRDY: Receive Ready
0: RHR is empty.
1: Data has been received and loaded in RHR.
• TXBUFE: Transmit Buffer Empty
0: TCR or TNCR have a value other than 0.
1: Both TCR and TNCR have a value of 0.
• ENDTX: End of Transmission
0: The register TCR has not reached 0 since the last write in TCR or TNCR.
1: The register TCR has reached 0 since the last write in TCR or TNCR.
• TXEMPTY: Transmit Empty
0: Data remains in THR or is currently transmitted from TSR.
1: Last data written in THR has been loaded in TSR and last data loaded in TSR has been transmitted.
• TXRDY: Transmit Ready
0: Data has been loaded in THR and is waiting to be loaded in the Transmit Shift Register (TSR).
1: THR is empty.
32058K
AVR32-01/12