Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet

Product codes
ATSAM4E-XPRO
Page of 1506
879
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
37.6.6 UART Status Register
Name:
UART_SR
Address:
0x400E0614 (0), 0x40060614 (1)
Access:
Read-only 
RXRDY: Receiver Ready
0: No character has been received since the last read of the UART_RHR, or the receiver is disabled. 
1: At least one complete character has been received, transferred to UART_RHR and not yet read. 
TXRDY: Transmitter Ready
0: A character has been written to UART_THR and not yet transferred to the internal shift register, or the transmitter is 
disabled.
1: There is no character written to UART_THR not yet transferred to the internal shift register.
ENDRX: End of Receiver Transfer
0: The end of transfer signal from the receiver Peripheral Data Controller channel is inactive.
1: The end of transfer signal from the receiver Peripheral Data Controller channel is active.
ENDTX: End of Transmitter Transfer
0: The end of transfer signal from the transmitter Peripheral Data Controller channel is inactive.
1: The end of transfer signal from the transmitter Peripheral Data Controller channel is active.
OVRE: Overrun Error
0: No overrun error has occurred since the last RSTSTA. 
1: At least one overrun error has occurred since the last RSTSTA.
FRAME: Framing Error
0: No framing error has occurred since the last RSTSTA. 
1: At least one framing error has occurred since the last RSTSTA.
PARE: Parity Error
0: No parity error has occurred since the last RSTSTA. 
1: At least one parity error has occurred since the last RSTSTA.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
RXBUFF
TXBUFE
TXEMPTY
7
6
5
4
3
2
1
0
PARE
FRAME
OVRE
ENDTX
ENDRX
TXRDY
RXRDY