SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 767

• Manufacturer Part Number: SAM3A4C
• Manufacturer: Atmel Corporation

34.6.6
Name:
Address:
Access:
• 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 Shift Register, or the transmitter is disabled.
1 = There is no character written to UART_THR not yet transferred to the 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.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
PARE
31
23
15
–
–
–
7
UART Status Register
UART_SR
0x400E0814
Read-only
FRAME
30
22
14
–
–
–
6
OVRE
29
21
13
–
–
–
5
RXBUFF
ENDTX
28
20
12
–
–
4
TXBUFE
ENDRX
27
19
11
–
–
3
26
18
10
–
–
–
–
2
TXEMPTY
TXRDY
25
17
–
–
9
1
SAM3X/A
SAM3X/A
RXRDY
24
16
–
–
–
8
0
767
767