Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート
製品コード
ATSAM4E-XPRO
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
874
37.6.1 UART Control Register
Name:
UART_CR
Address:
0x400E0600 (0), 0x40060600 (1)
Access:
Write-only
RSTRX: Reset Receiver
0: No effect.
1: The receiver logic is reset and disabled. If a character is being received, the reception is aborted.
RSTTX: Reset Transmitter
0: No effect.
1: The transmitter logic is reset and disabled. If a character is being transmitted, the transmission is aborted.
RXEN: Receiver Enable
0: No effect.
1: The receiver is enabled if RXDIS is 0.
RXDIS: Receiver Disable
0: No effect.
1: The receiver is disabled. If a character is being processed and RSTRX is not set, the character is completed before the
receiver is stopped.
receiver is stopped.
TXEN: Transmitter Enable
0: No effect.
1: The transmitter is enabled if TXDIS is 0.
TXDIS: Transmitter Disable
0: No effect.
1: The transmitter is disabled. If a character is being processed and a character has been written in the UART_THR and
RSTTX is not set, both characters are completed before the transmitter is stopped.
RSTTX is not set, both characters are completed before the transmitter is stopped.
RSTSTA: Reset Status
0: No effect.
1: Resets the status bits PARE, FRAME and OVRE in the UART_SR.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
RSTSTA
7
6
5
4
3
2
1
0
TXDIS
TXEN
RXDIS
RXEN
RSTTX
RSTRX
–
–