SAM7S256_14 Datasheet, PDF (389/775 Pages) ATMEL Corporation – ARM-based Flash MCU

31.7.1 USART Control Register
Name:
US_CR
Access Type:
Write-only
31
30
29
28
27
–
–
–
–
–
23
22
21
20
19
–
–
–
–
RTSDIS
15
RETTO
14
RSTNACK
13
RSTIT
12
SENDA
11
STTTO
7
TXDIS
6
TXEN
5
RXDIS
4
RXEN
3
RSTTX
Note: 1. DTRDIS and DTREN do not pertain to the SAM7S32/16.
• RSTRX: Reset Receiver
0: No effect.
1: Resets the receiver.
• RSTTX: Reset Transmitter
0: No effect.
1: Resets the transmitter.
• RXEN: Receiver Enable
0: No effect.
1: Enables the receiver, if RXDIS is 0.
• RXDIS: Receiver Disable
0: No effect.
1: Disables the receiver.
• TXEN: Transmitter Enable
0: No effect.
1: Enables the transmitter if TXDIS is 0.
• TXDIS: Transmitter Disable
0: No effect.
1: Disables the transmitter.
• RSTSTA: Reset Status Bits
0: No effect.
1: Resets the status bits PARE, FRAME, OVRE, and RXBRK in US_CSR.
• STTBRK: Start Break
0: No effect.
26
–
18
RTSEN
10
STPBRK
2
RSTRX
25
–
17
DTRDIS⁽¹⁾
9
STTBRK
1
–
24
–
16
DTREN⁽¹⁾
8
RSTSTA
0
–
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
389