AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 293

• Manufacturer Part Number: AT91SAM7S32-AI
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

USART Control Register
Name:
Access Type:
• 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 the US_CSR.
• STTBRK: Start Break
0: No effect.
1: Starts transmission of a break after the characters present in US_THR and the Transmit Shift Register have been trans-
mitted. No effect if a break is already being transmitted.
• STPBRK: Stop Break
0: No effect.
1: Stops transmission of the break after a minimum of one character length and transmits a high level during 12-bit periods.
No effect if no break is being transmitted.
6071A–ATARM–28-Oct-04
RETTO
TXDIS
31
23
15
–
–
7
RSTNACK
US_CR
Write-only
TXEN
30
22
14
–
–
6
RXDIS
RSTIT
29
21
13
–
–
5
SENDA
RXEN
28
20
12
–
–
4
RTSDIS
STTTO
RSTTX
27
19
11
–
3
AT91SAM7S32 Preliminary
STPBRK
RTSEN
RSTRX
26
18
10
–
2
STTBRK
DTRDIS
25
17
–
9
1
–
RSTSTA
DTREN
24
16
–
8
0
–
293