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AT91M40400 View Datasheet(PDF) - Atmel Corporation

Part Name
Description
MFG CO.
AT91M40400
Atmel
Atmel Corporation Atmel
'AT91M40400' PDF : 116 Pages View PDF
USART Control Register
Name:
Access Type:
US_CR
Write only
31
---
23
---
15
---
7
TXDIS
30
---
22
---
14
---
6
TXEN
29
---
21
---
13
---
5
RXDIS
28
---
20
---
12
SENDA
4
RXEN
27
---
19
---
11
STTTO
3
RSTTX
26
---
18
---
10
STPBRK
2
RSTRX
25
---
17
---
9
STTBRK
1
---
24
---
16
---
8
RSTSTA
0
---
• RSTRX: Reset Receiver
0 = No effect.
1 = The receiver logic is reset.
• RSTTX: Reset Transmitter
0 = No effect.
1 = The transmitter logic is reset.
• 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.
• 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.
• 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 = If break is not being transmitted, start transmission of a break after the characters present in US_THR and the
Transmit Shift Register have been transmitted.
• STPBRK: Stop Break
0 = No effect.
1 = If a break is being transmitted, stop transmission of the break after a minimum of one character length and transmit
a high level during 12 bit periods.
• STTTO: Start Time-out
0 = No effect.
1 = Start waiting for a character before clocking the time-out counter.
• SENDA: Send Address
0 = No effect.
1 = In Multi-drop Mode only, the next character written to the US_THR is sent with the address bit set.
72
AT91M40400
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