at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 191

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Debug Unit Control Register
Name:
Access Type:
• 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.
• 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 the DBGU_THR and
RSTTX is not set, both characters are completed before the transmitter is stopped.
• RSTSTA: Reset Status Bits
0 = No effect.
1 = Resets the status bits PARE, FRAME and OVRE in the DBGU_SR.
1790A–ATARM–11/03
TXDIS
31
23
15
–
–
–
7
DBGU_CR
Write-only
TXEN
30
22
14
–
–
–
6
RXDIS
29
21
13
–
–
–
5
RXEN
28
20
12
–
–
–
4
RSTTX
27
19
11
–
–
–
3
RSTRX
26
18
10
–
–
–
2
AT91RM3400
25
17
–
–
9
–
1
–
RSTSTA
24
16
–
–
–
8
0
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