SAM7X256_14 Datasheet, PDF (205/662 Pages) ATMEL Corporation – ARM-based Flash MCU

26.5.1 Debug Unit Control Register
Name:
DBGU_CR
Access Type:
Write-only
31
30
29
–
–
–
23
22
21
–
–
–
15
14
13
–
–
–
7
TXDIS
6
TXEN
5
RXDIS
28
–
20
–
12
–
4
RXEN
27
–
19
–
11
–
3
RSTTX
26
–
18
–
10
–
2
RSTRX
25
24
–
–
17
16
–
–
9
8
–
RSTSTA
1
0
–
–
• 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.
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
205