SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 235

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

13.5.2
Name:
Address:
Access:
• URSTS: User Reset Status
0: No high-to-low edge on NRST happened since the last read of RSTC_SR.
1: At least one high-to-low transition of NRST has been detected since the last read of RSTC_SR.
• RSTTYP: Reset Type
Reports the cause of the last processor reset. Reading this RSTC_SR does not reset this field.
• NRSTL: NRST Pin Level
Registers the NRST Pin Level at Master Clock (MCK).
• SRCMP: Software Reset Command in Progress
0: No software command is being performed by the reset controller. The reset controller is ready for a software command.
1: A software reset command is being performed by the reset controller. The reset controller is busy.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
0
0
0
0
1
31
23
15
–
–
–
7
–
RSTTYP
Reset Controller Status Register
0
0
1
1
0
RSTC_SR
0x400E1A04
Read-only
0
1
0
1
0
30
22
14
–
–
–
6
–
Reset Type
General Reset
Backup Reset
Watchdog Reset
Software Reset
User Reset
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
Comments
First power-up Reset
Return from Backup mode
Watchdog fault occurred
Processor reset required by the software
NRST pin detected low
27
19
11
–
–
–
3
–
26
18
10
–
–
2
–
RSTTYP
SRCMP
25
17
–
9
1
–
SAM3X/A
SAM3X/A
URSTS
NRSTL
24
16
–
8
0
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