AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 53

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

Reset Controller Status Register
Register Name: RSTC_SR
Access Type:
• 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.
• BODSTS: Brownout Detection Status
0 = No brownout high-to-low transition happened since the last read of RSTC_SR.
1 = A brownout high-to-low transition 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.
6071A–ATARM–28-Oct-04
0
0
0
1
1
31
23
15
–
–
–
7
–
RSTTYP
0
1
1
0
0
Read-only
0
0
1
0
1
30
22
14
–
–
–
6
–
Power-up Reset
Watchdog Reset
Software Reset
User Reset
Brownout Reset
Reset Type
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
Comments
VDDCORE rising
Watchdog fault occurred
Processor reset required by the software
NRST pin detected low
BrownOut reset occurred
27
19
11
–
–
–
3
–
AT91SAM7S32 Preliminary
26
18
10
–
–
2
–
BODSTS
RSTTYP
SRCMP
25
17
–
9
1
URSTS
NRSTL
24
16
–
8
0
53