ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 257

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

16.4.2
Name:
Address:
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.
• 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.
6430D–ATARM–25-Mar-11
0
0
0
0
1
31
23
15
–
–
–
7
–
RSTTYP
Reset Controller Status Register
0
0
1
1
0
0
1
0
1
0
30
22
14
RSTC_SR
0x400E1204
Read-only
–
–
–
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
–
SAM3U Series
RSTTYP
SRCMP
25
17
–
9
1
–
URSTS
NRSTL
24
16
–
8
0
257