AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 82

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

12.5.2
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.
82
0
0
0
0
1
31
23
15
–
–
–
7
–
RSTTYP
AT91SAM9G45
Reset Controller Status Register
0
0
1
1
0
0
1
0
1
0
30
22
14
RSTC_SR
0xFFFFFD04
Read-only
–
–
–
6
–
Reset Type
General Reset
Wake Up Reset
Watchdog Reset
Software Reset
User Reset
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
Comments
Both VDDCORE and VDDBU rising
VDDCORE rising
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
–
6438F–ATARM–21-Jun-10
URSTS
NRSTL
24
16
–
8
0