AT91SAM9G46B-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT91SAM9G46B-CU

SMART ARM-based Embedded MPU

Atmel Corporation 

11.5.2 Reset Controller Status Register

Name:

RSTC_SR

Address: 0xFFFFFD04

Access: Read-only

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

SRCMP

NRSTL

15

14

13

12

11

10

9

8

–

–

–

–

–

RSTTYP

7

6

5

4

3

2

1

0

–

–

–

–

–

–

–

URSTS

• 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.

RSTTYP

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

Reset Type

General Reset

Wake Up Reset

Watchdog Reset

Software Reset

User Reset

Comments

Both VDDCORE and VDDBU rising

VDDCORE rising

Watchdog fault occurred

Processor reset required by the software

NRST pin detected low

• 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.

SAM9G46 Series [DATASHEET]

85

Atmel-11028G-ATARM-SAM9G46-Datasheet_08-Dec-15

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