115
6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
16.2.2
Chip ID Extension Register
Register Name:
SF_EXID
Access Type:
Read-only
Reset Value:
Hardwired
Offset:
0x04
This register is reserved for future use. It will be defined when needed.
16.2.3
Reset Status Register
Register Name:
SF_RSR
Access Type:
Read-only
Reset Value:
See Below
Offset:
0x08
• RESET: Reset Status Information
This field indicates whether the reset was demanded by the external system (via NRST) or by the Watchdog internal reset
request.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
RESET
Reset
Cause of Reset
Code Label
SF_RESET
0x6C
External Pin
SF_EXT_RESET
0x53
Internal Watchdog
SF_WD_RESET