Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
162
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
19.
General-Purpose Backup Registers (GPBR)
19.1
Description
The System Controller embeds four General-purpose Backup registers.
19.2
Embedded Characteristics
Four 32-bit General Purpose Backup Registers
19.3
General Purpose Backup Registers (GPBR) User Interface
19.3.1 General Purpose Backup Register x
Name:
SYS_GPBRx
Address:
0xFFFFFE60
Access:
Read-write
• GPBR_VALUE: Value of GPBR x
Table 19-1. Register Mapping
Offset
Register
Name
Access
Reset
0x0
General Purpose Backup Register 0
SYS_GPBR0
Read-write
–
...
...
...
...
...
0xc
General Purpose Backup Register 3
SYS_GPBR3
Read-write
–
31
30
29
28
27
26
25
24
GPBR_VALUE
23
22
21
20
19
18
17
16
GPBR_VALUE
15
14
13
12
11
10
9
8
GPBR_VALUE
7
6
5
4
3
2
1
0
GPBR_VALUE