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ATSAM4S-XPLD
307
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
19.
General Purpose Backup Registers (GPBR)
19.1
Description
The System Controller embeds Eight general-purpose backup registers.
If a tamper event has been detected, it is not possible to write into general-purpose backup registers while the LPDBCS0
or LPDBCS1 flags are not cleared in supply controller status register SUPC_SR.
or LPDBCS1 flags are not cleared in supply controller status register SUPC_SR.
19.2
Embedded Characteristics
Eight 32-bit General Purpose Backup Registers
19.3
General Purpose Backup Registers (GPBR) User Interface
Table 19-1. Register Mapping
Offset
Register
Name
Access
Reset
0x0
General Purpose Backup Register 0
SYS_GPBR0
Read-write
–
...
...
...
...
...
0x1C
General Purpose Backup Register 7
SYS_GPBR7
Read-write
–