Datasheet

Table Of Contents
18.8.6 Hibernate Configuration
Name:  HIBCFG
Offset:  0x09
Reset:  0x00
Property:  PAC Write-Protection
Bit 7 6 5 4 3 2 1 0
BRAMCFG[1:0] RAMCFG[1:0]
Access
R/W R/W R/W R/W
Reset 0 0 0 0
Bits 3:2 – BRAMCFG[1:0] Backup RAM Configuration
Value Name Description
0x0
RET In hibernate mode, all the backup RAM is retained.
0x1
PARTIAL In hibernate mode, only the first 4Kbytes of the backup RAM is retained.
0x2
OFF In hibernate mode, all the backup RAM is turned OFF.
0x3
Reserved Reserved.
Bits 1:0 – RAMCFG[1:0] RAM Configuration
Value Name Description
0x0
RET In hibernate mode, all the system RAM is retained.
0x1
PARTIAL In hibernate mode, only the first 32Kbytes of the system RAM is retained.
0x2
OFF In hibernate mode, all the system RAM is turned OFF.
0x3
Reserved Reserved.
SAM D5x/E5x Family Data Sheet
PM – Power Manager
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 231