20.6.6 Hibernate Configuration

Name: HIBCFG
Offset: 0x09
Reset: 0x00
Property: PAC Write-Protection

Bit 76543210 
     BRAMCFG[1:0]RAMCFG[1:0] 
Access R/WR/WR/WR/W 
Reset 0000 

Bits 3:2 – BRAMCFG[1:0] Backup RAM Configuration

ValueNameDescription
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

ValueNameDescription
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.