22.8.3 Power Configuration

Name: PWCFG
Offset: 0x03
Reset: 0x00
Property: PAC Write-Protection

Bit 76543210 
       RAMPSWC[1:0] 
Access R/WR/W 
Reset 00 

Bits 1:0 – RAMPSWC[1:0] RAM Power Switch Configuration

CAUTION: This configuration takes effect immediately. Therefore, users must ensure that no access is performed on a SRAM sub-block which is switched OFF. When a SRAM sub-block is switched from OFF to ON state, a delay of 1 µs is required before re-accessing it.
Table 22-7. 64-KB Flash
Value Name Definition
0x0 16 KB 16 KB available
0x1 12 KB 12 KB available
0x2 8 KB 8 KB available
0x3 4 KB 4 KB available
Table 22-8. 32-KB Flash
Value Name Definition
0x0 8 KB 8 KB available
0x1 8 KB 8 KB available
0x2 8 KB 8 KB available
0x3 4 KB 4 KB available
Table 22-9. 16-KB Flash (SAM L10)
Value Name Definition
0x0 4 KB 4 KB Available
0x1 4 KB 4 KB Available
0x2 4 KB 4 KB Available
0x3 4 KB 4 KB Available
Table 22-10. 16-KB Flash (SAM L11)
Value Name Definition
0x0 8 KB 8 KB Available
0x1 8 KB 8 KB Available
0x2 8 KB 8 KB Available
0x3 4 KB 4 KB Available