Datasheet

22.8.3 NVM Parameter
Name: PARAM
Offset: 0x08
Reset: 0x000XXXXX
Property: PAC Write-Protection
Bit 31 30 29 28 27 26 25 24
RWWEEP[11:4]
Access
R R R R R R R R
Reset 0 0 0 0 0 0 0 0
Bit 23 22 21 20 19 18 17 16
RWWEEP[3:0] PSZ[2:0]
Access
R R R R R R R
Reset 0 0 0 0 x x x
Bit 15 14 13 12 11 10 9 8
NVMP[15:8]
Access
R R R R R R R R
Reset x x x x x x x x
Bit 7 6 5 4 3 2 1 0
NVMP[7:0]
Access
R R R R R R R R
Reset x x x x x x x x
Bits 31:20 – RWWEEP[11:0] Read While Write EEPROM emulation area Pages
Indicates the number of pages in the RWW EEPROM emulation address space.
Bits 18:16 – PSZ[2:0] Page Size
Indicates the page size. Not all devices of the device families will provide all the page sizes indicated in
the table.
Value Name Description
0x0
8 8 bytes
0x1
16 16 bytes
0x2
32 32 bytes
0x3
64 64 bytes
0x4
128 128 bytes
0x5
256 256 bytes
0x6
512 512 bytes
0x7
1024 1024 bytes
Bits 15:0 – NVMP[15:0] NVM Pages
Indicates the number of pages in the NVM main address space.
SAM D21 Family
NVMCTRL – Nonvolatile Memory Controller
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 398