Datasheet

358
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
21.8.3 NVM Parameter
Name: PARAM
Offset: 0x08
Reset: 0x000XXXXX
Property: -
z Bits 31:19 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z Bits 18:16 – PSZ[2:0]: Page Size
Indicates the page size. Not all device families will provide all the page sizes indicated in the table.
Table 21-9. Page Size
Bit 3130292827262524
AccessRRRRRRRR
Reset00000000
Bit 2322212019181716
PSZ[2:0]
AccessRRRRRRRR
Reset00000XXX
Bit 151413121110 9 8
NVMP[15:8]
AccessRRRRRRRR
ResetXXXXXXXX
Bit 76543210
NVMP[7:0]
AccessRRRRRRRR
ResetXXXXXXXX
PSZ[2:0] Name Description
0x0 8 8 bytes
0x1 16 16 bytes
0x2 32 32 bytes
0x3 64 64 bytes
0x4 128 128 bytes