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ATSAMD20-XPRO
278
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
20.8.8 Address
Name:
ADDR
Offset:
0x1C
Reset:
0x00000000
Property:
Write-Protected
z
Bits 31:22 – 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.
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 21:0 – ADDR: NVM Address
ADDR drives the hardware (16-bit) address to the NVM when a command is executed using CMDEX. 8-bit
addresses must be shifted one bit to the right before writing to this register.
ADDR drives the hardware (16-bit) address to the NVM when a command is executed using CMDEX. 8-bit
addresses must be shifted one bit to the right before writing to this register.
This register is automatically updated when writing to the page buffer, and can also be manually written. This reg-
ister holds the address offset for the section addressed.
ister holds the address offset for the section addressed.
Bit
31
30
29
28
27
26
25
24
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
ADDR[21:16]
Access
R
R
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
ADDR[15:8]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
ADDR[7:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0