Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données

Codes de produits
ATSAMD21-XPRO
Page de 1018
61
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
12.13.5 Length
Name:
LENGTH
Offset:
0x0008
Reset:
0x00000000
Property:
Write-Protected
z
Bits 31:2 – LENGTH[29:0]: Length
Length in words needed for memory operations.
z
Bits 1:0 – 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.
Bit
31
30
29
28
27
26
25
24
LENGTH[29:22]
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
23
22
21
20
19
18
17
16
LENGTH[21:14]
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
15
14
13
12
11
10
9
8
LENGTH[13:6]
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
LENGTH[5:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R
R
Reset
0
0
0
0
0
0
0
0