Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet

Product codes
ATSAMD20-XPRO
Page of 660
120
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
15.8.7 AHB Mask
Name:
AHBMASK
Offset:
0x14
Reset:
0x0000001F
Property:
Write-Protected
z
Bits 31:5 – 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 4:0 – NVMCTRL, DSU, HPB2, HPB1, HPB0: AHB Clock Enable
For any bit:
0: The AHB clock for the corresponding module is stopped.
1: The AHB clock for the corresponding module is enabled.
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
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
NVMCTRL
DSU
HPB2
HPB1
HPB0
Access
R
R
R
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
1
1
1
1
1