Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet
Product codes
ATSAMD20-XPRO
269
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
20.8.2 Control B
Name:
CTRLB
Offset:
0x04
Reset:
0x00000000
Property:
Write-Protected
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.
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
Bit 18 – CACHEDIS: Cache Disable
This bit is used to disable the cache.
This bit is used to disable the cache.
0: The cache is enabled.
1: The cache is disabled.
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
CACHEDIS
READMODE[1:0]
Access
R
R
R
R
R
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
SLEEPPRM[1:0]
Access
R
R
R
R
R
R
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
MANW
RWS[3:0]
Access
R/W
R
R
R/W
R/W
R/W
R/W
R
Reset
0
0
0
0
0
0
0
0