Reading the STATUSB register returns the peripheral write protection status of the
indicated peripherals:
0 Peripheral is not write protected.
1 Peripheral is write protected.
Table 15-11. Register Bit Attribute
Legend
Symbol
Description
Symbol
Description
Symbol
Description
R
Readable bit
HC
Cleared by Hardware
(Grey cell)
Unimplemented
W
Writable bit
HS
Set by Hardware
X
Bit is unknown at Reset
K
Write to clear
S
Software settable bit
—
—
Name:
STATUSB
Offset:
0x38
Reset:
0x00000000
Property:
-
Bit
31
30
29
28
27
26
25
24
Access
Reset
Bit
23
22
21
20
19
18
17
16
Access
Reset
Bit
15
14
13
12
11
10
9
8
TCC3
TCC2
TCC1
TCC0
SERCOM3
SERCOM2
Access
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
SERCOM1
SERCOM0
EVSYS
IDAU
PRM
DMA1
DMA0
PORT
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
Bits 10, 11, 12, 13 – TCCn Interrupt Flag for Timer Counter Controller, n = 0..3
Bits 6, 7, 8, 9 – SERCOMn Serial Communication Interface n, n = 0..3
Bit 5 – EVSYS Event System
Bit 4 – IDAU Implementation Defined Attribution Unit
Bit 3 – PRM
Bits 1, 2 – DMAn n = 0..1
Bit 0 – PORT PORT General Purpose Pin I/O
Controller
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
