Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet

Product codes
ATSAMD21-XPRO
Page of 1018
75
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
12.13.18Component Identification 1
Name:
CID1
Offset:
0x1FF4
Reset:
0x00000010
Property:
-
z
Bits 31:8 – 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 7:4 – CCLASS[3:0]: Component Class
These bits will always return 0x1 when read indicating that this ARM CoreSight component is ROM table (refer to 
the ARM Debug Interface v5 Architecture Specification at http://www.arm.com).
z
Bits 3:0 – PREAMBLE[3:0]: Preamble
These bits will always return 0x0 when read.
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
CCLASS[3:0]
PREAMBLE[3:0]
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
1
0
0
0
0