Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
64
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
12.13.8 Device Identification
The information in this register is related to the ordering code. Refer to the
for details.
Name:
DID
Offset:
0x0018
Reset:
-
Property:
Write-Protected
z
Bits 31:28 – PROCESSOR[3:0]: Processor
The value of this field defines the processor used on the device. For this device, the value of this field is 0x1, cor-
responding to the ARM Cortex-M0+ processor.
The value of this field defines the processor used on the device. For this device, the value of this field is 0x1, cor-
responding to the ARM Cortex-M0+ processor.
z
Bits 27:23 – FAMILY[4:0]: Product Family
The value of this field corresponds to the Product Family part of the ordering code. For this device, the value of this
field is 0x0, corresponding to the SAM D family of base line microcontrollers.
The value of this field corresponds to the Product Family part of the ordering code. For this device, the value of this
field is 0x0, corresponding to the SAM D family of base line microcontrollers.
z
Bit 22 – Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
z
Bits 21:16 – SERIES[5:0]: Product Series
The value of this field corresponds to the Product Series part of the ordering code. For this device, the value of this
field is 0x01, corresponding to a product with the Cortex-M0+ processor with DMA and USB features.
The value of this field corresponds to the Product Series part of the ordering code. For this device, the value of this
field is 0x01, corresponding to a product with the Cortex-M0+ processor with DMA and USB features.
z
Bits 15:12 – DIE[3:0]: Die Identification
Identifies the die in the family.
Identifies the die in the family.
Bit
31
30
29
28
27
26
25
24
PROCESSOR[3:0]
FAMILY[4:1]
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
FAMILY
SERIES[5:0]
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
DIE[3:0]
REVISION[3:0]
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
DEVSEL[7:0]
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0