Datasheet

13.13.9 Device Identification
Name: DID
Offset: 0x0018
Property: PAC Write-Protection
The information in this register is related to the Ordering Information.
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 p p p p f f f f
Bit 23 22 21 20 19 18 17 16
FAMILY[0:0] SERIES[5:0]
Access
R R R R R R R
Reset f s s s s s s
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 d d d d r r r r
Bit 7 6 5 4 3 2 1 0
DEVSEL[7:0]
Access
R R R R R R R R
Reset x x x x x x x x
Bits 31:28 – PROCESSOR[3:0] Processor
The value of this field defines the processor used on the device.
Bits 27:23 – FAMILY[4:0] Product Family
The value of this field corresponds to the product family part of the ordering code.
Bits 21:16 – SERIES[5:0] Product Series
The value of this field corresponds to the product series part of the ordering code.
Bits 15:12 – DIE[3:0] Die Number
Identifies the die family.
Bits 11:8 – REVISION[3:0] Revision Number
Identifies the die revision number. 0x0=rev.A, 0x1=rev.B etc.
Note: The device variant (last letter of the ordering number) is independent of the die revision
(DSU.DID.REVISION): The device variant denotes functional differences, whereas the die revision marks
evolution of the die.
Bits 7:0 – DEVSEL[7:0] Device Selection
This bit field identifies a device within a product family and product series.
SAM D21 Family
DSU - Device Service Unit
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 95