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

Product codes
ATSAMD21-XPRO
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Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
Table 9-4.
NVM Software Calibration Area Mapping
9.3.3
Serial Number
Each device has a unique 128-bit serial number which is a concatenation of four 32-bit words contained at the following 
addresses:
Word 0: 0x0080A00C
Word 1: 0x0080A040
Word 2: 0x0080A044
Word 3: 0x0080A048
The uniqueness of the serial number is guaranteed only when using all 128 bits.
Bit Position
Name 
Description
2:0
Reserved
14:3
Reserved
26:15
Reserved
34:27
ADC LINEARITY
ADC Linearity Calibration. Should be written to 
37:35
ADC BIASCAL
ADC Bias Calibration. Should be written to 
 register.
44:38
OSC32K CAL
OSC32KCalibration. Should be written to 
 register.
49:45
USB TRANSN
USB TRANSN calibration value. Should be written to 
 register.
54:50
USB TRANSP
USB TRANSP calibration value. Should be written to 
 register.
57:55
USB TRIM
USB TRIM calibration value. Should be written to the 
 register.
63:58
DFLL48M COARSE CAL
DFLL48M Coarse calibration value. Should be written to 
 register.
73:64
DFLL48M FINE CAL
DFLL48M Fine calibration value. Should be written to 
 register.
127:74
Reserved