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

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Atmel | SMART SAM D21 [DATASHEET]

Atmel-42181C–SAM-D21_Datasheet–07/2014

Please note that the referring page numbers in this section are referred to this document. The referring revision in this 
section are referring to the document revision.

Updated condition for Rise time for both SDA and SCL (t

R

) in High Speed Mode: C

b

 changed from 1000pF to 100pF 

in 

.

General:

Introduced the new product family name: Atmel | SMART
Removed references to Clock Failure Detection.
Sub sections within chapters might been moved to other location within the chapter.
Typo corrections.

Added 32KB Flash and 4KB SRAM options to SAM D21J and SAM D21G.

Added Tray to Carrier Type option for SAM D21E, SAMD 21G and SAMD21J ordering codes.

Updated REF function on PA03 and PA04 in 

PA03: DAC/VREFP changed to DAC/VREFA.
PA04: ADC VREFP changed to ADC/VREFB.
Updated COM function on PA30 and PA31:
PA30: CORTEX_M0P/SWCLK changed to SWCKL.
PA31: Added SWDIO.

Added a second note to 

.

Added 

 Calibration and Auxiliary Space.

Added default values for fuses in 

 NVM User Row Mapping.

MTB renamed from “Memory Trace Buffer” to “Micro Trace Buffer”.

Updated description of 

.

Updated titile of 

 Available Features When Operated From The External Address Range and Device is 

Protected.
Added Device Selection table (

) to Device Selection bit description the Device Identification register 

.DEBVSEL).