Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
1009
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
.
Updated description in sub sections of
Updated description in sub sections of
.
Lock Update (LUPD) bit description updated in Control B Clear (
Compare Channel Buffer x Busy (CCBx) bit description updated in Synchronization Busy (
) register.
Event Control (
) register property updated: Removed Enable-Protected.
Interrupt Enable Clear (
) Interrupt Enable Set (
) and Interrupt Flag Status and Clear
) registers: Updated bit description of FAULT0, FAULT1, FAULTA and FAULTB.
register bit descriptions updated.
Wave Control (
) register property updated: Removed Read-Synchronized.
Pattern Buffer (
) register: Updated property and bit description.
Waveform Control Buffer (
) register: Updated property and bit descriptions.
Removed figures: Setup Transaction Overview, OUT Single Bank Transaction Overview, IN Single Bank Transaction
Overview and USB Host Communication Flow.
Updated description and graphics in sub sections of
Overview and USB Host Communication Flow.
Updated description and graphics in sub sections of
.
Updated description in sub sections of
.
Pad Calibration (
) register: Access updated.
Upgraded bit descriptions.
: Updated register reset values.
Register Description:
bit selection names updated from AREFA / AREFB to VREFA / VREFB in
Updated block diagram and signal description: VREFP replaced with VREFB.