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Programming ATSAMD21J18 with Atmel ICE Debugger
Hi,  Atmel ICE specifies pins connections for programming (datasheet):    Pin 3 should be connected to GND. However, pin 3 (PA02) is used for DAC Output later in...
Thursday, 28 February 2019 - 18:47
SAMD21 Read if Input Pin is High or Low
Hello,  I work with SAMD21. I set several GPIO pins to input. I want to read their state. First, I set which pins I want to be set as input, using REG_PORT_CLR1 and...
Friday, 8 February 2019 - 20:26
Powering PCB from SAMD21 Xplained
Hi, I have a PCB connected to SAMD21 Xplained. I power SAMD21 board using external power supply on 5.0V_IN pin. I use this same pin to power the connected PCB. However, this...
Sunday, 13 January 2019 - 02:46
Using External Vref for SAMD21 DAC
Hi, I used SAMD21 Xplained board. I run a DAC example provided by Atmel Studio: DAC_QUICKSTART1   In header file that comes with the example (dac_feature.h), I have following...
Thursday, 29 November 2018 - 15:14
Adjustable Analog Output
Hi All, Beginner here. Does somebody have a good DAC tutorial for SAMD21, which I could use as a starting point for following project:   I have 8 input bits. Depending on...
Sunday, 25 November 2018 - 14:10
Basic Question about PORT Registers definition
Hello All, I apologize in advance for a very basic stuff to ask, but I just started with Atmel and I am kind of lost about where to find some guidance. I work with SAD21 Xplained...
Tuesday, 13 November 2018 - 19:58