1. Introduction
1.1. Features
• ATSAMC21J18A microcontroller
• Embedded Debugger
– USB interface
– Auto-ID for board identification in Atmel Studio
– One yellow status LED
– One green board power LED
– Symbolic debug of complex data types icluding scope information
– Programming and debugging of on board SAM C21 through Serial Wire Debug (SWD)
– Data Gateway Interface: SPI, I
2
C, four GPIOs
– Virtual COM port (CDC)
– Control of on-board power switch to protect connected extensions against high voltage
• Digital I/O
– Two mechanical buttons (user and reset button)
– One QTouch
®
button
– One yellow user LED
– Three Xplained Pro extension headers
• Two selectable target voltages
– 3.3V
– 5.0V
• Level converters between target section and EDBG section
• 32.768kHz crystal mounted
• 16MHz crystal footprint (not mounted)
• CAN transceiver
• LIN transceiver
– Wake-up button
– Master node pull-up enable
– Alternate LIN power jumper
• DAC output connector
• Analog voltage reference connector with filtered power supply
– SDADC VREF
– ADC/DAC VREF
• Supported with application examples in Atmel Software Framework
1.2. Kit Overview
The Atmel SAM C21 Xplained Pro evaluation kit is a hardware platform to evaluate the Atmel
ATSAMC21J18A.
The kit offers a set of features that enables the ATSAMC21J18A user to get started with the SAM C
peripherals right away and to get an understanding of how to integrate the device in their own design.
Atmel SAM C21 Xplained Pro [USER GUIDE]
Atmel-42460C-SAM C21 Xplained Pro_User Guide-10/2015
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