User Manual
Table Of Contents
- Preface
- Table of Contents
- 1. Introduction
- 2. Getting Started
- 3. Xplained Pro
- 4. Hardware User Guide
- 5. Kit Specific Data
- 6. Agency Certification
- 7. Hardware Revision History and Known Issues
- 8. Document revision history
- 9. Evaluation Board/Kit Important Notice
Atmel SAM R21 Xplained Pro [USER GUIDE]
42243B-MCU-06/2014
9
Pin number PWR header Pin name Description
4 VCC_P3V3 Regulated 3.3V (output, used as
main power for the kit)
Note
If the board is powered from a battery source it is recommended to use the PWR header. If there
is a power source connected to EDBG USB, the EDBG is activated and it will consume more
power.