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ATmega4809 Xplained Pro

Preface

The ATmega4809 Xplained Pro evaluation kit is a hardware platform to evaluate the ATmega4809 microcontroller.

Supported by the integrated development platform Microchip Studio, the kit provides easy access to the features of

the ATmega4809 and explains how to integrate the device into a custom design.

The Xplained Pro MCU series evaluation kits include an on-board Embedded Debugger (EDBG). No external tools

are necessary to program or debug the ATmega4809.

The Xplained Pro extension kits offer additional peripherals to extend the features of the board and ease the

development of custom designs.

Table of Contents

Preface........................................................................................................................................................... 1

1. Introduction............................................................................................................................................. 4

1.1. Features....................................................................................................................................... 4

1.2. Kit Overview................................................................................................................................. 4

2. Getting Started........................................................................................................................................ 6

2.1. Xplained Pro Quick Start..............................................................................................................6

2.2. Design Documentation and Relevant Links................................................................................. 6

3. Xplained Pro............................................................................................................................................7

3.1. Embedded Debugger................................................................................................................... 7

3.2. Hardware Identification System....................................................................................................7

3.3. Power Sources.............................................................................................................................8

3.4. Xplained Pro Headers and Connectors........................................................................................8

3.4.1. Xplained Pro Standard Extension Header..................................................................... 8

3.4.2. Xplained Pro Power Header.......................................................................................... 9

4. Hardware User Guide............................................................................................................................11

4.1. Power Distribution...................................................................................................................... 11

4.2. Connectors................................................................................................................................. 12

4.2.1. Xplained Pro Standard Extension Headers................................................................. 12

4.2.2. mikroBUS™ Socket...................................................................................................... 15

4.2.3. AVR® Debugger Connector......................................................................................... 16

4.3. Peripherals................................................................................................................................. 16

4.3.1. Crystals........................................................................................................................16

4.3.2. Mechanical Buttons..................................................................................................... 16

4.3.3. LED..............................................................................................................................17

4.3.4. Footprint for CryptoAuthentication

™ Devices...............................................................17

4.4. Embedded Debugger Implementation........................................................................................18

4.4.1. UPDI............................................................................................................................ 18

4.4.2. Virtual COM Port..........................................................................................................18

4.4.3. Data Gateway Interface............................................................................................... 18

4.5. Kit Modifications......................................................................................................................... 19

4.5.1. Operation at Other Voltages........................................................................................ 22

5. Appendix............................................................................................................................................... 23

5.1. Getting Started with IAR™...........................................................................................................23

6. Hardware Revision History and Known Issues..................................................................................... 25

6.1. Identifying Product ID and Revision........................................................................................... 25

6.2. Revision 6...................................................................................................................................25

6.3. mikroBUS™ Socket and Kit Power Supply..................................................................................25

6.4. Revision 5...................................................................................................................................27

6.5. Revision 4...................................................................................................................................27

6.6. Revision 3...................................................................................................................................27

ATmega4809 Xplained Pro

7. Document Revision History...................................................................................................................29

The Microchip Website.................................................................................................................................30

Product Change Notification Service............................................................................................................30

Customer Support........................................................................................................................................ 30

Microchip Devices Code Protection Feature................................................................................................ 30

Legal Notice................................................................................................................................................. 31

Trademarks.................................................................................................................................................. 31

Quality Management System....................................................................................................................... 32

Worldwide Sales and Service.......................................................................................................................33

ATmega4809 Xplained Pro