ATmega4809 Curiosity Nano
ATmega4809 Curiosity Nano Hardware User Guide
Preface
The ATmega4809 Curiosity Nano evaluation kit is a hardware platform to evaluate the ATmega4809
microcontroller.
Supported by the Atmel Studio/Microchip MPLAB
®
X integrated development platform, the kit provides
easy access to the features of the ATmega4809 and explains how to integrate the device into a custom
design.
The Curiosity Nano series of evaluation kits include an onboard debugger, and no external tools are
necessary to program the ATmega4809.
© 2018 Microchip Technology Inc.
User Guide
DS50002804A-page 1
Table of Contents
Preface............................................................................................................................ 1
1. Introduction................................................................................................................4
1.1. Features....................................................................................................................................... 4
1.2. Kit Overview................................................................................................................................. 4
2. Getting Started.......................................................................................................... 5
2.1. Curiosity Nano Quick Start........................................................................................................... 5
2.2. Design Documentation and Relevant Links................................................................................. 5
3. Curiosity Nano........................................................................................................... 6
3.1. Onboard Debugger.......................................................................................................................6
3.1.1. Virtual COM Port............................................................................................................6
3.1.2. Mass Storage Disk.........................................................................................................8
3.2. Curiosity Nano Standard Pinout................................................................................................... 9
3.3. Power Supply............................................................................................................................. 10
3.3.1. Target Regulator.......................................................................................................... 10
3.3.2. External Supply............................................................................................................11
3.4. Disconnecting the Onboard Debugger....................................................................................... 11
3.5. Current Measurement................................................................................................................ 13
4. Hardware User Guide..............................................................................................14
4.1. Connectors.................................................................................................................................14
4.1.1. ATmega4809 Curiosity Nano Pinout............................................................................14
4.2. Peripherals................................................................................................................................. 15
4.2.1. LED..............................................................................................................................15
4.2.2. Mechanical Switch.......................................................................................................15
4.2.3. Crystal..........................................................................................................................15
4.3. Onboard Debugger Implementation........................................................................................... 16
4.3.1. Onboard Debugger Connections.................................................................................16
5. Hardware Revision History...................................................................................... 17
5.1. Identifying Product ID and Revision........................................................................................... 17
5.2. Revision 5...................................................................................................................................17
6. Document Revision History..................................................................................... 18
7. Appendix..................................................................................................................19
7.1. Schematic...................................................................................................................................19
7.2. Connecting External Debuggers................................................................................................ 21
7.3. Getting Started with IAR.............................................................................................................22
The Microchip Web Site................................................................................................ 25
Customer Change Notification Service..........................................................................25
ATmega4809 Curiosity Nano
© 2018 Microchip Technology Inc.
User Guide
DS50002804A-page 2