Microchip Technology AVR128DB48 Curiosity Nano, Руководство пользователя по оборудованию

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Table of Contents
Preface........................................................................................................................................................... 1
1. Introduction............................................................................................................................................. 4
1.1. Features....................................................................................................................................... 4
1.2. Board Overview............................................................................................................................4
2. Getting Started........................................................................................................................................ 5
2.1. Quick Start....................................................................................................................................5
2.1.1.
Driver Installation........................................................................................................... 5
2.1.2. Kit Window.....................................................................................................................5
2.1.3. MPLAB
®
X IDE Device Family Packs............................................................................5
2.1.4. Atmel Studio 7 Device Family Pack...............................................................................6
2.2. Design Documentation and Relevant Links................................................................................. 6
3. Preprogrammed Application....................................................................................................................7
4. Curiosity Nano.........................................................................................................................................8
4.1. On-Board Debugger Overview..................................................................................................... 8
4.1.1.
Debugger.......................................................................................................................8
4.1.2. Virtual Serial Port (CDC)................................................................................................9
4.1.2.1.
Overview..................................................................................................... 9
4.1.2.2. Operating System Support.......................................................................... 9
4.1.2.3. Limitations................................................................................................. 10
4.1.2.4. Signaling....................................................................................................10
4.1.2.5. Advanced Use........................................................................................... 11
4.1.3. Mass Storage Device...................................................................................................11
4.1.3.1.
Mass Storage Device Implementation.......................................................12
4.1.3.2. Limitations of Drag-and-Drop Programming..............................................12
4.1.3.3. Special Commands................................................................................... 12
4.1.4. Data Gateway Interface (DGI)..................................................................................... 13
4.1.4.1.
Debug GPIO..............................................................................................13
4.1.4.2. Timestamping............................................................................................14
4.2. Curiosity Nano Standard Pinout................................................................................................. 14
4.3. Power Supply............................................................................................................................. 15
4.3.1.
Target Regulator.......................................................................................................... 15
4.3.2. External Supply............................................................................................................17
4.3.3. VBUS Output Pin......................................................................................................... 17
4.3.4. Power Supply Exceptions............................................................................................ 18
4.4. Low-Power Measurement.......................................................................................................... 19
4.5. Programming External Microcontrollers..................................................................................... 20
4.5.1.
Supported Devices...................................................................................................... 20
4.5.2. Software Configuration................................................................................................ 20
4.5.3. Hardware Modifications............................................................................................... 21
4.5.4. Connecting to External Microcontrollers...................................................................... 22
4.6. Connecting External Debuggers................................................................................................ 23
5. Hardware User Guide........................................................................................................................... 26
AVR128DB48 Curiosity Nano
©
2020 Microchip Technology Inc.
User Guide
DS50003037A-page 2