Microchip Technology AVR128DA48 Curiosity Nano, Руководство пользователя

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Table of Contents
Preface........................................................................................................................................................... 1
1. Introduction............................................................................................................................................. 4
1.1. Features....................................................................................................................................... 4
1.2. Kit Overview................................................................................................................................. 4
2. Getting Started........................................................................................................................................ 5
2.1. Quick Start....................................................................................................................................5
2.2. Design Documentation and Relevant Links................................................................................. 5
3. Curiosity Nano.........................................................................................................................................7
3.1. On-Board Debugger Overview..................................................................................................... 7
3.1.1.
Debugger.......................................................................................................................7
3.1.2. Virtual Serial Port (CDC)................................................................................................8
3.1.2.1.
Overview..................................................................................................... 8
3.1.2.2. Operating System Support.......................................................................... 8
3.1.2.3. Limitations................................................................................................... 9
3.1.2.4. Signaling......................................................................................................9
3.1.2.5. Advanced Use............................................................................................. 9
3.1.3. Mass Storage Device...................................................................................................10
3.1.3.1.
Mass Storage Device Implementation.......................................................10
3.1.3.2. Fuse Bytes.................................................................................................11
3.1.3.3. Limitations of Drag-and-Drop Programming..............................................11
3.1.3.4. Special Commands................................................................................... 11
3.1.4. Data Gateway Interface (DGI)..................................................................................... 12
3.1.4.1.
Debug GPIO..............................................................................................12
3.1.4.2. Timestamping............................................................................................12
3.2. Curiosity Nano Standard Pinout................................................................................................. 13
3.3. Power Supply............................................................................................................................. 13
3.3.1.
Target Regulator.......................................................................................................... 14
3.3.2. External Supply............................................................................................................15
3.3.3. VBUS Output Pin......................................................................................................... 16
3.3.4. Power Supply Exceptions............................................................................................ 16
3.4. Low Power Measurement...........................................................................................................17
3.5. Programming External Microcontrollers..................................................................................... 18
3.5.1.
Supported Devices...................................................................................................... 18
3.5.2. Software Configuration................................................................................................ 18
3.5.3. Hardware Modifications............................................................................................... 19
3.5.4. Connecting to External Microcontrollers...................................................................... 20
3.6. Connecting External Debuggers................................................................................................ 21
4. Hardware User Guide........................................................................................................................... 24
4.1. Connectors................................................................................................................................. 24
4.1.1.
AVR128DA48 Curiosity Nano Pinout...........................................................................24
4.1.2. Using Pin Headers.......................................................................................................24
4.2. Peripherals................................................................................................................................. 25
AVR128DA48 Curiosity Nano
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2020 Microchip Technology Inc.
User Guide
DS50002971A-page 2