Contents

Preface 1. Introduction 1.1. Features 1.2. Kit Overview 2. Getting Started 2.1. Curiosity Nano Quick Start MPLAB Xpress 2.2. Curiosity Nano Quick Start 2.3. Design Documentation and Relevant Links 3. Curiosity Nano 3.1. On-board Debugger 3.1.1. Virtual COM Port (CDC) 3.1.1.1. Overview 3.1.1.2. Limitations 3.1.1.3. Signaling 3.1.1.4. Advanced Use 3.1.2. Mass Storage Disk 3.1.2.1. Mass Storage Device 3.1.2.2. Configuration Words 3.2. Curiosity Nano Standard Pinout 3.3. Power Supply 3.3.1. Target Regulator 3.3.2. External Supply 3.3.3. VBUS Output Pin 3.4. Target Current Measurement 3.5. Disconnecting the On-Board Debugger 4. Hardware User Guide 4.1. Connectors 4.1.1. PIC18F47K42 Curiosity Nano Pinout 4.1.2. Using Pin Headers 4.2. Peripherals 4.2.1. LED 4.2.2. Mechanical Switch 4.2.3. Crystal 4.2.4. On-Board Debugger Implementation 4.2.4.1. On-Board Debugger Connections 5. Hardware Revision History and Known Issues 5.1. Identifying Product ID and Revision 5.2. Revision 2 5.3. Revision 1 6. Document Revision History 7. Appendix 7.1. Schematic 7.2. Assembly Drawing 7.3. Curiosity Nano Base for Click boards 7.4. Connecting External Debuggers The Microchip Website Product Change Notification Service Customer Support Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Worldwide Sales and Service