Curiosity Nano Base for Click boardsTM Curiosity Nano Base for Click boardsTM Hardware User Guide Preface TM The Curiosity Nano Base for Click boards evaluation kit is a hardware extension platform to ease the TM connection between Curiosity Nano kits and extension boards like the mikroBUS Click modules and Xplained Pro extension boards. Curiosity Nano Base for Click boards has an on-board Li-Ion/LiPo charger and management circuit for battery powered operation of the board. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 1 Curiosity Nano Base for Click board... Table of Contents Preface............................................................................................................................ 1 1. Introduction................................................................................................................3 1.1. 1.2. Features....................................................................................................................................... 3 Kit Overview................................................................................................................................. 3 2. Getting Started.......................................................................................................... 4 2.1. 2.2. Curiosity Nano Quick Start........................................................................................................... 4 Design Documentation and Relevant Links................................................................................. 4 3. Hardware User Guide................................................................................................5 3.1. 3.2. 3.3. 3.4. Curiosity Nano Base for Click boards Pinout............................................................................... 5 Curiosity Nano Base for Click boards Power Supply................................................................... 6 Curiosity Nano Base for Click boards Battery Charger................................................................ 8 Curiosity Nano Base for Click boards Mounting...........................................................................9 4. Hardware Revision History...................................................................................... 11 4.1. 4.2. Identifying Product ID and Revision........................................................................................... 11 Revision 3...................................................................................................................................11 5. Document Revision History..................................................................................... 12 6. Appendix..................................................................................................................13 6.1. 6.2. Assembly Drawing......................................................................................................................13 Schematic...................................................................................................................................15 The Microchip Web Site................................................................................................ 16 Customer Change Notification Service..........................................................................16 Customer Support......................................................................................................... 16 Product Identification System........................................................................................ 17 Microchip Devices Code Protection Feature................................................................. 17 Legal Notice...................................................................................................................17 Trademarks................................................................................................................... 17 Quality Management System Certified by DNV.............................................................18 Worldwide Sales and Service........................................................................................19 (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 2 Curiosity Nano Base for Click board... Introduction 1. Introduction 1.1 Features * * * * * 1.2 Curiosity Nano Footprint One Power LED Three mikroBUS Sockets One Xplained Pro Extension Header Power - USB powered from the Curiosity Nano kit - Alternative external power input - Option to power from, and charge, 4.20V Li-Ion/LiPo batteries - Fixed 3.3V PSU for target and mikroBUS sockets - Fixed 5.0V Boost converter for 5V mikroBUS sockets Kit Overview Curiosity Nano Base for Click boards allows easy connection of Mikro Elektronika mikroBUSTM Click boards and Xplained Pro extensions to Curiosity Nano evaluation kits. The kit is powered through USB on a mounted Curiosity Nano kit by default. The kit can also be powered from a Li-Ion/LiPo battery or an external source. Curiosity Nano Base for Click boards is shipped with pin-headers and pin-sockets to connect Curiosity Nano evaluation kits. Figure 1-1. Curiosity Nano Base for Click boards Evaluation Kit Overview Battery Connector mikroBUS Socket 1 mikroBUS Socket 2 Xplained Pro Extension mikroBUS Socket 3 Battery Switch Current limit configuration Charger Status LEDs External power input 5V Power Curiosity Nano Footprint Power LED 3.3V Power (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 3 Curiosity Nano Base for Click board... Getting Started 2. Getting Started 2.1 Curiosity Nano Quick Start Steps to start exploring the Curiosity Nano platform: (R) 1. Download Atmel Studio/Microchip MPLAB X IDE. (R) 2. Launch Atmel START or MPLAB Code Configurator. 3. Find the code examples for the Curiosity Nano kit attached to the Curiosity Nano Base for Click boards. Use the code examples as a base for your own firmware development. 2.2 Design Documentation and Relevant Links The following list contains links to the most relevant documents and software for the Curiosity Nano Base for Click boards. (R) (R) (R) (R) * MPLAB X IDE - MPLAB X IDE is a software program that runs on a PC (Windows , Mac OS , (R) Linux ) to develop applications for Microchip microcontrollers and digital signal controllers. It is called an Integrated Development Environment (IDE) because it provides a single integrated "environment" to develop code for embedded microcontrollers. * Atmel Studio - Free IDE for the development of C/C++ and assembler code for microcontrollers. (R) (R) * IAR Embedded Workbench for AVR - This is a commercial C/C++ compiler that is available for 8bit AVR. There is a 30-day evaluation version as well as a 4 KB code-size-limited kick-start version available from their website. * Atmel START - Atmel START is an online tool that helps the user to select and configure software components and tailor your embedded application in a usable and optimized manner. * Microchip Sample Store - Microchip sample store where you can order samples of devices. * Data Visualizer - Data Visualizer is a program used for processing and visualizing data. The Data Visualizer can receive data from various sources such as the EDBG Data Gateway Interface found on Curiosity Nano and Xplained Pro boards and COM Ports. * Xplained Pro Extension Kits - Xplained Pro Extensions for peripheral functions. * Curiosity Nano Base for Click boards website - Kit information, latest user guide and design documentation. * Curiosity Nano Base for Click boards on Microchip Purchasing & Client Services - Purchase this kit on Microchip Purchasing & Client Services. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 4 Curiosity Nano Base for Click board... Hardware User Guide 3. Hardware User Guide 3.1 Curiosity Nano Base for Click boards Pinout The figure below shows how a Curiosity Nano microcontroller board connects to each of the mikroBUS sockets and Xplained Pro extension. Check the appendix of the user guide for your microcontroller board to easily figure out how the microcontroller I/Os are routed on the Curiosity Nano Base for Click boards. Figure 3-1. Curiosity Nano Base for Click boards Pin-out USB ID GND CS3 CS3 CS2 CS2 RST3 RST3 RST2 INT3 NC NC PWM3 PWM2 PWM1 AN3 INT3 NC NC NC NC NC NC GND GND GND AN1 GND INT2 RST2 AN2 AN1 INT2 INT1 AN2 RX2 RST1 INT1 PWM3 PWM2 PWM1 AN3 TX2 +3.3V RST1 GND RX2 MOSI MISO CS1 TX2 SCL SCK GND SDA MISO CS1 RX1 MOSI SCK TX1 SCL GND VCC NC SDA CURIOSITY NANO GND NC RX1 VOFF NC NC TX1 VBUS NC NC DEBUGGER VBUS VOFF NC ID PS LED GND Analog Port PWM ID I2C Base Board Regulated Power SPI Curiosity Nano Power (USB) UART Ground AN1 RST1 CS1 SCK MISO MOSI +3.3V GND AN1 PWM1 INT1 RST1 CS1 RX1 TX1 SCK MISO SCL MOSI SDA +3.3V GND 1 +5V GND NC NC AN3 PWM3 INT3 RST3 CS3 RX1 TX1 SCK MISO SCL MOSI SDA +3.3V GND 3 +5V GND PWM3 INT3 RX1 TX1 SCL SDA +5.0V GND EXT1 1 AN2 RST2 CS2 SCK MISO MOSI +3.3V GND AN2 PWM2 INT2 RST2 CS2 RX2 TX2 SCK MISO MOSI +3.3V GND SCL 2 SDA +5V GND PWM2 INT2 RX2 TX2 SCL SDA +5.0V GND 2 GND AN3 RST3 PWM3 CS3 SCL TX2 MOSI SCK +3.3V ID AN2 RST2 PWM2 INT2 SDA RX2 CS2 MISO GND 19 20 NC NC NC NC SW0 AN3 RST3 CS3 SCK MISO MOSI +3.3V GND Xplained Pro Extension NC NC LED0 PWM1 INT1 RX1 TX1 SCL SDA +5.0V GND Info: SPI and I2C are shared between all connected hardware. The SPI bus has three unique chip select signals routed to each mikroBUS socket. UART1 (TX1 and RX1) is shared between mikroBUS socket 1 and 3, while UART2 (TX2 and RX2) is shared between mikroBUS socket 2 and the Xplained Pro extension header. The Xplained Pro extension header is shared with mikroBUS socket 2 and 3. Make sure to check for any conflicting signals if several add-on boards are in use at the same time. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 5 Curiosity Nano Base for Click board... Hardware User Guide Figure 3-2. Pin Map Example The figure above shows how to identify which microcontroller pins on a ATmega4809 Curiosity Nano are connected to mikroBUS socket 1. 1. 2. 3. 4. Identify which pins you want on the click module Find the pin name inside the mikroBUS socket on the Curiosity Nano Base for Click boards Locate the same pin names next to the Curiosity Nano footprint Read the pin names on the ATmega4809 Curiosity Nano board SDA is connected to pin PA2 and SCL is connected to pin PA3 of the ATmega4809. 3.1.1 Xplained Pro Extensions Xplained Pro Extensions are small extension boards with extra peripheral functions like the mikroBUS Click modules. The extension boards, originally intended for the Xplained Pro series of evaluation kits, are mostly not device specific and can be used with any microcontroller. Note: The QTx Xplained Pro Extension kits are not ensured compatibility due to the device specific requirement of the Peripheral Touch Controller (PTC) and pinout. 3.2 Curiosity Nano Base for Click boards Power Supply The Curiosity Nano Base for Click boards is powered from the USB port on a connected Curiosity Nano microcontroller board. The USB voltage is used to supply the MCP73871 battery charger, to generate 3.3V and 5.0V for the mikroBUS sockets, and to supply the Xplained Pro extension header and the microcontroller on the Curiosity Nano microcontroller board. The power LED at the bottom edge of the board is lit whenever there is a voltage on the 3.3V net. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 6 Curiosity Nano Base for Click board... Hardware User Guide Figure 3-3. Curiosity Nano Base for Click boards Power Supply Info: The VOFF pin connected to the Curiosity Nano microcontroller board is pulled low on Curiosity Nano Base for Click boards. When VOFF is low, the power supply on the Curiosity Nano microcontroller board is disabled and 3.3V is supplied from Curiosity Nano Base for Click boards to the microcontroller. There are several ways to modify how the different parts of the board are powered. 5.0V can be removed from any of the mikroBUS sockets by removing R16, R17, and R18. To power the board from an external power supply, cut J11 and supply an external voltage from 4.5V to 6V through J16. To use the variable voltage power supply on a Curiosity Nano microcontroller board remove R11 and R15. The base board will no longer be powered through the MCP73871 or from an external voltage connected to J16. Table 3-1. Default Component Values Designator Default Comment J11 Closed USB Voltage from Curiosity Nano J16 Not Mounted 1x2 2.54mm pitch pin header, MCP73871 input voltage and GND J14 Not Mounted 1x2 2.54mm pitch pin header, 5.0V output (MCP1642B) J15 Not Mounted 1x2 2.54mm pitch pin header, 3.3V output (MIC33050) R11 Mounted, 0 MIC33050 output connection to VTG_P3V3 net R12 Mounted, 0 Curiosity Nano VCC connection to VTG_P3V3 net R15 Mounted, 0 Curiosity Nano VOFF pin connection to GND R16 Mounted, 0 5.0V connection to mikroBUS socket 1 R17 Mounted, 0 5.0V connection to mikroBUS socket 2 R18 Mounted, 0 5.0V connection to mikroBUS socket 3 (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 7 Curiosity Nano Base for Click board... Hardware User Guide 3.3 Curiosity Nano Base for Click boards Battery Charger The board has a MCP73871-2CC battery charger for 4.20V Li-Ion/LiPo batteries with 2-pin JST B2B-PH connectors. When a battery is connected together with an external power source, the MCP73871 will charge the battery at a maximum current of 500mA. When external power is removed, the MCP73871 will source power from the battery to power the board. The battery charge current can be customized by replacing resistor R7, the charge current follows the formula I = 1000V / R7. WARNING Only use Li-Ion/LiPo batteries with a nominal voltage of 4.20V, and batteries that can handle a charge current of 500mA or more. Info: The battery can be connected/disconnected with the slider switch at the upper right corner of the board. Input current to the MCP73871 is limited to 500mA with the default board settings. With a battery connected, the MCP73781 will power the board with whatever current it requires and use the remaining current to charge the battery. The input current limit can be changed by adjusting the configuration of J9, J10, J12, and J13 according to the table below. Table 3-2. MCP73871 Input Current Limit Settings J9 J10 J12 J13 MCP73871 Current Limit [mA] Open Closed Closed Open 80 to 100 Open Closed Open Closed 80 to 100 Closed Open Closed Open 1500 to 1800 Closed Open Open Closed 400 to 500 (default) WARNING All combinations not listed in the table are invalid and will cause a short-circuit between the input voltage and ground. If the battery is attached to the back of the board in the designated area, a thermistor can be mounted in footprint TH1 to enable the thermal protection feature in the MCP73871. Remove R21 when the thermistor is attached. As an example, using a 10k NTC with parameter of 3590 will allow charging between approximately 4C and 43C. Three status signals from the MCP73871 are connected to LEDs located at the upper edge of the board. The table below shows the different LED combinations. Table 3-3. MCP73871 Status LEDs S1 S2 PS Status Off Off Off Shutdown/no power (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 8 Curiosity Nano Base for Click board... Hardware User Guide ...........continued S1 S2 PS Status Off Off On Shutdown/no battery connected On Off On Battery charging Off On On Battery charge complete On Off Off Low battery output On On On Temperature/timer fault Table 3-4. Default Component Values 3.4 Designator Default Comment J9 Closed MCP73871 current limit setting J10 Open J12 Open J13 Closed R20 Not Mounted Battery switch bypass, solder 0 ohm to permanently connect the battery to the MCP73871 R7 Mounted, 2k Sets the battery charge current R21 Mounted, 10k Battery thermal protection feature of the MCP73871 TH1 Not Mounted Curiosity Nano Base for Click boards Mounting Connecting a Curiosity Nano microcontroller kit to Curiosity Nano Base for Click boards can be done in several ways. The most practical way is to solder sockets to the base board, and headers to the Curiosity Nano microcontroller kit. It is also possible to skip the header and socket, and solder the Curiosity Nano microcontroller kit directly to the base board. Align the USB connector on the Curiosity Nano kit with the upper edge of the base board as shown in the image below to connect the board correctly. Figure 3-4. How to Mount Curiosity Nano Kit The images below shows examples of ATmega4809 Curiosity Nano and PIC16F18446 Curiosity Nano mounted through pin-headers and pin-sockets. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 9 Curiosity Nano Base for Click board... Hardware User Guide Figure 3-5. ATmega4809 Curiosity Nano kit mounted on Curiosity Nano Base for Click boards Figure 3-6. PIC16F18446 Curiosity Nano kit mounted on Curiosity Nano Base for Click boards (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 10 Curiosity Nano Base for Click board... Hardware Revision History 4. Hardware Revision History This user guide provides the latest available revision of the kit. This chapter contains information about known issues, a revision history of older revisions, and how older revisions differ from the latest revision. 4.1 Identifying Product ID and Revision The revision and product identifier of the Curiosity Nano Base for Click boards can be found in two ways; (R) either through Atmel Studio/Microchip MPLAB X IDE or by looking at the sticker on the bottom side of the PCB. By connecting a Curiosity Nano Base for Click boards to a computer with Atmel Studio/Microchip (R) MPLAB X IDE running, an information window will pop up. The first six digits of the serial number, which is listed under kit details, contain the product identifier and revision. The same information can be found on the sticker on the bottom side of the PCB. Most kits will print the identifier and revision in plain text as A09-nnnn\rr, where "nnnn" is the identifier and "rr" is the revision. The boards with limited space have a sticker with only a QR-code, containing the product identifier, revision and the serial number. The serial number string has the following format: "nnnnrrssssssssss" n = product identifier r = revision s = serial number The product identifier for Curiosity Nano Base for Click boards is A09-3206. 4.2 Revision 3 Revision 3 is the initially released revision. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 11 Curiosity Nano Base for Click board... Document Revision History 5. Document Revision History Doc. rev. Date Comment B 3/2019 Kit name changed from Curiosity Nano Adapter to Curiosity Nano Base for Click boardsTM. A 1/2019 Initial document release. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 12 Curiosity Nano Base for Click board... Appendix 6. Appendix 6.1 Assembly Drawing Figure 6-1. Curiosity Nano Base for Click boards Assembly Drawing Top (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 13 Curiosity Nano Base for Click board... Appendix Figure 6-2. Curiosity Nano Base for Click boards Assembly Drawing Bottom (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 14 Curiosity Nano Base for Click board... Appendix Schematic Figure 6-3. Curiosity Nano Base for Click boards Schematic R18 0R R17 0R R16 0R 1 2 R22 470R 12 13 2 BATTERY 7 6 9 SGND PGND SW EP 5 R21 10k B57421V2103H62 R6 10k R7 2k 2 TH1 21 10 11 1 VCC_P4V4_P5V25 EP VSS VSS R19 0R R10 10k R9 10k R5 110k R8 100k J9 J10 J12 J13 R4 270k 2 1 2 1 2 1 R3 470R R2 470R R1 470R 6.2 Download schematics PDF. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 15 Curiosity Nano Base for Click board... The Microchip Web Site Microchip provides online support via our web site at http://www.microchip.com/. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information: * Product Support - Data sheets and errata, application notes and sample programs, design resources, user's guides and hardware support documents, latest software releases and archived software * General Technical Support - Frequently Asked Questions (FAQ), technical support requests, online discussion groups, Microchip consultant program member listing * Business of Microchip - Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives Customer Change Notification Service Microchip's customer notification service helps keep customers current on Microchip products. Subscribers will receive e-mail notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest. To register, access the Microchip web site at http://www.microchip.com/. Under "Support", click on "Customer Change Notification" and follow the registration instructions. Customer Support Users of Microchip products can receive assistance through several channels: * * * * Distributor or Representative Local Sales Office Field Application Engineer (FAE) Technical Support Customers should contact their distributor, representative or Field Application Engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http://www.microchip.com/support (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 16 Curiosity Nano Base for Click board... Product Identification System To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. 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Trademarks The Microchip name and logo, the Microchip logo, AnyRate, AVR, AVR logo, AVR Freaks, BitCloud, chipKIT, chipKIT logo, CryptoMemory, CryptoRF, dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KeeLoq, Kleer, LANCheck, LINK MD, maXStylus, maXTouch, MediaLB, megaAVR, MOST, MOST logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32 logo, Prochip Designer, QTouch, SAM-BA, SpyNIC, SST, SST Logo, SuperFlash, tinyAVR, UNI/O, and XMEGA are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. (c) 2019 Microchip Technology Inc. User Guide DS50002839B-page 17 Curiosity Nano Base for Click board... ClockWorks, The Embedded Control Solutions Company, EtherSynch, Hyper Speed Control, HyperLight Load, IntelliMOS, mTouch, Precision Edge, and Quiet-Wire are registered trademarks of Microchip Technology Incorporated in the U.S.A. Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut, BodyCom, CodeGuard, CryptoAuthentication, CryptoAutomotive, CryptoCompanion, CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, INICnet, Inter-Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, memBrain, Mindi, MiWi, motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, PowerSmart, PureSilicon, QMatrix, REAL ICE, Ripple Blocker, SAM-ICE, Serial Quad I/O, SMART-I.S., SQI, SuperSwitcher, SuperSwitcher II, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. (c) 2019, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. ISBN: 978-1-5224-4201-1 AMBA, Arm, Arm7, Arm7TDMI, Arm9, Arm11, Artisan, big.LITTLE, Cordio, CoreLink, CoreSight, Cortex, DesignStart, DynamIQ, Jazelle, Keil, Mali, Mbed, Mbed Enabled, NEON, POP, RealView, SecurCore, Socrates, Thumb, TrustZone, ULINK, ULINK2, ULINK-ME, ULINK-PLUS, ULINKpro, Vision, Versatile are trademarks or registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere. 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