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AVR-IoT WG Technical

Summary

AVR-IoT WG Development Board Technical Summary

Preface

The AVR-IoT WG development board is a small and easily expandable demonstration and development

platform for IoT solutions, based on the AVR® microcontroller architecture using Wi-Fi® technology. It was

designed to demonstrate that the design of a typical IoT application can be simplified by partitioning the

problem into three blocks:

• Smart - represented by the ATmega4808 microcontroller

• Secure - represented by the ATECC608A secure element

• Connected - represented by the WINC1510 Wi-Fi controller module

The AVR-IoT WG development board features a USB interface chip Nano Embedded Debugger (nEDBG)

that provides access to a serial port interface (serial to USB bridge), a mass storage interface for easy

‘drag and drop’ programming, configuration and full access to the AVR microcontroller UPDI interface for

programming and debugging directly from Microchip MPLAB® X IDE and the Atmel® Studio 7.0 IDE. The

AVR-IoT WG development board comes preprogrammed and configured for demonstrating connectivity

to the Google Cloud IoT Core.

The AVR-IoT WG development board features two sensors:

• A light sensor

• A high-accuracy temperature sensor - MCP9808

Additionally, a mikroBUS™ connector is provided to expand the board capabilities with 450+ sensors and

actuators offered by MikroElektronika (www.mikroe.com) via a growing portfolio of Click boards™.

Table of Contents

Preface............................................................................................................................ 1

1. Introduction................................................................................................................4

1.1. Features....................................................................................................................................... 4

1.2. Kit Overview................................................................................................................................. 4

2. Getting Started.......................................................................................................... 6

2.1. Quick Start....................................................................................................................................6

2.2. Design Documentation and Relevant Links................................................................................. 6

3. Application User Guide..............................................................................................7

4. Hardware User Guide................................................................................................8

4.1. nEDBG......................................................................................................................................... 8

4.2. Power......................................................................................................................................... 11

4.3. Connectors................................................................................................................................. 12

4.4. Peripherals................................................................................................................................. 13

5. Mechanical Drawings.............................................................................................. 17

6. Regulatory Approval................................................................................................ 18

6.1. United States..............................................................................................................................18

6.2. Canada.......................................................................................................................................19

6.3. Taiwan........................................................................................................................................ 19

6.4. List of Antenna Types.................................................................................................................19

7. Hardware Revision History...................................................................................... 20

7.1. Identifying Product ID and Revision........................................................................................... 20

7.2. Revision 8...................................................................................................................................20

7.3. Revision 7...................................................................................................................................20

7.4. Revision 6...................................................................................................................................20

8. Document Revision History..................................................................................... 21

The Microchip Web Site................................................................................................ 22

Customer Change Notification Service..........................................................................22

Customer Support......................................................................................................... 22

Microchip Devices Code Protection Feature................................................................. 22

Legal Notice...................................................................................................................23

Trademarks................................................................................................................... 23

AVR-IoT WG Technical Summary

Quality Management System Certified by DNV.............................................................24

Worldwide Sales and Service........................................................................................25

AVR-IoT WG Technical Summary

1. Introduction

1.1 Features

• ATmega4808-MFR Microcontroller

• Four User LED’s

• Two Mechanical Buttons

• WINC1510 Wi-Fi Module

• TEMT6000 Light Sensor

• MCP9808 Temperature Sensor

• ATECC608A CryptoAuthentication™ Device

• mikroBUS Header Footprint

• nEDBG

– Board identification in Atmel Studio and Microchip MPLAB X

– One green board power and status LED

– Programming and debugging

– Virtual COM port (CDC)

– Two logic analyzer channels (DGI GPIO)

• USB and Battery Powered

• Li-Ion/LiPo Battery Charger

• Fixed 3.3V

1.2 Kit Overview

The AVR-IoT WG development kit is a hardware platform to evaluate the ATmega4808 and WINC1510

Wi-Fi module. The figure below show the main features and pinout of the kit.

AVR-IoT WG Technical Summary

Introduction

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Figure 1-1. AVR-IoT WG Development Kit Overview

AVR-IoT WG Technical Summary

Introduction

2. Getting Started

2.1 Quick Start

Steps to start exploring the kit:

1. Connect the kit to your computer.

2. Open the “CLICK-ME.HTM” file on the “CURIOSITY” mass storage disk and follow the instructions.

3. Drag and drop the “WIFI.cfg” configuration file on the “CURIOSITY” drive.

The device will now connect to your Wi-Fi network and send data to the Google Cloud IoT Core.

2.2 Design Documentation and Relevant Links

The following list contains links to the most relevant documents and software for the AVR-IoT WG.

•AVR-IoT WG website - Kit information, latest user guide and design documentation.

•AVR-IoT WG on microchipDIRECT - Purchase this kit on microchipDIRECT.

•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.

•Atmel Studio - Free IDE for the development of C/C++ and assembler code for microcontrollers.

•MPLAB® X IDE - MPLAB X IDE is a software program that runs on a PC (Windows®, Mac OS®,

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.

•IAR Embedded Workbench® for AVR® - This is a commercial C/C++ compiler that is available for

8-bit AVR. There is a 30-day evaluation version as well as a 4 KB code-size-limited kick-start

version available from their website.

•http://microchip.com/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.

AVR-IoT WG Technical Summary

Getting Started

3. Application User Guide

The ATmega4808-MFR mounted on AVR-IoT WG is preprogrammed with an application ready to connect

to Google Cloud IoT Core. The ATECC608 is preregistered with Google Cloud IoT Core, and the

application only needs a Wi-Fi network with an internet connection to stream data to Google Cloud IoT

Core. Scan the QR-code on the back of the board, or with instructions on how to connect to a Wi-Fi

network open CLICK-ME.HTM in the mass storage USB drive, which opens a page on Google Cloud

ready to receive data from your board.

For in-depth information about the preprogrammed demo application and how to develop your own

application, see the AVR-IoT WG Development Board User Guide.

AVR-IoT WG Technical Summary

Application User Guide

4. Hardware User Guide

4.1 nEDBG

AVR-IoT WG contains an Embedded Debugger (nEDBG) for on-board programming and debugging. The

nEDBG is a composite USB device of several interfaces: a debugger, a mass storage device, a data

gateway and a Virtual COM port (CDC).

Together with Atmel Studio/MPLAB X, the nEDBG debugger interface can program and debug the

ATmega4808.

A Data Gateway Interface (DGI) is available for use with the logic analyzer channels for code

instrumentation, to visualize program flow. DGI GPIO’s can be graphed using the Data Visualizer.

The Virtual COM port is connected to a UART on the ATmega4808 and provides an easy way to

communicate with the target application through terminal software.

The nEDBG controls one Power and Status LED (marked PS) on the AVR-IoT WG board. The table

below shows how the LED is controlled in different operation modes.

Table 4-1. nEDBG LED Control

Operation mode Status LED

Boot loader mode LED blink at 1 Hz during power up.

Power-up LED is lit - constant.

Normal operation LED is lit - constant.

Programming Activity indicator; the LED flashes slowly during

programming/debugging with the nEDBG.

Fault The LED flashes fast if a power fault is detected.

Sleep/Off LED is off. The nEDBG is either in Sleep mode or

powered down. This can occur if the kit is

externally powered.

4.1.1 Virtual COM Port

A general purpose USB serial bridge between a host PC and a target device.

4.1.1.1 Overview

nEDBG implements a composite USB device that includes a standard Communications Device Class

(CDC) interface, which appears on the host as a Virtual COM Port. The CDC can be used to stream

arbitrary data in both directions between the host and the target: characters sent from the host will appear

in UART form on the CDC TX pin, and UART characters sent into the CDC RX pin will be sent back to the

host.

On Windows machines, the CDC will enumerate as Curiosity Virtual COM Port, and will appear in the

Ports section of the device manager. The COM port number is usually shown here.

Info: On older Windows systems a USB driver is required for CDC. This driver is included in Atmel

Studio and MPLAB X installations.

On Linux machines, the CDC will enumerate and appear as /dev/ttyACM#.

AVR-IoT WG Technical Summary

Hardware User Guide

On MAC machines, the CDC will enumerate and appear as /dev/tty.usbmodem#. Depending on which

terminal program is used, it will appear in the available list of modems as usbmodem#.

4.1.1.2 Limitations

Not all UART features are implemented in the nEDBG CDC - the constraints are outlined here:

•Baud rate must be in the range 1200 bps to 500 kbps. Values outside this range will be capped to

these values, without warning. Baud rate can be changed on-the-fly.

•Character format: only 8-bit characters are supported

•Parity: can be odd, even or none.

•Hardware flow control: not supported.

•Stop bits: one or two bits are supported

4.1.1.3 Signaling

During USB enumeration, the host OS will start both communication and data pipes of the CDC

interface. At this point it is possible to set and read back baud rate and other UART parameters of the

CDC, but data sending and receiving will not be enabled.

When a terminal connects on the host, it must assert the DTR signal. This is a virtual control signal that

is implemented on the USB interface but not in hardware on the nEDBG. Asserting DTR from the host will

indicate to the nEDBG that a CDC session is active, and it will enable its level shifters (if available), and

start the CDC data send and receive mechanisms.

Deasserting the DTR signal will not disable the level shifters, but it will disable the receiver, so no further

data will be streamed to the host. Data packets that are already queued up for sending to the target will

continue to be sent out, but no further data will be accepted.

4.1.1.4 Advanced Use

CDC Override Mode

In normal operation the nEDBG is a true UART bridge between the host and device. However, under

certain use cases the nEDBG can override the Basic Operating mode and use the CDC pins for other

purposes.

Dropping a text file (with extension .txt) into the nEDBG’s mass storage drive can be used to send

characters out of the CDC TX pin. The text file must start with the characters:

CMD:SEND_UART=

The maximum message length is 50 characters - all remaining data in the frame is ignored.

The default baud rate used in this mode is 9600bps, but if the CDC is already active or has been

configured, the baud rate last used still applies.

USB-level Framing Considerations

Sending data from the host to the CDC can be done byte-wise or in blocks, which will be chunked into

64-byte USB frames. Each such frame will be queued up for sending to the CDC TX pin. Sending a small

amount of data per frame can be inefficient, particularly at low baud rates, since the nEDBG buffers

frames, not bytes. A maximum of 4 x 64-byte frames can be active at any one time, the nEDBG will

throttle the incoming frames accordingly. Sending full 64-byte frames containing data is most efficient.

When receiving data from the target, the nEDBG will queue up incoming bytes into 64-byte frames,

which are sent to the USB queue for transmission to the host when they are full. Incomplete frames are

also pushed to the USB queue at approximately 100ms intervals, triggered by USB start-of-frame tokens.

AVR-IoT WG Technical Summary

Hardware User Guide

Up to 8 x 64-byte frames can be active at any one time. If the host, or software running on it, fails to

receive data fast enough, an overrun will occur. When this happens the last-filled buffer frame will be

recycled instead of being sent to the USB queue, and a full frame of data will be lost. To prevent this

occurrence, the user must ensure that CDC data pipe is being read continuously, or the incoming data

rate must be reduced.

4.1.2 Mass Storage Disk

A simple way to program the target device through drag and drop with .hex-files.

4.1.2.1 Mass Storage Device

nEDBG implements a highly optimized variant of the FAT12 file-system that has a number of limitations,

partly due to the nature of FAT12 itself, and partly due to optimizations made to fulfill its purpose in this

development kit.

The CURIOSITY drive is USB Chapter 9 compliant as a mass storage device, but does not in any way

fulfill the expectations of a general purpose mass storage device. This behavior is intentional.

The nEDBG enumerates as a Curiosity Nano USB device that can be found in the disk drives section of

the Windows device manager. The CURIOSITY drive appears in the file manager and claims the next

available drive letter in the system.

The CURIOSITY drive contains approximately 1MB of free space. This does not reflect the size of the

target device's flash in any way. When programming a HEX file, the binary data is encoded in ASCII with

meta data providing a large overhead, so 1MB is a trivially chosen value for disk size.

It is not possible to format the CURIOSITY drive. When programming a file to the target, the file name

may appear in the disk directory listing - this is merely the operating system's view of the directory, which

in reality has not been updated. It is not possible to read out the file contents. Removing and replugging

the kit will return the file system to its original state, but the target will still contain the application that has

been previously programmed.

To erase the target device, simply copy a text file starting with "CMD:ERASE" onto the disk.

By default the CURIOSITY drive contains several read-only files for generating icons as well as reporting

status and linking to further information:

• AUTORUN.ICO - Icon file for the Microchip logo.

• AUTORUN.INF - System file required for Windows Explorer to show the icon file.

• CLICK-ME.HTM - Redirect to the AVR-IoT WG web demo application.

• KIT-INFO.HTM - Redirect to the development board web site.

• KIT-INFO.TXT - Text file containing details about the kit firmware, name, serial number, and device.

• PUBKEY.TXT - Text file containing the public key for data encryption.

• STATUS.TXT - Text file containing the programming status of the board.

Info: When STATUS.TXT is updated by the nEDBG dynamically, the contents may be cached by the OS

and not reflect the correct status.

4.1.2.2 Configuration Words / Fuse Bytes

Fuse Bytes (AVR targets)

nEDBG does not mask any fuse bits or combinations when writing fuses. It is not possible to disable

UPDI by fuse setting on devices with a dedicated UPDI pin. For devices with a shared/configurable UPDI

pin, be sure not to select an alternate pin function for UPDI either by fuse setting in Programming mode

or by using the I/O view or memory views to modify the memory-mapped fuse values. Disabling UPDI will

AVR-IoT WG Technical Summary

Hardware User Guide

render the nEDBG unable to contact the target device — an external programmer capable of 12V UPDI

activation will be required.

4.1.3 Embedded Debugger Implementation

The AVR-IoT WG implementation of the Embedded Debugger (nEDBG) and the connections to the

ATmega4808 device is shown in the table below.

Table 4-2. nEDBG Connections

nEDBG

ATmega4808 Pin Function Shared Functionality

DBG0 UPDI Programming and

Debugging

DBG1 PF6 DGI GPIO1 SW0

DBG2 PF5 DGI GPIO0 SW1

CDC TX PF1 UART2 RX -

CDC RX PF0 UART2 TX -

4.2 Power

4.2.1 Power Source

The kit can be powered through the USB port or by a Li-Ion/LiPo battery. The kit contains one buck

converter for generating 3.3V for the debugger, target, and peripherals.

Maximum available current from the USB is limited to 500mA. The current will be shared between

charging the battery (if connected) and the target application section.

Figure 4-1. Power Supply Block Diagram

USB nEDBG

Power Source

Cut Strap

Power Consumer

Power Converter

VUSB MIC33050

(buck)

MCP73871

Li-Ion / Li-Po

Battery

Charger

Battery Charger

Battery

Connector

(JST)

VCC_P3V3

VBAT

VMUX cut-strap

Peripherals

mBUS

WINC1510

ATmega4808

cut-strap

4.2.2 Battery Charger

AVR-IoT WG features a MCP73871 Li-Ion/LiPo charger and JST battery connector on board. The charger

is configured to limit the charge current to 100mA to prevent overcharging of small capacity batteries.

Minimum recommended battery capacity is 400mAh.

AVR-IoT WG Technical Summary

Hardware User Guide

WARNING

The MCP73871 has a battery charge voltage of 4.2V. Make sure your battery has the same

charge voltage.

Table 4-3. Charger status LEDs

LEDs Function

Red (charging) The battery is being charged by USB.

Red (discharging) The battery voltage is low. Triggers if the voltage is under 3.1V.

Green Charge complete.

Red and Green Timer Fault. The 6 hour charge cycle has timed out before complete

charge.

4.2.3 Hardware Modifications

On the bottom side of the AVR-IoT WG board, there are two cut-straps as shown in the figure below.

These are intended for current measurement purposes. Do not leave these unconnected as the

microcontrollers might get powered through the I/O’s.

Figure 4-2. VCC Cut-straps

To be able to use mikroBUS Click modules that need a 5V supply, some hardware modifications are

needed. The 5V supply to the mikroBUS header is not connected by default. To enable 5V to the header,

solder in a 0-ohms resistor (0603) or a solder blob over the footprint shown in the figure below.

Figure 4-3. mikroBUS 5V footprint

4.3 Connectors

4.3.1 mikroBUS Socket

AVR-IoT WG features a mikroBUS Socket footprint for expanding functionality of the development kit

using MikroElektronika Click Boards and other mikroBUS add-on boards. The footprint is not populated,

so it is necessary to solder two 1x8 2.54mm pitch female headers to the kit to use the add-on boards.

AVR-IoT WG Technical Summary

Hardware User Guide

Table 4-4. mikroBUS Socket Pinout

mikroBUS Socket Pin ATmega4808 Pin Function Shared Functionality

AN PD7 ADC AIN7 -

RST PA0 GPIO -

CS PC3 GPIO -

SCK PA6 SPI0 SCK WINC1510 SPI

MISO PA5 SPI0 MISO WINC1510 SPI

MOSI PA4 SPI0 MOSI WINC1510 SPI

+3.3V VDD VCC_TARGET, 3.3V

supply

GND GND Ground

PWM PD4 TCA0 WO4 -

INT PD6 GPIO -

RX PC1 UART1 RX -

TX PC0 UART1 TX -

SCL PA3 TWI0 SCL MCP9808 and

ATECC608A

SDA PA2 TWI0 SDA MCP9808 and

ATECC608A

+5V VCC_MUX1, MCP73871

output

GND GND

Info:

1) A 0-ohm resistor has to be soldered to connect the VCC_MUX pin to the mikroBUS socket.

The pin is not supplied by default to prevent 5V from being connected to any I/O-pins by

mistake. For more information see 4.2.3 Hardware Modifications.

4.4 Peripherals

4.4.1 WINC1510 Wi-Fi Module

Microchip's WINC1510 is a low-power consumption 802.11 b/g/n IoT module, specifically optimized for

low-power IoT applications. The module integrates Power Amplifier (PA), Low-Noise Amplifier (LNA),

switch, power management, and a printed antenna or a micro co-ax (u.FL) connector for an external

antenna resulting in a small form factor (21.7 x 14.7 x 2.1 mm) design. It is interoperable with various

vendors’ 802.11 b/g/n access points. This module provides SPI ports to interface with a host controller.

AVR-IoT WG Technical Summary

Hardware User Guide

The WINC1510 provides internal Flash memory as well as multiple peripheral interfaces including UART

and SPI. The only external clock source needed for the WINC1510 is the built-in, high-speed crystal or

oscillator (26 MHz). The WINC1510 is available in a QFN package or as a certified module.

The communication interface between the ATmega4808 and the WINC1510 Wi-Fi module is SPI,

together with some enable signals and interrupt. The rest of the connections are left unconnected.

Table 4-5. WINC1510 Connections

WIN1510 Pin ATmega4808 Pin Function Shared Functionality

4 RESET_N PA1 GPIO

9 GND GND

10 SPI_CFG VCC_TARGET -

11 WAKE PF4 GPIO -

12 GND GND

13 IRQN PF2 ASYNC EXT INT -

15 SPI_MOSI PA4 SPI0 MOSI mikroBUS

16 SPI_SSN PA7 SPI0 SS

17 SPI_MISO PA5 SPI0 MISO mikroBUS

18 SPI_SCK PA6 SPI0 SCK mikroBUS

20 VBAT VCC_TARGET

22 CHIP_EN PF3 GPIO

23 VDDIO VCC_TARGET

28 GND GND

29 PADDLE GND

4.4.2 ATECC608A

The ATECC608A is a secure element from the Microchip CryptoAuthentication portfolio with advanced

Elliptic Curve Cryptography (ECC) capabilities. With ECDH and ECDSA being built right in, this device is

ideal for the rapidly growing IoT market by easily supplying the full range of security such as

confidentiality, data integrity, and authentication to systems with MCU or MPUs running encryption/

decryption algorithms. Similar to all Microchip CryptoAuthentication products, the new ATECC608A

employs ultra-secure, hardware-based cryptographic key storage and cryptographic countermeasures

that eliminate any potential backdoors linked to software weaknesses.

The ATECC608A CryptoAuthentication device on the AVR-IoT WG kit is used for storing the private and

public key for use with the secure IoT communication.

Note: 7-bit I2C address: 0x58

AVR-IoT WG Technical Summary

Hardware User Guide

H |

Table 4-6. ATECC608A Connections

ATECC608A

ATmega4808

Function Shared Functionality

SDA PA2 TWI0 SDA MCP9808 and mikroBUS

SCL PA3 TWI0 SCL MCP9808 and mikroBUS

4.4.3 Temperature Sensor

The MCP9808 digital temperature sensor converts temperatures between -20°C and +100°C to a digital

word with ±0.25°C/±0.5°C (typical/maximum) accuracy.

Additional Features:

• Accuracy:

– ±0.25°C (typical) from -40°C to +125°C

– ±0.5°C (maximum) from -20°C to +100°C

• User Selectable Measurement Resolution: 0.5°C, 0.25°C, 0.125°C, 0.0625°C

• User Programmable Temperature Limits:

– Temperature Window Limit

– Critical Temperature Limit

• User Programmable Temperature Alert Output

• Operating Voltage Range: 2.7V to 5.5V

• Operating Current: 200 μA (typical)

• Shutdown Current: 0.1 μA (typical)

The MCP9808 temperature sensor is connected to the ATmega4808 through I2C and a GPIO for the user

configurable alert output.

Note: 7-bit I2C address: 0x18

Table 4-7. MCP9808

MCP9808 Pin ATmega4808

Function Shared Functionality

SDA PA2 TWI0 SDA ATECC608A and mikroBUS

SCL PA3 TWI0 SCL ATECC608A and mikroBUS

ALERT PC2 ASYNC External Interrupt -

4.4.4 Light Sensor

A TEMT6000X01 light sensor is mounted on the AVR-IoT WG kit for measuring the light intensity. The

sensor is a current source that will induce a voltage across the series resistor, which in turn can be

measured by the ATmega4808 ADC. The current is exponentially relative to illuminance, from about

10uA@20lx to 50uA@100lx. The series resistor has a value of 10kΩ.

Table 4-8. Light Sensor Connection

ATmega4808 Pin Function Shared Functionality

PD5 ADC AIN5 -

AVR-IoT WG Technical Summary

Hardware User Guide

4.4.5 LED

There are four LED’s available on the AVR-IoT WG board that can be controlled with PWM or GPIO. The

LED’s can be activated by driving the connected I/O line to GND.

Table 4-9. LED Connections

ATmega4808 Pin Function Description

PD0 TCA0 WO0 Red LED

PD1 TCA0 WO1 Yellow LED

PD2 TCA0 WO2 Green LED

PD3 TCA0 WO3 Blue LED

4.4.6 Mechanical Buttons

AVR-IoT WG contains two mechanical buttons. These are generic user configurable buttons. When a

button is pressed it will drive the I/O line to GND.

Info: There are no pull-up resistors connected to the generic user buttons. Remember to

enable the internal pull-up in the ATmega4808 to use the buttons.

Table 4-10. Mechanical Button

ATmega4808 Pin Description Shared Functionality

PF6 User switch 0 (SW0) EDBG DGI GPIO0

PF5 User switch 1 (SW1) EDBG DGI GPIO1

AVR-IoT WG Technical Summary

Hardware User Guide

znan (— I} 00000000 00000000 9—)]? 11mm 7 J

5. Mechanical Drawings

The figures below shows the board mechanical drawing and connector placement.

Figure 5-1. Mechanical Drawing

100mil

1000mil

100mil

600mil 200mil

100mil

800mil

200mil

2500mil

100mil

R 1,20mm x 2

R 100mil x 4

16,46mm

R 1,60mm x 4

Figure 5-2. Connector Placement

800mil

500mil

USB

900mil

8,93mm

100mil

LIPO

BATTERY

AVR-IoT WG Technical Summary

Mechanical Drawings

6. Regulatory Approval

The AVR-IoT WG development board has been tested in accordance with the following standards:

Emission:

• FCC Part 15 subpart B:2018 (Class B)

• EN55032:2015 (Class B)

Immunity:

• EN55024:2010+A1:2015

• EN61000-4-2:2009 (contact: level 2 (±4kV), air: level3 (±8kV))

• EN61000-4-3:2006+A2:2010 (80 - 1000 MHz, level 2 (3V/M))

• EN61000-4-8:2010 (level 2 (3A/m), continuous field)

The development board contains the wireless transmitter module ATWINC1510-MR210PB, which has the

following approval and/or registrations:

• United States/FCC ID: 2ADHKATWINC1510

• Canada

– IC: 20266-ATWINC1510

– HVIN: ATWINC1510-MR210PB

– PMN: ATWINC1510-MR210PB

• Europe - CE

• Japan/MIC: 005-101762

• Korea/KCC: R-CRM-mcp-WINC1510MR210P

• Taiwan/NCC: CCAN18LP0320T0

• China/SRRC: CMIIT ID: 2018DJ1310

6.1 United States

Contains Transmitter Module FCC ID: 2ADHKATWINC1510

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant

to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates, uses and can radiate radio frequency

energy, and if not installed and used in accordance with the instructions, may cause harmful interference

to radio communications. However, there is no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference to radio or television reception, which can

be determined by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment and receiver

• Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected

• Consult the dealer or an experienced radio/TV technician for help

AVR-IoT WG Technical Summary

Regulatory Approval

6.2 Canada

Contains IC: 20266-ATWINC1510

This device complies with Industry Canada's license exempt RSS standard(s). Operation is subject to the

following two conditions:

(1) This device may not cause interference, and

(2) This device must accept any interference, including interference that may cause undesired operation

of the device.

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts

de licence. L'exploitation est autorisée aux deux conditions suivantes:

(1) l'appareil ne doit pas produire de brouillage, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est

susceptible d'en compromettre le fonctionnement.

Guidelines on Transmitter Antenna for License Exempt Radio Apparatus:

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type

and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio

interference to other users, the antenna type and its gain should be so chosen that the equivalent

isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.

Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec

une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada.

Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut

choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne

dépasse pas l'intensité nécessaire à l'établisse-ment d'une communication satisfaisante.

6.3 Taiwan

Contains module: CCAN18LP0320T0

注意 !

依據低功率電波輻射性電機管理辦法

第十二條經型式認證合格之低功率射頻電機，非經許可，公司、商號或使用者均不得擅自變更頻率、加

大功率或變更原設計之特性及功能。

第十四條低功率射頻電機之使用不得影響飛航安全及干擾合法通信；經發現有干擾現象時，應立即停

用，並改善至無干擾時方得繼續使用。

前項合法通信，指依電信規定作業之無線電信。

低功率射頻電機須忍受合法通信或工業、科學及醫療用電波輻射性電機設備之干擾。

6.4 List of Antenna Types

ATWINC1510-MR210 does not allow use of external antennas, and is tested with the PCB antenna on

the module.

AVR-IoT WG Technical Summary

Regulatory Approval

7. 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.

7.1 Identifying Product ID and Revision

The revision and product identifier of Curiosity Nano boards can be found in two ways; either through

Atmel Studio/MPLAB X or by looking at the sticker on the bottom side of the PCB.

By connecting a Curiosity Nano board to a computer with Atmel Studio/MPLAB X 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.

Boards with limited space have a sticker with only a QR-code, which contains a serial number string.

The serial number string has the following format:

"nnnnrrssssssssss"

n = product identifier

r = revision

s = serial number

The product identifier for AVR-IoT WG is A09-3203.

7.2 Revision 8

The Wi-Fi module WINC1510 order code used on revision 8 is ATWINC1510-MR210PB1961 (firmware

19.6.1).

7.3 Revision 7

Revision 7 is the initial revision available on microchipDIRECT.

The Wi-Fi module WINC1510 order code used on revision 7 is ATWINC1510-MR210PB1952 (firmware

19.5.2). The firmware was upgraded to version 19.6.1 in production.

7.4 Revision 6

Revision 6 is the early adopter revision. It does not have the MCP73871 Li-Ion/LiPo charger or battery

connector components mounted, and can only be powered through USB.

The Wi-Fi module WINC1510 order code used on revision 6 is ATWINC1510-MR210PB1952 (firmware

19.5.2). The firmware was upgraded to version 19.6.1 in production.

Related Links

4.2.2 Battery Charger

AVR-IoT WG Technical Summary

Hardware Revision History

8. Document Revision History

Doc. rev. Date Comment

A 010/2018 Initial document release.

AVR-IoT WG Technical Summary

Document Revision History

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

Microchip Devices Code Protection Feature

Note the following details of the code protection feature on Microchip devices:

• Microchip products meet the specification contained in their particular Microchip Data Sheet.

• Microchip believes that its family of products is one of the most secure families of its kind on the

market today, when used in the intended manner and under normal conditions.

• There are dishonest and possibly illegal methods used to breach the code protection feature. All of

these methods, to our knowledge, require using the Microchip products in a manner outside the

operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is

engaged in theft of intellectual property.

• Microchip is willing to work with the customer who is concerned about the integrity of their code.

AVR-IoT WG Technical Summary

• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their

code. Code protection does not mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the

code protection features of our products. Attempts to break Microchip’s code protection feature may be a

violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software

or other copyrighted work, you may have a right to sue for relief under that Act.

Legal Notice

Information contained in this publication regarding device applications and the like is provided only for

your convenience and may be superseded by updates. It is your responsibility to ensure that your

application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR

WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY

OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS

CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE.

Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life

support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend,

indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting

from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual

property rights unless otherwise stated.

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.

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.

AVR-IoT WG Technical Summary

ISBN: 978-1-5224-3575-4

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ISO/TS 16949

Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer

fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California

and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC®

DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and

analog products. In addition, Microchip’s quality system for the design and manufacture of development

systems is ISO 9001:2000 certified.

AVR-IoT WG Technical Summary

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