Texas Instruments CC3220 Manuel utilisateur

SWRU463B–February 2017–Revised August 2018

CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

User's Guide

SWRU463B–February 2017–Revised August 2018

CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development

Kit Hardware

The CC3220 device is part of the SimpleLink™ microcontroller (MCU) platform which consists of Wi-Fi®,

Bluetooth®low energy, Sub-1 GHz and host MCUs. All share a common, easy-to-use development

environment with a single core software development kit (SDK) and rich tool set. A one-time integration of

the SimpleLink platform lets you add any combination of devices from the portfolio into your design. The

ultimate goal of the SimpleLink platform is to achieve 100 percent code reuse when your design

requirements change. For more information, visit www.ti.com/simplelink.

The CC3220 SimpleLink LaunchPad™ Development Kit (CC3220-LAUNCHXL) is a low-cost evaluation

platform for ARM®Cortex®-M4-based MCUs. The LaunchPad design highlights the CC3220 Internet-on-a

chip™ solution and Wi-Fi capabilities. The CC3220 LaunchPad also features temperature and

accelerometer sensors, programmable user buttons, three LEDs for custom applications, and onboard

emulation for debugging. The stackable headers of the CC3220 LaunchPad XL interface demonstrate how

easy it is to expand the functionality of the LaunchPad when interfacing with other peripherals on many

existing BoosterPack™ Plug-in Module add-on boards, such as graphical displays, audio codecs, antenna

selection, environmental sensing, and more.

Figure 1 shows the CC3220 LaunchPad development kit.

Figure 1. CC3220 SimpleLink Wi-Fi LaunchPad Development Kit

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CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

Contents

1 Introduction ................................................................................................................... 3

2 Hardware Description ....................................................................................................... 6

3 Development Environment Requirements .............................................................................. 26

4 Additional Resources ...................................................................................................... 26

List of Figures

1 CC3220 SimpleLink Wi-Fi LaunchPad Development Kit .............................................................. 1

2 WEEE Statement ............................................................................................................ 3

3 CC3220 LaunchPad™ EVM Overview ................................................................................... 6

4 CC3220 Block Diagram..................................................................................................... 7

5 Pin 1 Marking on CC3220LP (3V3 Tag).................................................................................. 8

6 XDS-110 Debug Probe ..................................................................................................... 9

7 Default Jumper Configuration for JTAG Lines........................................................................... 9

8 JTAG IN Connector (J8)................................................................................................... 10

9 XDS110 OUT Connector (J4) ............................................................................................ 11

10 I2C Bus Connections....................................................................................................... 12

11 Power Jumpers J14, J21, J20, J19, J17, and J18..................................................................... 13

12 SOP Jumpers (Default Setting Shown) ................................................................................. 15

13 UART Routed to USB COM Port......................................................................................... 16

14 UART Routed to 20-Pin Header Connector ............................................................................ 16

15 CC3220 BoosterPack Header Pin Assignments....................................................................... 18

16 Powering From USB Jumper Settings................................................................................... 19

17 Powering the CC3220LP From Battery ................................................................................. 20

18 Only CC3220 and Serial Flash Powered by Battery................................................................... 21

19 Low-Current Measurement (<1 mA)..................................................................................... 22

20 Active Power Measurements (>1 mA)................................................................................... 23

21 Using Onboard Antenna (Default Condition) ........................................................................... 24

22 Board Modified for External Antenna Connections .................................................................... 24

23 CC3220x LaunchPad Top-Layer Assembly Drawing.................................................................. 25

24 CC3220 SimpleLink™ Academy ........................................................................................ 27

List of Tables

1 JTAG Header Pin Definitions............................................................................................. 10

2 I2C Jumper Definitions..................................................................................................... 12

3 Default I2C Addresses (of Onboard Sensors) .......................................................................... 12

4 Jumper Settings for LaunchPad Power ................................................................................. 13

5 External Supply Connections and LED Enable Jumper............................................................... 14

6 Reset Pullup Jumper....................................................................................................... 14

7 SOP[2:0] (J13 on LaunchPad)............................................................................................ 15

8 Push-Button Definitions ................................................................................................... 17

9 LED Indicators.............................................................................................................. 17

Trademarks

SimpleLink, LaunchPad, Internet-on-a chip, BoosterPack, Code Composer Studio, Tiva are trademarks of

Texas Instruments.

ARM, Cortex are registered trademarks of ARM Limited.

Bluetooth is a registered trademark of Bluetooth SIG.

IAR Embedded Workbench is a registered trademark of IAR Systems AB.

Wi-Fi is a registered trademark of Wi-Fi Alliance.

All other trademarks are the property of their respective owners.

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Introduction

SWRU463B–February 2017–Revised August 2018

CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

1 Introduction

1.1 CC3220 LaunchPad™

Created for the Internet of Things (IoT), the SimpleLink Wi-Fi CC3220 device is a single-chip

microcontroller (MCU) with built-in Wi-Fi connectivity for the LaunchPad ecosystem, which integrates a

high-performance ARM Cortex-M4 MCU and lets customers develop an entire application with one device.

With on-chip Wi-Fi, Internet, and robust security protocols, no prior Wi-Fi experience is required for fast

development.

The CC3220 LaunchPad, referred to by its part number CC3220-LAUNCHXL, is a low-cost evaluation

platform for ARM Cortex-M4-based MCUs. The LaunchPad design highlights the CC3220 Internet-on-a

chip solution and Wi-Fi capabilities. The CC3220 LaunchPad also features temperature and accelerometer

sensors, programmable user buttons, three LEDs for custom applications, and onboard emulation for

debugging. The stackable headers of the CC3220 LaunchPad XL interface demonstrate how easy it is to

expand the functionality of the LaunchPad when interfacing with other peripherals on many existing

BoosterPack add-on boards, such as graphical displays, audio codecs, antenna selection, environmental

sensing, and more. Figure 3 shows the CC3220 LaunchPad. There are two variants of the LaunchPad:

the CC3220S-LAUNCHXL and the CC3220SF-LAUNCHXL. This user's guide applies to both variants, and

any differences are pointed out in relevant sections.

Multiple development environment tools are also available, including TI’s Eclipse-based Code Composer

Studio™ (CCS) integrated development environment (IDE) and IAR Embedded Workbench®. More

information about the LaunchPad, the supported BoosterPack modules, and the available resources can

be found at TI’s LaunchPad portal. Also visit the CC3220 Wiki page for design resources and example

projects.

NOTE: The maximum RF power transmitted in each WLAN 2.4-GHz band is 17.5 dBM (EIRP

power).

NOTE: The antennas used for this transmitter must be installed to provide a separation distance of

at least 20 cm from all persons, and must not be colocated or operating in conjunction with

any other antenna or transmitter.

NOTE: All figures and references in this document apply to RevA and RevB. Most of the document

also applies to higher revisions, unless otherwise stated. For the exact list of changes made

across board revisions, see the Revision History.

Figure 2. WEEE Statement

Introduction

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CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

1.2 Key Features

• CC3220S/SF, SimpleLink Wi-Fi, Internet-on-a chip solution with integrated MCU

• 40-pin LaunchPad standard that leverages the BoosterPack ecosystem

• XDS110-based JTAG emulation with serial port for flash programming

• Two buttons and three LEDs for user interaction

• Back-channel universal asynchronous receiver/transmitter (UART) through USB to PC

• Onboard chip antenna with U.FL for conducted testing

• Onboard accelerometer and temperature sensor for Out-of-Box Experience (OOBE)

• Micro USB connector for power and debug connections

1.3 What's Included

1.3.1 Kit Contents

• CC3220 LaunchPad development tool (CC3220S-LAUNCHXL or CC3220SF-LAUNCHXL)

• Micro USB cable

• Quick start guide

1.3.2 Software Examples

• Out-of-Box Software

1.4 Regulatory Compliance

The SimpleLink CC3220 Wi-Fi LaunchPad is tested for and found to be in compliance with FCC and ISED

regulations regarding unlicensed intentional radiators.

Hereby, Texas Instruments Inc. declares that the radio equipment type CC3220S-LAUNCHXL and

CC3220SF-LAUNCHXL are in compliance with Directive 2014/53/EU. The full text of the EU declaration of

conformity is available at the following internet addresses:

•CC3220S-LAUNCHXL

•CC3220SF-LAUNCHXL

1.5 First Steps: Out-of-Box Experience

An easy way to get started with the EVM is by using its preprogrammed out-of-box code. It demonstrates

some key features of the EVM.

1.5.1 Connecting to the Computer

Connect the LaunchPad development kit by connecting the included USB cable to a computer. A red

power LED should illuminate. For proper operation, the SimpleLink drivers and Service Pack from the

CC3220 Software Development Kit (SDK) are needed. The SDK is available at

www.ti.com/tool/SIMPLELINK-CC3220-SDK.

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Introduction

SWRU463B–February 2017–Revised August 2018

CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

1.5.2 Running the Out-of-Box Experience

The CC3220 LaunchPad development kit's Out-of-Box Experience (OOBE) demonstrates and highlights

the following features:

• Easy connection to the CC3220 LaunchPad:

– Using the SimpleLink Wi-Fi Starter Pro application (available on iOS and Android™), users can use

Access Point (AP) provisioning or SmartConfig™ provisioning for a fast CC3220 connection.

– Configuring the device in AP mode gives users a direct connection to the CC3220 LaunchPad.

Once the device is provisioned and connected to an AP in station mode, the profile is stored on the

local file system so that any reset to the CC3220 automatically connects it to the AP.

• Easy access to the CC3220 through its internal web server, using either:

– The SimpleLink Wi-Fi Starter Pro application

– Any browser; web pages stored on the serial flash are loaded on the browser, to provide ease of

use.

This feature demonstrates configuring and reading onboard sensors.

• Over-The-Air (OTA) updates that demonstrate an update of a full image. OTA service enables in-

system updates of the MCU application, CC3220 firmware releases (Service Pack) made available by

TI, and other vendor files. An update procedure executed in a full-system integrity fashion, such as

failure to upgrade any image components, results in rolling back to the previous valid version.

See the CC3220 LaunchPad Out-of-Box User's Guide for more details on the Out-of-Box Experience.

1.6 Next Steps: Looking into the Provided Code

After the EVM features have been explored, the user can open an integrated development environment

and start editing the code examples from the SDK. See Section 4.3 for available IDEs and where to

download them. The Out-of-Box source code and more code examples are provided in the CC3220 SDK.

Code is licensed under BSD, and TI encourages reuse and modifications to fit specific needs.

With the onboard XDS110 debug probe, debugging and downloading new code is simple. A USB

connection between the EVM and a PC through the provided USB cable is all that is needed.

Hardware Description

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CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

2 Hardware Description

Figure 3 shows the CC3220 LaunchPad EVM.

Figure 3. CC3220 LaunchPad™ EVM Overview

CC3220

S-Flash

32Mbit

40-MHz XTAL

32.768-kHz XTAL

XDS110 JTAG

Debug Probe

USB

Conn

Filter

Acceleration

Sensor

BMA222

Temp Sensor

TMP006

3.3-V LDO

2× AA Battery

Conn Reverse

Protection

5 V

VCC

Push Buttons

GPIO 13, 22 LEDs

GPIO 9,10,11

2× 20 Launchpad Headers

(Compatible with TI MCU Std)

JTAG/SWD

UART (Flashing/Log)

INT (GPIO13)

I2C

U. FL

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Hardware Description

SWRU463B–February 2017–Revised August 2018

CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

2.1 Block Diagram

Figure 4 shows the CC3220 block diagram.

Figure 4. CC3220 Block Diagram

2.2 Hardware Features

• CC3220S/SF, SimpleLink Wi-Fi, Internet-on-a chip solution with integrated MCU

• 40-pin LaunchPad standard that leverages the BoosterPack ecosystem

• TI Standard XDS110-based JTAG emulation with serial port for flash programming

• Supports both 4-wire JTAG and 2-wire SWD

• Two buttons and three LEDs for user interaction

• Back-channel universal asynchronous receiver/transmitter (UART) through USB to PC

• Onboard chip antenna with U.FL for conducted testing selectable using 0-Ωresistors

• Onboard accelerometer and temperature sensor for Out-of-Box Experience, with option to isolate them

from the inter-integrated circuit (I2C) bus

• Micro USB connector for power and debug connections

• Headers for current measurement and external JTAG connection with an option to use the onboard

XDS110 to debug customer platforms

• Bus-powered device, with no external power required for Wi-Fi

• Long-range transmission with a highly optimized antenna (200-meter typical in open air with a 6-dBi

antenna AP)

• Can be powered externally, working down to 2.3 V (typical)

Hardware Description

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CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

2.3 Connecting a BoosterPack™

A compatible BoosterPack can be stacked on top of the LaunchPad using the 2-pin × 20-pin connectors.

The connectors do not have a key to prevent the misalignment of the pins or reverse connection.

Ensure that the VCC and 5-V pins are aligned with the BoosterPack module header pins. On the CC3220

LaunchPad, a small white 3V3 tag symbol is provided near pin 1 (see Figure 5) to orient all BoosterPack

modules. This same marking, provided on compatible BoosterPack modules, must be aligned before

powering up the boards.

Figure 5. Pin 1 Marking on CC3220LP (3V3 Tag)

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Hardware Description

SWRU463B–February 2017–Revised August 2018

CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

2.4 XDS110-Based JTAG Emulator

To keep development easy and cost effective, TI's LaunchPad development kits integrate an onboard

debug probe, which eliminates the need for expensive programmers. The CC3220 LaunchPad has the

XDS-110-based debug probe (see Figure 6), which is a simple and low-cost debugger that supports

nearly all TI Arm device derivatives.

Figure 6. XDS-110 Debug Probe

2.5 Wired Connections, Jumper Settings, Buttons, and LEDs

2.5.1 JTAG Headers

The headers are provided on the board to isolate the CC3220 device from the onboard XDS110-based

JTAG emulator. These jumpers are shorted by default when the board is shipped from TI. Figure 7 and

Table 1 are for default configurations, and Figure 8 shows the external emulator connection.

Figure 7. Default Jumper Configuration for JTAG Lines

Hardware Description

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CC3220 SimpleLink™ Wi-Fi®LaunchPad™ Development Kit Hardware

(1) The only difference between Rev. A and Rev. B are the reference designators on the board.

(2) For SWD mode, the TCK and TMS headers must be shorted.

Table 1. JTAG Header Pin Definitions

Reference (Rev. A) Reference (Rev. B)(1) Use Comments

J3 (TCK)(2) J8 (TCK) JTAG / SWD

Jumpers populated: onboard emulator connected

Jumpers not populated: onboard emulator disconnected

J3 (TMS)(2) J8 (TMS) JTAG / SWD

J3 (TDI) J8 (TDI) JTAG

J3(TDO) J8 (TDO) JTAG

To connect an external emulator, remove these jumpers and place the external emulator on the JTAG IN

connector.

Figure 8. JTAG IN Connector (J8)

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