Texas Instruments SimpleLink CC3200 Wi-Fi Manuale utente

CC3200 SimpleLink™ Wi-Fi®and Internet of

Things Solution With MCU LaunchPad™

Hardware

User's Guide

Literature Number: SWRU372C

June 2014–Revised March 2020

2SWRU372C–June 2014–Revised March 2020

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Table of Contents

Contents

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

1.1 CC3200 LaunchPad Development Kit................................................................................. 4

1.2 Key Features ............................................................................................................. 4

1.3 What's Included .......................................................................................................... 5

1.4 FCC/IC Regulatory Compliance........................................................................................ 5

1.5 Trademarks ............................................................................................................... 5

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

2.1 Block Diagram ........................................................................................................... 6

2.2 Hardware Features....................................................................................................... 7

2.3 Connecting a BoosterPack Plug-in Module........................................................................... 7

2.4 Jumpers, Switches, and LEDs ......................................................................................... 8

2.5 Power..................................................................................................................... 14

2.6 Measure CC3200 Current Draw...................................................................................... 16

2.7 RF Connections......................................................................................................... 17

2.8 Design Files ............................................................................................................. 18

3 Software Examples............................................................................................................. 19

3.1 Development Environment Requirements........................................................................... 19

4 Additional Resources.......................................................................................................... 19

4.1 LaunchPad Kit Wiki..................................................................................................... 19

4.2 Information on the CC3200............................................................................................ 19

4.3 Download a Development Environment ............................................................................. 19

4.4 The CC3200 Code Examples......................................................................................... 19

4.5 CC3200 Application Notes ............................................................................................ 19

4.6 Support Resources..................................................................................................... 20

5 Known Limitations.............................................................................................................. 20

5.1 Hardware Limitations................................................................................................... 20

Revision History.......................................................................................................................... 21

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SWRU372C–June 2014–Revised March 2020

List of Figures

1 CC3200 LaunchPad Development Kit Overview ........................................................................ 6

2 CC3200 Block Diagram..................................................................................................... 6

3 Pn-1 Marking on the LaunchPad Kit (White Triangle) .................................................................. 7

4 JTAG Headers ............................................................................................................... 8

5 I2C Connections.............................................................................................................. 8

6 UART Signals............................................................................................................... 10

7 SOP Jumpers............................................................................................................... 10

8 2x20 Pin Connector........................................................................................................ 14

9 Powering From USB....................................................................................................... 15

10 Battery Power............................................................................................................... 15

11 Measuring Low Power..................................................................................................... 16

12 Measuring Active Power................................................................................................... 16

13 Radiated Testing Using Chip Antenna .................................................................................. 17

14 Board Set for Conducted Testing ........................................................................................ 17

List of Tables

1 JTAG Headers ............................................................................................................... 8

2 Jumper Settings.............................................................................................................. 9

3 Default I2C Addresses....................................................................................................... 9

4 Jumper Settings.............................................................................................................. 9

5 UART Signals............................................................................................................... 10

6 SOP Lines................................................................................................................... 10

7 Miscellaneous Settings .................................................................................................... 11

8 Push Buttons................................................................................................................ 12

9 LEDs ......................................................................................................................... 13

10 Change Log................................................................................................................. 18

4SWRU372C–June 2014–Revised March 2020

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CC3200 SimpleLink™ Wi-Fi®and Internet of Things Solution With MCU

LaunchPad™ Hardware

User's Guide

SWRU372C–June 2014–Revised March 2020

CC3200 SimpleLink™ Wi-Fi®and Internet of Things

Solution With MCU LaunchPad™ Hardware

1 Introduction

1.1 CC3200 LaunchPad Development Kit

The high-performance CC3200 is the industry's first single-chip microcontroller (MCU) with built-in Wi-Fi®

connectivity for the LaunchPad™ ecosystem. Created for the Internet of Things (IoT), the SimpleLink Wi-

Fi CC3200 device is a wireless MCU that integrates a high-performance Arm®Cortex®-M4 MCU allowing

customers to develop an entire application with a single IC. With on-chip Wi-Fi, internet, and robust

security protocols, no prior Wi-Fi experience is needed for faster development.

The CC3200 LaunchPad development kit is a low-cost evaluation platform for Arm Cortex-M4F-based

microcontrollers. The LaunchPad kit design highlights the CC3200 Internet-on-a-chip™ solution and Wi-Fi

capabilities. The CC3200 LaunchPad kit also features programmable user buttons, RGB LED for custom

applications, and onboard emulation for debugging. The stackable headers of the CC3200 LaunchPad XL

interface demonstrate how easy it is to expand the functionality of the LaunchPad kit when interfacing with

other peripherals on many existing BoosterPack™ plug-in modules, such as graphical displays, audio

codecs, antenna selection, environmental sensing, and more. Figure 1 shows a photo of the CC3200

LaunchPad kit.

Free software development tools are also available, including TI’s Eclipse-based Code Composer

Studio™ and IAR Embedded Workbench®. More information about the LaunchPad kit, the supported

BoosterPack modules, and the available resources can be found at TI’s LaunchPad portal. Also visit the

CC3200 Wiki page for design resources and example projects.

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 co-located or operating in conjunction with

any other antenna or transmitter.

NOTE: All figures and references in this document apply to the Rev3.2. Most of the document also

applies to the Rev4.1, unless otherwise stated. For the exact list of changes made across

board revisions, refer to Section 2.8.2.

1.2 Key Features

• CC3200, SimpleLink Wi-Fi, Internet-on-a-chip solution with integrated MCU

• 40-pin LaunchPad standard that leverages the BoosterPack ecosystem

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

• Two buttons and three LEDs for user interaction

• Backchannel universal asynchronous receiver/transmitter (UART) through USB to PC

• On-board chip antenna with U.FL for conducted testing

• On-board accelerometer and temperature sensor for out-of-box demo

• Micro USB connector for power and debug connections

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Introduction

SWRU372C–June 2014–Revised March 2020

CC3200 SimpleLink™ Wi-Fi®and Internet of Things Solution With MCU

LaunchPad™ Hardware

1.3 What's Included

1.3.1 Kit Contents

• CC3200 LaunchPad development kit

• Micro USB cable

• Quick start guide

1.4 FCC/IC Regulatory Compliance

The CC3200 SimpleLink Wi-Fi and IoT solution with MCU LaunchPad kit hardware is FCC Part 15 and IC

ICES-003 Class A compliant.

1.5 Trademarks

LaunchPad, Internet-on-a-chip, BoosterPack, Code Composer Studio, E2E are trademarks of Texas

Instruments.

Arm, Cortex are registered trademarks of Arm Limited.

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.

Hardware Description

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CC3200 SimpleLink™ Wi-Fi®and Internet of Things Solution With MCU

LaunchPad™ Hardware

2 Hardware Description

Figure 1. CC3200 LaunchPad Development Kit Overview

2.1 Block Diagram

Figure 2. CC3200 Block Diagram

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Hardware Description

SWRU372C–June 2014–Revised March 2020

CC3200 SimpleLink™ Wi-Fi®and Internet of Things Solution With MCU

LaunchPad™ Hardware

2.2 Hardware Features

• CC3200, SimpleLink Wi-Fi, Internet-on-a-chip solution with integrated MCU

• 40-pin LaunchPad standard that leverages the BoosterPack ecosystem

• FTDI-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

• Virtual COM port UART through USB on PC

• On-board chip antenna with U.FL for conducted testing

• On-board accelerometer and temperature sensor for out-of-box demo, 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

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

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

AP)

• Can be powered externally, with 2xAA or 2xAAA alkaline batteries working down to 2.3 V typical

2.3 Connecting a BoosterPack Plug-in Module

A compatible BoosterPack module can be stacked on top of the LaunchPad kit using the 2x20 pin

connectors. Note that the connectors do not have a key to prevent the misalignment of the pins or reverse

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

CC3200 LaunchPad kit, a small white triangle symbol is provided near Pin-1 (see Figure 3) to orient all

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

aligned before powering up the boards.

Figure 3. Pn-1 Marking on the LaunchPad Kit (White Triangle)

Hardware Description

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CC3200 SimpleLink™ Wi-Fi®and Internet of Things Solution With MCU

LaunchPad™ Hardware

2.4 Jumpers, Switches, and LEDs

2.4.1 JTAG Headers

The headers are provided on the board to isolate the CC3200 device from the mounted FTDI JTAG

emulator. These jumpers are shorted by default when the board is shipped from TI. To connect an

external emulator, remove these jumpers and place the external emulator on the pins closer to the

CC3200 device. When a battery is used, disconnect all the JTAG headers to prevent any reverse leakage

current.

Figure 4. JTAG Headers

(1) For the SWD mode, only TCK and TMS must be shorted to the CC3200.

Table 1. JTAG Headers

Reference Usage Comments

J8 (TCK) (1) JTAG Short: Routes the on-board emulator to the CC3200

J9 (TMS) (1)

J10 (TDI) Open: Isolate the on-board emulator from the CC3200.

J11(TDO)

2.4.2 I2C Connections

The board features an accelerometer and a temperature sensor for the out-of-box demo. These are

connected to the I2C bus and can be isolated using the jumpers provided. By removing J2 and J3, the

accelerometer and the temperature sensors are isolated from the I2C bus. This also removes any pullup

resistor from the I2C bus.

Figure 5. I2C Connections

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Hardware Description

SWRU372C–June 2014–Revised March 2020

CC3200 SimpleLink™ Wi-Fi®and Internet of Things Solution With MCU

LaunchPad™ Hardware

2.4.2.1 Jumper Settings

Table 2. Jumper Settings

Reference Usage Comments

J2 I2C SDA Short: Connect the CC3200 I2C bus to the on-board sensors with pullup

Open: Isolate the sensors from the CC3200

J3 I2C SCL Short: Connect the CC3200 I2C bus to the on-board sensors with pullup

Open: Isolate the sensors from the CC320

J4 INT Short: Connect the accelerometer interrupt to the CC3200 on GPIO13

2.4.2.2 Default I2C Address

(1) U6 is DNP on newer CC3200-LAUNCHXL builds.

Table 3. Default I2C Addresses

Sensor Type Ref Part Number Slave Address

Temp sensor U6(1) TMP008 0x41

Accelerometer U10 BMA222 0x18

2.4.3 Power Connections

The board can be powered by using the on-board micro USB connector. An on-board LDO provides 3.3 V

for the CC3200 and the rest of the board to operate. This supply can be isolated from the LDO using the

jumpers on the board.

Table 4. Jumper Settings

Reference Usage Comments

J12 Current

measurement Measures the current flowing into the CC3200 device.

J13 Board power Short: Supply the board power from the on-board LDO.

Open: Supply the board power from the J20 (battery connector)

J19 5-V power 5-V output from the USB VBUS (has a diode drop of up to 0.4 V)

J20 3.3-V power input Can be used to power the board from an external 2xAA battery pack. It has in-built reverse

voltage protection to prevent the battery from being plugged in the reverse manner.

UART for Flashing Mode UART for BoosterPack

Hardware Description

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CC3200 SimpleLink™ Wi-Fi®and Internet of Things Solution With MCU

LaunchPad™ Hardware

2.4.4 UART Signals

The board supports a USB-based virtual COM port, which is used on the FTDI device FT2232D. There

are two ports on the FT2232: the first port is dedicated for the emulation (JTAG/SWD) and the second port

is used for the virtual COM port. The UART can also be routed to the 20-pin connector and the selection

is performed using jumpers on the board.

Figure 6. UART Signals

Table 5. UART Signals

Reference Usage Comments

J6, J7 UART for flash

programming Short 1-2: Route the signals to the 20-pin connector.

Short 2-3: Route the signals to the FTDI for flash programming.

2.4.5 Sense on Power

The CC3200 can be set to operate in three different modes based on the state of the sense-on-power

(SOP) lines. These are pins 21, 34, and 35 on the CC3200 device. The state of the device is described in

Table 6.

Table 6. SOP Lines

Usage Comments

SOP[2:0] 100 = Flash programming

000 = Functional mode + 4-Wire JTAG

001 = Functional mode + 2-Wire JTAG

SOP[2:0] corresponds to J15, J16, and J17 in the LaunchPad kit schematic design.

Figure 7. SOP Jumpers

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