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Texas Instruments CC3200 SimpleLink™ Wi-Fi® SensorTag Product Specification User guides
Product Specification
SWRU514 – February 2017
SimpleLink™ Wi-Fi® SensorTag
The SimpleLink™ Wi-Fi® SensorTag from Texas Instruments™ (model CC3200SensorTag) provides a
demo platform for showcasing the capabilities of the CC3200 device. With this easy-to-use platform,
environmental sensing and other Internet of Things (IoT) applications can be done with ease.
The CC3200 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.
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Contents
Introduction ...................................................................................................................
1.1
CC3200 SensorTag ................................................................................................
1.2
Key Features ........................................................................................................
Hardware Description .......................................................................................................
2.1
Block Diagram .......................................................................................................
2.2
Hardware Features ................................................................................................
2.3
RF Function and Frequency Range ..............................................................................
2.4
Sensors and Peripherals ...........................................................................................
Design Files ..................................................................................................................
3.1
Hardware.............................................................................................................
PCB Revision.................................................................................................................
References ...................................................................................................................
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Trademarks
Texas Instruments, SimpleLink, Internet-on-a chip are trademarks of Texas Instruments.
ARM, Cortex are registered trademarks of ARM Limited.
Bluetooth is a registered trademark of Bluetooth SIG, Inc.
Wi-Fi is a registered trademark of Wi-Fi Alliance.
All other trademarks are the property of their respective owners.
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1
Introduction
1
Introduction
1.1
CC3200 SensorTag
www.ti.com
The high-performance CC3200 device is the industry's first single-chip microcontroller (MCU) with built-in
Wi-Fi connectivity for easy system application. 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 that
allows customers to develop an entire application with a single device. With on-chip Wi-Fi, internet, and
robust security protocols, no prior Wi-Fi experience is needed for fast development.
The CC3200 SensorTag is a low-cost IoT demo platform for ARM® Cortex®-M4F-based microcontrollers.
The SensorTag design highlights the CC3200 Internet-on-a chip™ solution and Wi-Fi capabilities. The
CC3200 SensorTag features programmable user buttons, LEDs, reed relay, digital microphone, and a
buzzer for user interaction. Onboard sensors, gyroscope, accelerometer, and compass allow for easy
environmental sensing and IoT applications. shows the CC3200 SensorTag.
1.2
Key Features
The key features of the CC3200 SimpleLink Wi-Fi and IoT SensorTag are as follows:
• CC3200, SimpleLink Wi-Fi, Internet-on-a chip solution with integrated MCU
• Onboard inverted-F antenna with RF connector for conducted testing
• Two buttons, two LEDs, reed relay, digital microphone, and a buzzer for user interaction
• Sensors, gyroscope, accelerometer, and compass for easy integration in IoT application
• Debug and JTAG interface for flash programing
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Hardware Description
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Hardware Description
2.1
Block Diagram
Figure 1 shows a block diagram of the CC3200 SensorTag.
Antenna
Murata
Connector
Filter
Crystals
40 Mhz
32.768 Khz
S-Flash
W25X80
Buzzer
DevPack
Interface
CC3200
LEDs
JTAG
Interface
Push Buttons
AAA
Batteries
Reed Relay
MK24
Microphone
SPK0833
Light Sensor
OPT3001
Humidity
Sensor
HDC1000
Gyroscope, Accelerometer, and
Compass
MPU-9250
IR Temp
Sensor
TMP007
Pressure
Sensor
BMP280
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Figure 1. CC3200 SensorTag Block Diagram
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Hardware Description
2.2
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Hardware Features
The hardware features of the CC3200 SensorTag are as follows:
• CC3200, SimpleLink Wi-Fi, internet-on-a chip solution with integrated MCU
• 20-pin DevPack SKIN connector and 10-pin JTAG connector
• Onboard inverted-F antenna with RF connector for conducted testing
• Two buttons, two LEDs, a reed relay, a digital microphone, and a buzzer for user interaction
• Gyroscope, accelerometer, and compass for easy integration in IoT application
• Debug and JTAG interface for flash programing
• AAA battery connector interface
• Infrared Thermopile Sensor, Pressure Sensor, Humidity Sensor, and Light Sensor
• Onboard 1-MB serial flash memory
2.3
RF Function and Frequency Range
The CC3200 SensorTag device is designed to operate in the WLAN 2.4-GHz band. The CC3200
SensorTag device also supports Channels 1 through 11 (2142 MHz to 2462 MHz). The SensorTag design
uses the SimpleLink Wi-Fi CC3200 Internet-on-a chip device (see CC3200 SimpleLink™ Wi-Fi® and IoT
SensorTag Design Files).
NOTE: The maximum RF power transmitted in each WLAN 2.4-GHz band is 16.5 dBm (EIRP
power).
2.4
2.4.1
Sensors and Peripherals
Reed Relay
The MK24-A reed relay is good for low-power operations (see [1]). The reed relay is suitable for IoT
applications with a contact resistance of 350 MΩ, a maximum operating time of 0.25 ms, and a release
time of 0.15 ms.
2.4.2
Digital Microphone
The SPH0641LU4H device is suitable for a varying range of applications; it provides a means for sensing
sounds (see [2]). The SPH0641LU4H is a low-power microphone with high performance and good RF
immunity. The microphone can be operated in the five modes that follow:
• Powered down mode, VDO = 0 V
• Sleep mode, VDO ranges from 3.6 V to 1.62 V
fCLOCK ≤ 250 kHz
• Low-power mode, VDO ranges from 3.6 V to 1.62 V
351 kHz ≤ fCLOCK ≤ 815 kHz
• Ultrasonic mode, VDO ranges from 3.6 V to 1.62 V
3.072 MHz ≤ fCLOCK ≤ 4.8 MHz
• Standard performance mode, VDO ranges from 3.6 V to 1.62 V
1.024 MHz ≤ fCLOCK ≤ 2.475 MHz
2.4.3
Buzzer
The HCS0503B device can be used as an alarm (see [3]). Some of the specifications follow:
• Rated voltage of 3 V
• Output S.P.L ≥ 80 dB
• Coil resistance of 12 Ω ±3
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Hardware Description
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•
2.4.4
Rated frequency of 4000 Hz
Gyroscope, Accelerometer, and Compass
The MPU-9250 device is a multichip module consisting of a 3-axis gyroscope, a 3-axis accelerometer, and
a 3-axis magnetometer for position tracking (see [4]). The MPU-9250 features three 16-bit ADCs each for
the gyroscope, accelerometer, and magnetometer. Some other features of the MPU-9250 are as follows:
• High-precision clock
• Precision tracking of fast and slow motions
• VDD operating range of 2.4 V to 3.6 V
• I2C and SPI serial communication interface
2.4.5
Infrared Thermopile Sensor
The TMP007 device is a fully-integrated microelectromechanical system (MEMS) thermopile sensor that
measures the temperature of an object without direct contact (see [5]). The thermopile absorbs passive
infrared energy from an object at wavelengths of 4 µm to 16 µm within the end-user defined field of view.
Some other features are as follows:
• 14-bit local temperature sensor for cold junction reference
• Two-wire serial interface options
• Low power
2.4.6
Pressure Sensor
The BMP280 device is a digital pressure sensor for measuring barometric pressure conditions (see [6]).
The BMP280 can also be used to determine altitude. Some other features of the sensor include the
following:
• Wide pressure range of 300 hPa to 1100 hPa
• High accuracy
• Low current consumption of 2.7 µA @ 1 Hz sampling rate
• I2C and SPI serial communication interface
2.4.7
Humidity Sensor
The HDC1000 device is a digital humidity sensor with a relative humidity (RH) operating range of 0% to
100% that provides excellent measurement accuracy at very low power (see [7]). Some other features
are:
• Relative humidity accuracy ±3%
• 14-bit measurement resolution
• Supply voltage range of 3 V to 5 V
2.4.8
Light Sensor
The OPT3001 device is a sensor that measures the intensity of visible light (see [8]). The device can
sense a light spectrum similar to that of the human eye. Some other features follow:
• Measurements: 0.01 lux to 83k lux
• Wide power-supply range: 1.6 V to 3.6 V
• Low operating current: 1.8 µA
• Flexible interrupt system
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Design Files
3
Design Files
3.1
Hardware
www.ti.com
All design files include schematics, layout, bill of materials (BOM), Gerber files, and documentation. All
documentation materials are available for download from SimpleLink Wi-Fi CC3200 LaunchPad Reference
Design.
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PCB Revision
PCB Revision
Rev 1.2
6
Description
Baseline
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References
www.ti.com
5
References
1. MK24 Series Reed Sensor
2. Knowles SPH0641LU4H Digital Microphone
3. HCS0503B Buzzer
4. MPU-9250 Nine-Axis (Gyro + Accelerometer + Compass) MEMS MotionTracking™ Device
5. TMP007 Infrared Thermopile Sensor with Integrated Math Engine Data Sheet
6. BMP280 Barometric Pressure Sensor
7. HDC1000 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor Data Sheet
8. OPT3001 Ambient Light Sensor (ALS) Data Sheet
9. Watch DevPack
10. SimpleLink Wi-Fi CC3200 LaunchPad Reference Design
11. CC3200 SimpleLink™ Wi-Fi® and IoT SensorTag Design Files
Revision History
Date
Revision
February 2017
SWRU514*
Notes
Initial release
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Revision History
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