Bosch SMB365 Istruzioni per l'installazione e il funzionamento
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 1
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7211RB11.
Installation and use of the BOSCH Sensortec
multi sensor, wireless Demo-Board
BlueBox V1.0
ABSTRACT
Based on the experience of 500 million MEMS sensors and testing to highest quality
standards, BOSCH Sensortec has developed a sensor family, consisting out of
pressure- and acceleration sensors with best-of-the-market performance and out-
standing reliability. Both the SMB365 acceleration sensor and the SMD500 pressure
sensor are specifically designed for digital low-power applications to enhance
functionality in consumer electronic devices as well as in health, logistics and security
systems. These sensors are available in small and thin standard packages
(QFN 4x4 mm² for acceleration and LCC8 5x5 mm² for pressure) to fit even into the
smallest, state-of-the-art devices.
This application note shows how to set up and how to install the SensorDesktop
software and the BlueBox hardware for functionality demonstration and some minor
evaluation purposes or application examples of the SMB365 and the SMD500 sensor.
The proper use and some general functions, e.g. wireless operation of the BlueBox
Demo-Board, are also described. For specific product evaluation refer to the BOSCH
Sensortec Evaluation Board which is especially designed for application engineering or
extensive testing purposes.
Discover more innovative perspectives for Life Sience and consumer applications:
www.bosch-sensortec.com
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 2
© Bosch Sensortec GmbH reserves all ri
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REQUIREMENTS
•IBM-compatible PC (min. 1.5 GHz and 128 MB RAM)
•Operating system: Windows2000®or WindowsXP®
•Bluetooth capability including software and drivers for optional wireless operation 1)
•CD-ROM Drive
•Temporary administrator rights to install software
•Free USB 1.1 Port or higher for wire bounded operation
OPERATING CONDITIONS:
•Temperature: 0 – 55°C
1) The Bosch Sensortec BlueBox with its Sensor Desktop software package supports full wireless operation via Bluetooth. The Bluetooth capability is
specific to the operating system. All additional necessary hard- and software (e.g. Bluetooth stick with its corresponding software and drivers) is not
included in the BlueBox multi sensor wireless demo board scope of delivery.
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 3
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
g
hts of disposal such
cop
y
in
g
and passin
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onto third parties.
7211RB11.
Content
1INTRODUCTION 4
1.1 BOARD OVERVIEW 5
1.1.1 Acceleration Part (SMB365) 6
1.1.2 Pressure Part (SMD500) 6
1.2 BOARD CONSTITUENTS 7
2HARD- & SOFTWARE INSTALLATION 8
3QUICK-START 17
3.1 USB WIRE BOUND 17
3.2 BLUETOOTH WIRELESS 19
3.3 CUSTOM CALIBRATION OF THE PRESSURE SENSOR SMD500 21
3.3.1 Calibrate at sea level (via internet) 22
3.3.2 Calibrate at sea level (manual) 23
3.3.3 Calibrate altitude (manual) 24
4OPERATION 25
4.1 THE BLUEBOX COCKPIT WINDOW 25
4.2 THE BLUEBOX ALTIMETER WINDOW 27
4.2.1 Additional Plots and Altimeter Settings 29
4.3 THE BLUEBOX ACCELEROMETER WINDOW 33
4.3.1 SMB365 Normal-Power Mode 35
4.3.2 SMB365 Low-Power Mode in global interrupt conditions 36
4.3.3 SMB365 Low-Power Mode in independent interrupt conditions 37
4.3.4 SMB365 Selftest 40
4.4 SENSOR EVALUATION AND DIRECT DATA EXPORT 42
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 4
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
g
hts of disposal such
cop
y
in
g
and passin
g
onto third parties.
7211RB11.
1 Introduction
Sensors from Bosch Sensortec provide many capabilities for consumer products, offering a
wide range of new functions. By measuring acceleration, pressure and angular rate, they make
operating devices simpler and more intuitive. BOSCH Sensortec MEMS sensors also contribute
to more efficient medical care. Devided into acceleration and pressure sensing, the applications
are typically realized in the fields of
Acceleration Sensing
•Mobile phones and PDAs
•Portable music players
•Toys and gaming
•Portable city- and outdoor navigation
•Leisure and sports
•Camera and video equipment
•Mobile computing
•Security systems
•Health
•Home appliances
•Logistics
Pressure Sensing:
•Portable city- and outdoor navigation
•Dead reckoning
•Leisure and sports
•Weather forecast
•Vertical velocity indication (rise / sink speed)
•Security systems
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 5
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
g
hts of disposal such
cop
y
in
g
and passin
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onto third parties.
7211RB11.
1.1 Board overview
[1.1] BlueBox overview including axes alignment for SMB365 acceleration sensor
The Bosch Sensortec BlueBox Demo-Board in combination with its SensorDesktop software
was built for the simultaneous demonstration of the general functionality of the digital
accelerometer sensor SMB365 and the digital pressure sensor SMD500. This includes the
possibility of demonstrating output signal behaviors of each sensor as graphical functions,
interrupt features different power modes, threshold and hysteresis limits, different acceleration
or pressure ranges, the self test function, as well as a user defined direct data export. All either
wire bound via USB or wireless via Bluetooth. Note that the Bosch BlueBox Demo-Board should
not be considered as an evaluation tool. For specific product evaluation refer to the
corresponding BOSCH Evaluation Kits.
After a simple installation of the SensorDesktop software and the connection of the demo board
to a free USB port acceleration specific signals corresponding e.g. to tilt, movement, free-fall,
vibration, shock as well as pressure specific signals corresponding e.g. to height, atmospheric
SMB365
SMD500
+
X
+
Y
+Z
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 6
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
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hts of disposal such
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onto third parties.
7211RB11.
or differential pressure, change in weather and many more can all be measured and visualized
in real-time.
1.1.1 Acceleration Part (SMB365)
In order to measure the above mentioned acceleration specific signals, the BlueBox demo
board is equipped with the Bosch Sensortec SMB365 acceleration sensor. This digital, triaxial
accelerometer, on the basis of the differential capacitive principle, is able to measure low gravity
accelerations in two ranges (±2g and ±10g full scale) in all 3 directions in space, the X, Y and Z
direction with a resolution of 0.004g in the low g range. The alignment of the positive X, Y and Z
direction according to the acceleration sensor is described in the illustration [1.1] above. The
SMB365 is based on automotive proven Robert Bosch technology for silicon surface micro-
machining processes. This has been proven in more than 200 million Bosch accelerometers so
far.
1.1.2 Pressure Part (SMD500)
Additionally to the accelerometer, the BlueBox board is equipped with another Bosch Sensortec
product, the SMD500 pressure sensor, which marks a new generation of high precision digital
pressure sensors for consumer applications. The SMD500 is based on piezoresistive
technology for EMC robustness, high accuracy and linearity as well as long term stability. Its
ultra low-power, low voltage electronics are optimized for use in mobile phones, PDAs, GPS
devices and outdoor equipment. With an altitude noise down to 0.03 hPa (0.25 m) it offers
superior performance in a measurement range from 300 to 1100 hPa (+9000 to -500 m).
For detailed information please refer to the SMB365 and SMD500 related data sheets.
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 7
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
g
hts of disposal such
cop
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in
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onto third parties.
7211RB11.
1.2 Board constituents
The following illustration describes the main elements of the BlueBox multi sensor demo board.
Main components are:
Number Component
1. Bluetooth unit
2. Bosch Sensortec SMB365 acceleration sensor
3. Vreg Voltage Regulator and VShift Logic Level Shifter
4. Microcontroller Programming Interface
5. 8bit Microcontroller
6. Converter ASIC; Bit Parallel to USB
7. Bosch Sensortec SMD500 pressure sensor
8. Data Transmission and Control LED‘s
9. USB I/O Port
10. On/Off switch
1
2
4
5
6
7
8
9
10
3
3
3
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 8
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
g
hts of disposal such
cop
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in
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and passin
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onto third parties.
7211RB11.
2 Hard- & Software Installation
1. Insert SensorDesktop-CD
2. Run “setup.exe” from the directory …:\ SensorDesktop _DemoSoftware
3. The following message box appears
4. Click “Next”
5. The following message box appears
6. Select the primary installation directories “BST_SensorDesktop” and “National
Instruments” in the user specific directory “Program Files” (drive may vary from C:\)
7. The following message box appears
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 9
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
g
hts of disposal such
cop
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in
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and passin
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onto third parties.
7211RB11.
8. Accept the License Agreement(s) as described above.
9. Click “Next”
10. The following message box appears
11. Confirm installation by clicking on “Next”
12. While the installation is in progress, the following message box appears
Application Note
BlueBox Demo-Board for the digital sensors
SMB365 (acceleration) and SMD500 (pressure)
Bosch Sensortec
AN18002
Rev. 1.0 Page 10
© Bosch Sensortec GmbH reserves all ri
g
hts even in the event of industrial propert
y
ri
g
hts. We reserve all ri
g
hts of disposal such
cop
y
in
g
and passin
g
onto third parties.
7211RB11.
13. Wait until the installation is finished
14. When the installation of SensorDesktop is finished, the following message box appears
15. Click finish and restart computer if necessary
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