Mikroelektronika d.o.o.
Gyro 7 Click-Board
Gyro 7 Click-Board
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Das Gyro 7 Click Board™ ist eine kompakte Zusatzplatine, die ein Hochleistungsgyroskop enthält. Diese Platine verfügt über den ICG-1020S, einen zweiachsigen MEMS-Winkelgeschwindigkeitssensor (Gyroskop) von TDK InvenSense. Der ICG-1020S bietet extrem niedriges RMS-Rauschen sowie Rauschdichte. Das hochauflösende Gyroskop unterstützt einen voll programmierbaren Bereich von ±46,5 dps bis ±374 dps, eine schnelle Abtastrate von bis zu 32 kHz, eine serielle SPI-Schnittstelle und einen extrem niedrigen Stromverbrauch. Dieses Click Board™ wurde für Anwendungen zur optischen Bildstabilisierung (OIS) entwickelt.
Das Gyro 7 Click Board™ wird von einer mikroSDK-kompatiblen Bibliothek unterstützt, die Funktionen enthält, die die Softwareentwicklung vereinfachen. Dieses Click Board™ wird als vollständig getestetes Produkt geliefert und ist bereit für den Einsatz auf einem System, das mit der mikroBUS™-Buchse ausgestattet ist.
How Does The Gyro 7 Click Board™ Work?
The Gyro 7 Click Board™ as its foundation uses the ICG-1020S, a high-performance 2-axis gyroscope from TDK InvenSense. The ICG-1020S is highly configurable with a full-scale programmable range from ±46.5dps to ±374dps. The single structure vibratory MEMS rate gyroscope detects the X- and Y-axis rotation. When the gyroscope is rotated about any sense axes, the Coriolis effect causes a detected vibration. The resulting signal is amplified, demodulated, and filtered to produce a proportional voltage to the angular rate. With its 2-axis integration, the Gyro 7 Click Board™ allows you to design it into an optical image stabilization (OIS) application.
Two-axis MEMS rate gyroscope sensor, the ICG-1020S, comes with integrated 16-bit ADCs and signal conditioning with two axes XY configuration. After the signal is digitized, data is processed through a digital filter and output through sensor data registers. Besides, the ICG-1020S is also characterized by high resolution and low RMS noise, noise density, a fast sample rate at up to 32kHz, and low power consumption.
The Gyro 7 Click Board™ communicates with MCU through a register-selectable standard SPI interface that enables high clock speed up to 20MHz, supporting the two most common SPI modes, SPI Mode 0 and 3. Other blocks include onboard clocking, temperature compensation, and bias circuits. The sensor data registers contain the latest gyro data, and they are read-only registers accessible via the serial interface. Data from these registers may be read anytime. It also possesses an additional interrupt signal, routed on the INT pin of the mikroBUS™ socket labelled as INT, indicating when a specific interrupt event occurs.
The Gyro 7 Click Board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.
SPECIFICATIONS
| Type | Motion |
| Applications | The Gyro 7 Click Board™ can be used for optical image stabilization (OIS) applications |
| On-board modules | ICG-1020S - dual-axis MEMS angular rate sensor (gyroscope) from TDK InvenSense |
| Key Features | Low power consumption, full-scale programmable range up to ±374dps, integrated 16-bit ADCs, user-programmable digital filters, interrupt, high performance, reliability, and more |
| Interface | SPI |
| Compatibility | mikroBUS |
| Click board size | S (28.6 x 25.4 mm) |
| Input Voltage | 3.3V |
PINOUT DIAGRAM
This table shows how the pinout of the Gyro 7 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| NC | 2 | RST | INT | 15 | INT | Interrupt | |
| SPI Chip Select | CS | 3 | CS | RX | 14 | NC | |
| SPI Clock | SCK | 4 | SCK | TX | 13 | NC | |
| SPI Data OUT | SDO | 5 | MISO | SCL | 12 | NC | |
| SPI Data IN | SDI | 6 | MOSI | SDA | 11 | NC | |
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | NC | |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
GYRO 7 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | - | 3.3 | - | V |
| Full-Scale Range | ±46.5 | - | ±374 | dps |
| Sensitivity | 87.5 | - | 700 | LSB/(º/s) |
| Resolution | - | 16 | - | bits |
| Operating Temperature Range | -40 | +25 | +85 | °C |
Software Support
We provide a library for the Gyro 7 Click Board™ as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.
Library Description
This library contains API for the Gyro 7 Click Board™ driver.
Key functions
-
gyro7_get_int_pinThis function returns the INT pin logic state. -
gyro7_read_gyroscopeThis function reads the gyroscope X and Y axis in degrees per second (dps). -
gyro7_read_temperatureThis function reads the internal temperature in Celsius.
Example Description
This example demonstrates the use of the Gyro 7 Click Board™ by reading and displaying the values of X and Y axis in degrees per second and the chip internal temperature in Celsius.
void application_task ( void )
{
if ( gyro7_get_int_pin ( &gyro7 ) )
{
float x_axis, y_axis, temperature;
if ( GYRO7_OK == gyro7_read_gyroscope ( &gyro7, &x_axis, &y_axis ) )
{
log_printf( &logger, " X : %.2f dpsrn", x_axis );
log_printf( &logger, " Y : %.2f dpsrn", y_axis );
}
if ( GYRO7_OK == gyro7_read_temperature ( &gyro7, &temperature ) )
{
log_printf( &logger, " Temperature : %.2f Crnn", temperature );
}
}
}
The full application code, and ready to use projects can be installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.
Other MikroE Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.Gyro7
Additional Notes and Information
Depending on the development board you are using, you may need a USB UART click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.
MIKROSDK
The Gyro 7 Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.
Gyro 7 Click-Board
Frequently Asked Questions
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