Mikroelektronika d.o.o.
Accel 24 Click-Platine
Accel 24 Click-Platine
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Key Features:
- Niedriger Stromverbrauch, hohe Leistung und Auflösung, MEMS-Sensor mit On-Chip-Signalverarbeitung, keine beweglichen Teile, 12-Bit-Signalausgang für X-, Y- und Z-Achse, 6-Positionen-Ausrichtungserkennung, Verwacklungserkennung mit Interrupt, I2C-Schnittstelle und mehr
- Basierend auf dem MXC6655XA – digitale dreiachsige Beschleunigung von MEMSIC
- Kann für eine Vielzahl von Informationsgeräten, Unterhaltungselektronik, Haushaltssicherheitsanwendungen und mehr verwendet werden
- mikroBUS: I2C-Schnittstelle
Das Accel 24 Click Board™ ist eine kompakte Zusatzplatine mit einem Beschleunigungssensor. Diese Platine verfügt über den MXC6655XA, einen 12-Bit-Dreiachsen-Beschleunigungsmesser von MEMSIC. Es ermöglicht wählbare Vollskalen-Beschleunigungsmessungen in Bereichen von ±2 g, ±4 g oder ±8 g in drei Achsen mit einer kompatiblen seriellen I2C-Schnittstelle mit 400-kHz-Schnellmodusbetrieb. Neben einem niedrigen Offset und einem Temperatursignal mit hoher Genauigkeit erkennt das MXC6655XA auch sechs Ausrichtungspositionen, X/Y-Verwacklung und Verwacklungsrichtungen mit einem entsprechenden Unterbrechungssignal für diese Zustände. Dieses Click Board™ ist für eine Vielzahl von Informationsgeräten, Unterhaltungselektronik, Haushaltssicherheitsanwendungen und vielem mehr geeignet.
Das Accel 24 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 Accel 24 Click Board™ Work?
The Accel 24 Click Board™ is based on the MXC6655XA, a highly reliable digital triaxial acceleration from MEMSIC. The MXC6655XA is highly configurable with a programmable acceleration range of ±2g, ±4g, or ±8g based on MEMSIC's proprietary thermal technology built with a 0.18μm standard CMOS process. It contains no moving sensor parts, eliminating field reliability and repeatability issues; there is no measurable resonance (immunity to vibration), no stiction, and no detectable hysteresis.
The MXC6655XA also eliminates the "click" sounds typically heard in ball-based orientation sensors. The shock survival of this MEMS sensing structure is greater than 200,000g. This sensor provides X/Y/Z axis acceleration signals with a low 0g offset and temperature signals with high accuracy. In addition, it also detects six orientation positions, X/Y shake, and shakes directions.
The Accel 24 Click Board™ communicates with MCU using the standard I2C 2-Wire interface to read data and configure settings capable of operating in a standard or fast mode of operation. The acceleration signal is provided in 12-bit output resolution. In addition to communication pins, this board also possesses an additional interrupt pin, routed to the INT pin on the mikroBUS™ socket, for orientation and X/Y shake detections. The MXC6655XA allows users to be placed in a Power-Down mode enabled through the I2C interface.
The Accel 24 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 | Can be used for a wide range of information appliances, consumer electronics, household safety applications, and more |
| On-board modules | MXC6655XA - digital triaxial acceleration from MEMSIC |
| Key Features | Low power consumption, high performance and resolution, MEMS sensor with on-chip signal processing, no moving parts, 12-bit signal output for X, Y and Z axes, 6-position orientation detection, shake detection with interrupt, I2C interface, and more |
| Interface | I2C |
| 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 Accel 24 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 | |
| NC | 3 | CS | RX | 14 | NC | ||
| NC | 4 | SCK | TX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | SCL | I2C Clock | |
| NC | 6 | MOSI | SDA | 11 | SDA | I2C Data | |
| 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 |
ACCEL 24 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | - | 3.3 | - | V |
| Acceleration Range | ±2 | - | ±8 | g |
| Acceleration Resolution | - | 12 | - | bits |
| Sensitivity (±2 ~ ±8) | 256 | - | 1024 | LSB/g |
| Operating Temperature Range | -40 | +25 | +85 | °C |
Software Support
We provide a library for the Accel 24 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 Accel 24 Click Board™ driver.
Key functions
-
accel24_get_int_pinThis function returns the INT pin logic state. -
accel24_read_dataThis function checks the data ready bit, clears it, and then reads the accel (X, Y, Z) and temperature measurements. -
accel24_set_full_scale_rangeThis function sets the full scale range resolution.
Example Description
This example demonstrates the use of the Accel 24 Click Board™ reading and displaying accel data (X, Y, and Z axis) as well as temperature measurements on the USB UART.
void application_task ( void )
{
accel24_data_t meas_data;
// Wait for data ready indication
while ( accel24_get_int_pin ( &accel24 ) );
if ( ACCEL24_OK == accel24_read_data ( &accel24, &meas_data ) )
{
log_printf( &logger, " X: %.3f grn", meas_data.x );
log_printf( &logger, " Y: %.3f grn", meas_data.y );
log_printf( &logger, " Z: %.3f grn", meas_data.z );
log_printf( &logger, " Temperature: %.2f degCrn", meas_data.temperature );
}
Delay_ms ( 100 );
}
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.Accel24
Additional Notes and Information
Depending on the development board you are using, you may need USB UART Click Board™, 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 Accel 24 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.
Accel 24 Click-Platine
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