Mikroelektronika d.o.o.
Tableau de clic Temp-Log 5
Tableau de clic Temp-Log 5
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Le Temp-Log 5 Click Board™ est un Click Board™ de mesure de température doté du CAT34TS02, un circuit intégré de capteur de température précis avec EEPROM de détection de présence série intégrée. Le capteur de température mesure et stocke les températures au moins 10 fois par seconde. Les résultats de mesure de température peuvent être récupérés par le microcontrôleur hôte via l'interface I2C et sont comparés aux limites critiques stockées dans des registres internes. Il dispose également d'une fonction de sortie d'événement programmable et prend en charge trois modes.
How Does The Temp-Log 5 Click Board™ Work?
The sensor IC used on the Temp-Log 5 Click Board™ is CAT34TS02 from ON semiconductor that combines a JC42.4 compliant Temperature Sensor (TS) with 2 Kb of Serial Presence Detect (SPD) EEPROM. Temperature sensor measures and stores temperatures at least 10 times in a second, allowing it to be retrieved by the host MCU via the I2C interface. The result can be compared to critical limits, stored in internal registers. This allows the sensor to reduce the processing workload of the host MCU by employing the trigger limits mechanism: by asserting the EVENT line to a LOW logic level, the CAT34TS02 is able to wake up the host MCU, reducing the power consumption. The EVENT pin is routed to the INT pin of the mikroBUS™. The CAT34TS02 IC can be configured to trigger an EVENT in three different modes: Interrupt mode, Comparator mode, and Critical Temperature mode.
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When set in the Interrupt Mode, the EVENT output will be asserted every time the temperature crosses one of the alarm limits. Once the temperature exceeds the critical limit, the EVENT remains asserted as long as the temperature stays above the critical limit. The EVENT can be cleared by setting a bit in a corresponding register (must be cleared by the software). However, the pin will remain asserted as long as the temperature exceeds the critical limits.
In the Comparator mode, the EVENT pin is asserted whenever the temperature is outside the predefined limit values and deasserted as soon as the temperature drops under the limit (no need to clear the bit by the software). If set in the Critical Temperature Mode, the EVENT pin will be asserted only if the temperature exceeds a critical threshold limit. The limit values can be programmed via the corresponding registers.
CAT34TS02 IC uses the I2C/SMBus protocols to communicate with the host MCU. Its I2C bus pins are routed to the mikroBUS™ I2C pins and are pulled to a HIGH logic level by the onboard resistors. The I2C slave address of the CAT34TS02 IC can be selected by ADDR pins A0, A1 and A2: LOW logic level clears the corresponding address bit (GND), while HIGH logic level sets the bit (VCC). This can be done using a group of onboard jumpers, positioned under the label ADDR SEL.
The provided click board™ library contains simple and easy to use functions, which simplify configuring and reading of the measurement data. These functions are demonstrated in the included example application and can be used as a reference for custom projects. These functions can be used in mikroC, mikroBasic and mikroPascal compilers for all MCU architectures, supported by MikroElektronika.
Specifications
| Type | Temperature & humidity,Temperature Logging |
| Applications | Temp-Log 5 is a great solution for the development of various embedded applications based on temperature measurement and data logging. |
| On-board modules | CAT34TS02, a digital output temperature sensor with SPD EEPROM, by ON semiconductor |
| Key Features | Very high measurement accuracy and repeatability, programmable thresholds and hysteresis, a dedicated EVENT pin with a programmable function, selectable resolution, 256 bytes of integrated EEPROM, and more |
| Interface | I2C |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |
| Input Voltage | 3.3V |
Pinout diagram
This table shows how the pinout on Temp-Log 5 click 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 output | |
| 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 |
Electrical Specifications
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Temperature Accuracy | - | +/-0.2 | +/-0.4 | °C |
| Temperature resolution | - | - | 0.0625 | °C |
| Operating temperature | -45 | - | 130 | °C |
| Active range | - | - | ±1.0 | °C |
| Monitor range | - | - | ±2.0 | °C |
| Sensing range | - | - | ±3.0 | °C |
| I2C clock frequency | 10 | - | 400 | kHz |
Onboard settings and indicators
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | PWR indication LED |
Software Support
We provide a library for the Temp-Log 5 Click Board™ on our LibStock page, as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Library Description
The library initializes and defines the I2C bus driver and drivers that offer a choice for writing data in the TS register and read data from the TS register. The library contains functions for reading Temperature data, functions for writing and reading EEPROM, functions for reading Interrupt status and temperature status. The library provides full control of all the registers that the modules contain.
Key Functions
float templog5_getTemperature()- Temperature Datavoid templog5_writeEEPROM(uint8_t start_addr, uint8_t *dataIn, uint8_t nByte)- Write EEPROMvoid templog5_readEEPROM(uint8_t start_addr, uint8_t *dataOut, uint8_t nByte)- Read EEPROM
Example Description
The application is composed of three sections :
- System Initialization - Initialization I2C module and set INT pin as INPUT.
- Application Initialization - Initializes driver init, Test communication, EEPROM write/read test and configuration device for measurement.
- Application Task - Reads Temperature data and logs data to the USB-UART every 1 sec.
void applicationTask()
{
float Temperature;
Temperature = templog5_getTemperature();
FloatToStr(Temperature, demoText);
mikrobus_logWrite("--- Temperature: ", _LOG_TEXT);
mikrobus_logWrite(demoText, _LOG_LINE);
mikrobus_logWrite("------------------------", _LOG_LINE);
Delay_1sec();
}
The full application code, and ready to use projects can be found on our LibStock page.
Other mikroE Libraries used in the example:
I2CUARTConversions
Additional Notes and Information
Depending on the development board you are using, you may need a USB UART Click Board™, USB UART 2 Click Board™ or RS232 Click Board™ to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.
mikroSDK
This 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.
Software Support
We provide a library for the Temp-Log 5 Click Board™ on our LibStock page, as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Library Description
The library initializes and defines the I2C bus driver and drivers that offer a choice for writing data in the TS register and read data from the TS register. The library contains functions for reading Temperature data, functions for writing and reading EEPROM, functions for reading Interrupt status and temperature status. The library provides full control of all the registers that the modules contain.
Key Functions
float templog5_getTemperature()- Temperature Datavoid templog5_writeEEPROM(uint8_t start_addr, uint8_t *dataIn, uint8_t nByte)- Write EEPROMvoid templog5_readEEPROM(uint8_t start_addr, uint8_t *dataOut, uint8_t nByte)- Read EEPROM
Example Description
The application is composed of three sections :
- System Initialization - Initialization I2C module and set INT pin as INPUT.
- Application Initialization - Initializes driver init, Test communication, EEPROM write/read test and configuration device for measurement.
- Application Task - Reads Temperature data and logs data to the USB-UART every 1 sec.
void applicationTask()
{
float Temperature;
Temperature = templog5_getTemperature();
FloatToStr(Temperature, demoText);
mikrobus_logWrite("--- Temperature: ", _LOG_TEXT);
mikrobus_logWrite(demoText, _LOG_LINE);
mikrobus_logWrite("------------------------", _LOG_LINE);
Delay_1sec();
}
The full application code, and ready to use projects can be found on our LibStock page.
Other mikroE Libraries used in the example:
I2CUARTConversions
Additional Notes and Information
Depending on the development board you are using, you may need a USB UART Click Board™, USB UART 2 Click Board™ or RS232 Click Board™ to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.
mikroSDK
This 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.
Tableau de clic Temp-Log 5
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