SX9300EVKA

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SX9300EVKA is an evaluation board designed for advanced capacitive touch and proximity sensing solutions such as touchpads, scrollwheels, proximity sensors and liquid level detectors. The board features an ultra-low-power SX9300 capacitive touch controller and provides users with the support of a powerful graphic user interface to demonstrate the potential of this evaluation board.

The SX9300EVKA evaluation board is equipped with several features such as a 13-bit ADC in order to accurately measure the voltage at the sensor combined with a 1kHz sleep mode, minimal power consumption due to 16-channel sensor selectors, 16-bit GPIO ports, and an embedded RoHS compliant MCU including DMA for fast transfers. Additionally, the board is designed with several expansion ports, which allow for use with other components such as an accelerometer, gyroscope, and temperature sensor. The tablet offers a I2C, SPI, UART and LIN communication ports and an on-chip flash memory. All of these features make the SX9300EVKA ideal for capacitive touch applications.

The working principle of the SX9300EVKA is simple. The capacitive sensor die is connected to a printed circuit board (PCB), and the PCB is then connected to a host computer. The board acts as an interface between the host computer and the sensor die. The board contains a number of components that allow it to interact with the host computer, and these components include an integrated circuit that contains the programming logic for the board, and a capacitively driven sensor technology that detects changes in capacitance when a capacitive sensor element is present in the vicinity of the board.

When the board is connected to the host computer, the software running on the board communicates with the host computer over a communication port in order to retrieve data from the capacitive sensors. This can include information regarding changes in capacitance, movement between sensors, or even temperature readings. The host computer then sends the data back to the board, which interprets the data and makes decisions based on the results. The board can then control its output based on the results of the evaluation, by controlling the output of the capacitive sensor or by raising or lowering the output voltage.

Aside from the PCB, the SX9300EVKA evaluation board also comes with a development kit, which includes the necessary components for developing custom capacitive sensing solutions. The components included in the kit are a breadboard implementation of the capacitive sensor, an evaluation board software stack that allows users to quickly program the board and study the behavior of capacitive sensing and software development tools, as well as reference designs and example applications that demonstrate the basic principles of capacitive sensing. With the development kit, users can quickly develop custom capacitive sensing solutions that meet their exact needs.

The SX9300EVKA evaluation board is an ideal choice for any team looking for an ultra-low-power capacitive touch solution. The board features an integrated power supply, embedded RoHS compliant MCU, 16-channel sensor selector and expandable I/O ports. Additionally, the board is accompanied by a development kit, which includes all the necessary components to quickly develop a custom capacitive sensor solution. With the SX9300EVKA evaluation board, teams can easily develop advanced capacitive touch and proximity sensing solutions that are tailored to their needs.

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