TI Introduces Ultra-Low Power Audio Capacitive Touch BoosterPack

Texas Instruments (TI) announced today the introduction of the Audio Capacitive Touch BoosterPack based on the C5000TM ultra-low power digital signal processor (DSP), which implements a variety of new functions for microprocessor applications, supporting clear audio and playback and recording functions. . The latest Audio Capacitive Touch BoosterPack (430Boost-C55audio1) is a plug-in board for the MSP430TM LaunchPad Development Kit, which is a suggested price of $4.30. It is also TI's first DSP fully-controlled solution that helps Designers with DSP programming experience add audio and other real-time features to their systems. The BoosterPack is ideal for low-power applications that use recording and playback audio capabilities to meet the needs of MP3 players, home automation, and industrial applications.

Jon Beall, director of marketing for TI's single-core processors, points out: "TI combines the industry's lowest operating power DSP with an ultra-low power microcontroller to achieve the lowest power consumption for audio applications. In addition to the low power advantage, add To the already popular audio capacitive touch BoosterPack real-time DSP performance will achieve infinite possibilities for microcontroller developers, to help them make full use of advanced DSP technology without DSP programming."

The audio capacitive touch BoosterPack uses the C553x ultra-low-power DSP and MSP430 Value Line devices to combine industry-leading ultra-low-power microcontrollers with the DSP platform to help developers ensure low power consumption while maintaining The controller application adds DSP functionality. Developers can take advantage of pre-programmed DSP functions and use the UART to easily control the DSP with simple instructions.

The main features and benefits of Audio Capacitive Touch BoosterPack:
• The C553x ultra-low power DSP is the lowest total power DSP in the industry, operating at a power consumption of less than 0.15 mW/MHz at 1.05 V, supporting clear audio/voice MP3 encoding and decoding;
• The MSP430G2452 microcontroller provides 0.5 uA of standby current and wake-up time of less than 1 μs for various low-power applications.
• The MSP430 microcontroller's capacitive touch interface helps users control volume, select tracks, record and play back audio files;
• Integrated LED display, high-speed USB 2.0, and SD/MMC interface to enhance the user experience;
• The free capacitive touch library supports capacitive touch buttons, sliders, scroll wheels, and proximity sensors via the MSP430 microcontroller, eliminating the need for developers to create complex touch sensing algorithms;
• Get complete OLED user interface and MP3 recording/playback software library support to simplify development.


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