The audio capacitive touch reference design is a plug-in board for the MSP430 LaunchPad development kit (MSP-EXP430G2). This reference design features several capacitive touch elements including a scroll wheel, button and proximity sensor and nine LEDs that provide instant feedback as users interact with the capacitive touch elements.
The TMS320C5535 DSP and TLV320AIC3204 CODEC also provide MP3 encoding and decoding capabilities. On-board USB, microSD card, OLED display and headset interface round out the design. This features two embedded processors that cooperate and communicate via a UART API/interface between C5535 DSP and MSP430 microcontroller.
MSP430 microcontroller responsible for:
C5535 DSP responsible for:
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Download ready-to-use system files to speed your design process.
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Files used for 3D models or 2D drawings of IC components
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| Application note | Audio Capacitive Touch BoosterPack C5535 Software | Sep. 03, 2014 | ||
| Application note | Audio Capacitive Touch BoosterPack MSP430 Software | Sep. 03, 2014 | ||
| Application note | Audio Capacitive Touch BoosterPack Hardware | Sep. 03, 2014 |
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