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MP3 Encoder/Decoder with capacitive touch interface, OLED display & SD card mass storage
TIDM-LPBP-TCHMP3PLAYER
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Description & Features

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Description

The Audio Capacitive Touch design module is a plug in board for the MSP430 LaunchPad development kit (MSP-EXP430G2). This TI Design features several capacitive touch elements including a scroll wheel, button and proximity sensor, 9 LEDs that provide instant feedback as users interact with the capacitive touch elements.

The TMS320C5535 DSP and TLV320AIC3204 CODEC also provide MP3 encoding & decoding capabilities. On-board USB, microSD card, OLED display, and headset interface round out the system. This solution features 2 embedded processors that cooperate and communicate via a UART API/interface between the C5535 DSP & MSP430 microcontroller.

Features

MSP430 microcontroller responsible for...

  • Capacitive Touch Sensing & LED feedback
  • Gesture / Event Detection
  • Host application that controls BoosterPack
  • UART communication to C5535 DSP

C5535 DSP responsible for...

  • MP3 Encode & Decode
  • SD Card File System
  • USB Mass Storage Class
  • OLED, Codec

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430G2553  16 MHz MCU with 16KB Flash, 512B SRAM, comparator, UART/SPI/I2C, timer  Microcontrollers (MCUs)  Sample & Buy View Design Kits & Evaluation Modules
TMS320C5532  Low power C55x fixed point DSP- up to 100MHz  Processors  Sample & Buy View Design Kits & Evaluation Modules
TMS320C5533  Low power C55x fixed point DSP- up to 100MHz, USB  Processors  Sample & Buy View Design Kits & Evaluation Modules
TMS320C5534  Low power C55x fixed point DSP- up to 100MHz, USB, LCD interface  Processors  Sample & Buy View Design Kits & Evaluation Modules
TMS320C5535  Low power C55x fixed point DSP- up to 100MHz, USB, LCD interface, FFT HWA, SAR ADC  Processors  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430G2553 Download
Download Download
Download Download
Download Download
TMS320C5532 Download
(ZHH) | 144 Download Download
TMS320C5533 Download
(ZHH) | 144 Download Download
TMS320C5534 Download
(ZHH) | 144 Download Download
TMS320C5535 Download
(ZHH) | 144 Download Download

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical documentation

See the Important Notice and Disclaimer covering reference designs and other TI resources.

Application note (3)
Title Type Size (KB) Date
PDF 193 03 Sep 2014
PDF 159 03 Sep 2014
PDF 131 03 Sep 2014
Design files (3)
Title Type Size (KB) Date
PDF 39 17 Jun 2014
ZIP 622 17 Jun 2014
PDF 146 17 Jun 2014

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