Audio Signal Processing BoosterPack Plug-In Module


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When plugged into a LaunchPad™ Development Kit, the BOOSTXL-AUDIO Audio BoosterPack™ Plug-in Module can capture audio input from a microphone and output audio through an on-board speaker. Headphone input and output is also supported. This audio input/output stream lets developers experiment with the digital signal processing (DSP) and filtering capabilities of the microcontroller (MCU) found on the attached LaunchPad Development Kit.

There are various options – selectable by a jumper on the BoosterPack – for connecting the speaker to the Launchpad’s MCU: (1) output audio data over SPI to the SPI DAC provided on the Audio BoosterPack; (2) directly connecting to the DAC on the LaunchPad’s MCU (if available); or (3) use the LaunchPad's PWM output together with a basic R/C filter on the BoosterPack, to create a simple, low-cost analog audio signal.

  • High quality audio playback with onboard 14-bit DAC (can be bypassed if target MCU has an integrated DAC)
  • Automatic switching from onboard speakers and microphone to a headset with microphone
  • Onboard microphone supports sampling rates of up to 20kHz

  • BOOSTXL-AUDIO BoosterPack Plug-In Module
  • Quick Start Guide

MSP430 microcontrollers
MSP430FR5962 16-MHz MCU with 128-KB FRAM, 8-KB SRAM, low-energy accelerator, AES, 12-bit ADC, DMA and 76 IO MSP430FR5964 16 MHz MCU with 256KB FRAM, 8KB SRAM, AES, 12-bit ADC , comparator, DMA, UART/SPI/I2C, timer MSP430FR5992 16-MHz MCU with 128-KB Flash, 8-KB SRAM, 12-bit ADC, comparator, I2C/SPI/UART, HW multiplier MSP430FR5994 16 MHz MCU with 256KB FRAM, 8KB SRAM, LEA, AES, 12-bit ADC , comparator, DMA, UART/SPI/I2C, timer MSP430FR59941 16 MHz MCU with 256KB FRAM, 8KB SRAM, LEA, AES, 12-bit ADC , comparator, DMA, 68 IO, eUSCI


Audio switches
TS3A225E 100-mΩ audio jack switch with autonomous microphone & ground detection


General-purpose op amps
TLV2760 Single, 3.6-V, 500-kHz, RRIO operational amplifier with shutdown


Precision DACs (≤10 MSPS)
DAC8311 14bit, Single Channel, 80uA, 2.0V-5.5V DAC in SC70 Package


Speaker amps
TPA301 350-mW, mono, Class-AB audio amplifier
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Get started

  1. Order the BOOSTXL-AUDIO BoosterPack and the MSP-EXP430FR5994 LaunchPad
  2. ;
  3. Select the software examples and import them to CCS Cloud IDE
  4. ;
  5. Complete the demos
  6. ;
  7. Take the Advanced Signal Processing trainings
  8. ;

Order & start development

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BOOSTXL-AUDIO — Audio Signal Processing BoosterPack Plug-In Module

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BOOSTXL-AUDIO-DESIGN-FILES — Audio Signal Processing BoosterPack Plug-In Module - Design Files

Code example or demo


Supported products & hardware
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Latest version
Release date: 29 Mar 2016
download  — 1615 K

BOOSTXL-AUDIO Hardware Design Files


MSP-EXP430FR5994 Software for Windows


MSP-EXP430FR5994 Software for Linux


MSP-EXP430FR5994 Software for Mac OS X

Hardware development
BOOSTXL-AUDIO Audio Signal Processing BoosterPack Plug-In Module

Release Infomation

Click on the links in the table below to download.

This download page includes open-source design files for the BOOSTXL-AUDIO Audio BoosterPack Plug-In Module:

  • Hardware: Open-source schematics, layout, bill of materials (BOM), Gerber files, and documentation.
  • Software: Open-source example projects for LaunchPads + BoosterPacks, pre-built firmware images, and documentation.

Note: BoosterPack examples are included in LaunchPad specific software packages.

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide BOOSTXL-AUDIO Audio BoosterPack Plug-in Module User's Guide (Rev. A) 09 Nov 2016
* More literature BOOSTXL-AUDIO Software Examples and Design Files 24 Mar 2016
* User guide BOOSTXL-AUDIO Audio BoosterPack Plug-in Module Quick Start Guide 24 Mar 2016
Certificate BOOSTXL-AUDIO EC Declaration of Conformity (DoC) (Rev. A) 02 Jan 2019

Related design resources

Hardware development

MSP-EXP430FR5994 MSP430FR5994 LaunchPad™ development kit

Reference designs

TIDM-FILTERING-SIGNALPROCESSING Filtering and signal processing reference design using MSP430 FRAM microcontroller

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