Bluetooth and MSP430 Audio Source Reference Design Board


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The Bluetooth and MSP430 Audio Source reference design can be used by customers to create a variety of applications for low-end, low-power audio source solutions for applications including toys, projectors, smart remotes and any audio streaming accessories. This reference design is a cost-effective audio implementation and with full design files provided allows you to focus your efforts on application and end product development. This reference design also provides the TI Bluetooth Stack.

Please note that the MSP430 memory size does not allow any additional application space, so the use case should be audio sink only as described For additional application space please consider using higher flash device, for example MSP430F5438.

  • Enables Bluetooth audio (SBC encode/decode) with low cost, low power MSP430F5229
  • Design offloads audio processing from MCU to the Bluetooth device which enables low power audio
  • Cost-effective low end wireless audio solution with a four layer layout and QFN packages
  • Core of the solution is TI's SimpleLink™ CC2564 which offers best-in-class Bluetooth performance (+12dBm output power) leading to robust connection over long range
  • CC256x and TI Bluetooth Stack both have Bluetooth Subsystem QDIDs allowing you to only need a Bluetooth End Product Listing
  • This circuit design is tested and includes firmware, demo and wiki page for quick start guide

  • (1) BT-MSPAUDSOURCE board
  • (1) mini-USB cable
  • (1) stereo audio cable with 3.5-mm plug connectors

Bluetooth products
CC2564 Bluetooth® 4.0 with Enhanced Data Rate (EDR), Low Energy (LE) and ANT CC2564MODN Bluetooth® 4.1 with Basic Rate (BR), Enhanced Data Rate (EDR), Low Energy (LE) module


Audio ADCs
TLV320ADC3101 92-dB SNR low-power stereo ADC with digital microphone support and miniDSP


MSP430 microcontrollers
MSP430F5229 25 MHz MCU with 128KB Flash, 8KB SRAM, 10-bit ADC, comparator, DMA, 1.8V Split-Rail I/O

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Develop with TLV320ADC3101

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Evaluation board

BT-MSPAUDSOURCE — Bluetooth and MSP430 Audio Source Reference Design Board

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Technical documentation

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Type Title Date
Certificate BT-MSPAUDSOURCE EC Declaration of Conformity (DoC) (Rev. B) Jan. 02, 2019
Certificate BT-MSPAUDSOURCE EC Declaration of Conformity (DoC) (Rev. A) Apr. 09, 2018
User guide Bluetooth Dual Mode Audio Source Reference Design Quick Start Guide (Rev. A) Sep. 19, 2014

Related design resources

Software development

TIBLUETOOTHSTACK-SDK TI Dual-Mode Bluetooth® Stack

Reference designs

BT-MSPAUDSOURCE-RD Bluetooth and MSP MCU Audio Source Reference Design

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