CSRA68100, Qualcomm aptX, Qualcomm Kalimba and Qualcomm Kymera are products of Qualcomm Technologies International, Ltd. (QTIL).

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CSRA68100 Bluetooth Audio Platform

Designed with proven technology to enable innovation and feature differentiation at the premium end of the Bluetooth speaker and headphone markets. It has 4 times more DSP processing power than the previous premium Bluetooth SoC CSR8675 and includes advanced features all on a single-chip platform, supporting development of portable wireless speakers and headphones with superior audio quality, voice control, far-field echo cancellation, sensor processing and audio post processing. CSRA68100 offers the freedom to innovate, with a dedicated customer application processor sub-system, next generation ADK software and enhanced development tools, including a new ability for the DSP to dynamically reconfigure at runtime.

CSRA86100 is no longer for sale.

CSRA86100 is no longer for sale. If you need a similar product, Qualcomm recommends CSRA86105.

CSRA68100 Specs


Bluetooth Version

  • Bluetooth 5.0

Class Support

  • Class 1


Integrated NFC Radio

  • NFC type II
  • Peer-to-peer listener mode
  • Tag mode

General Audio

Audio Technology

  • Qualcomm® Broadcast Audio technology
  • Qualcomm® aptX™ audio technology

Qualcomm® aptX™ playback support

  • aptX Classic
  • aptX HD
  • Qualcomm® eXtension program

Digital Microphone Input

  • Up to 8 digital mics

Audio Inputs

  • 2x high-quality line level ADCs
  • 2x low power ADC
  • 4x 24-bit I²S up to 192 kHz with programmable MCLK
  • 4x 24-bit SPDIF up to 192 kHz

Audio Outputs

  • 2x high-quality line level DAC outputs
  • 2x low power Class-H headphone drivers
  • 4x 24-bit I²S up to 192 kHz
  • 4x 24-bit SPDIF up to 192 kHz
  • 8-ch PWM audio outputs


CPU Clock Speed

  • 2x 120 MHz

CPU Cores

  • System firmware processor
  • Dedicated customer application processor


DSP Technology

  • 2x Qualcomm® Kalimba™ DSP
  • Qualcomm® Kymera™ DSP Framework

DSP Clock Speed

  • 2x 240 MHz


Maximum Current

  • Up to 1.8 A


Battery Type

  • Li-ion battery



  • Flexible QSPI Flash (external) programmable platform


Supported Interfaces

  • USB device and host
  • SDIO v3.0 host
  • I²C
  • SPI
  • UART



  • 2x audio line in
  • 2x audio line out
  • 2x microphone in
  • 2x headphone out
  • 4x I2S, PCM in/out
  • 4x SPDIF in/out
  • 8x audio PWM out
  • UART
  • USB
  • I²C/SPI
  • 13x XIO


  • 2-ch 100 dBA 24-bit ADC with microphone pre-amp
  • 8-96 kHz sample rates

General Purpose IOs

  • 63


  • 2-ch 109 dBA 24-bit DAC
  • 8-192 kHz sample rates
  1. Internal mode, up to 200 mA; External mode, up to 1.8 A
  2. Programmable to be digital PIO, cap sense, ADC, DAC