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. If you need a similar product, Qualcomm recommends CSRA86105.

CSRA68100, Qualcomm aptX, Qualcomm Kalimba and Qualcomm Kymera are products of Qualcomm Technologies, Inc., and/or its subsidiaries.



CPU Clock Speed: 2x 120 MHz

CPU Cores: Dedicated customer application processor, System firmware processor


DSP Technology: 2x Qualcomm® Kalimba™ DSP, Qualcomm® Kymera™ DSP Framework

DSP Clock Speed: 2x 240 MHz


Bluetooth Version: Bluetooth 5.0

Class Support: Class 1


Integrated NFC Radio: Tag mode, Peer-to-peer listener mode, NFC type II

General Audio

Audio Technology: Qualcomm® Broadcast Audio technology, Qualcomm® aptX™ audio technology

Qualcomm® aptX™ audio playback support: Qualcomm® aptX™, Qualcomm® aptX™ HD, Qualcomm® eXtension program

Audio Inputs: 2x low power ADC, 2x high-quality line level ADCs

Audio Playback

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

Audio Recording

Microphone: Up to 8 digital mics

Sampling, Record: Up to 192kHz/24bit


Maximum Current: 1.8 A


Battery Type: Li-ion battery


Flash: Flexible QSPI Flash (external) programmable platform


Supported Interfaces: SDIO v3.0 host, USB device and host, I²C, SPI, UART


General Purpose I/Os: 63x

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

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

DAC: 2-ch 109 dBA 24-bit DAC, 8-192 kHz sample rates

  1. 4x SPDIF, 4x I²S with programmable MCLK
  2. Internal mode, up to 200 mA; External mode, up to 1.8 A
  3. Programmable to be digital PIO, cap sense, ADC, DAC

CSRA86100 is no longer for sale.

If you need a similar product, Qualcomm recommends CSRA86105.