CSRA68100 Bluetooth Audio Platform

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



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™ audio playback support: Qualcomm® aptX™, Qualcomm® 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


Flash: Flexible QSPI Flash (external) programmable platform


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


Summary: 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

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

General Purpose I/Os: 63x

DAC: 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

CSRA86100 is no longer for sale.

If you need a similar product, Qualcomm recommends CSRA86105.