CSR8670

CSR8670 Bluetooth Audio SoC

Embedded Flash Solution for Bluetooth Audio Applications

CSR8670, Qualcomm Kalimba, Qualcomm aptX, Qualcomm cVc and Qualcomm TrueWireless are products of Qualcomm Technologies, Inc., and/or its subsidiaries.

Featured Documents

Product Brief

Specifications

Bluetooth

Bluetooth Version: Bluetooth 5.0

Bluetooth Radio: +10dBm maximum output power (typical), -90dBm receiver sensitivity (basic rate, typical)

USB

USB Support: Supports USB charger detection

USB Version: USB 2.0 (Full Speed)

General Audio

Audio Technology: Qualcomm TrueWireless™ Technology, Qualcomm® Broadcast Audio technology, Qualcomm® aptX™ audio technology, Qualcomm® cVc™ audio technology, 16 bit audio data path

Qualcomm® aptX™ playback support: aptX Classic, Qualcomm® eXtension program

Analog Microphone Input: 2 analog mics/line inputs (up to 96kHz sample rate)

Digital Microphone Input: 6 digital mics

Analog DAC output: 2 analog DAC channels (up to 192kHz sample rate)

Microphone Bias Generator: 2 microphone bias generators

DSP

DSP Technology: Qualcomm® Kalimba™ DSP

DSP Clock Speed: 80 MHz

MCU

MCU Clock Speed: 80MHz

Power Management

Maximum Input Voltage: 3.3V

Charging

Maximum Current: 200 mA on chip, 500 mA with external transistor

Memory

Flash: 16MB, Up to 64 MB external flash

RAM: 56KB RAM

Interface

Supported Interfaces: Master I²C, 1x PCM/I²S, 1x SPDIF, UART

Input/Output

ADC: 2 ADCs

DAC: 2 DACs

Maximum PIOs: 29

PWM (LED): 3

Input

Touch Sensor Inputs: 6 touch sensor inputs

Package

Package Type: VFBGA, WLCSP, 4.7 x 4.8 x 0.6 mm 0.5 mm pitch WLCSP, 6.5 x 6.5 x 1 mm 0.5 mm pitch VFBGA

Pitch: 0.5mm Pitch

  1. Qualified up to Bluetooth 5.0 standard.