CSR8670

17 / 30

CSR8670 SoC

Embedded Flash Solution for Bluetooth Stereo and Mono Apps

The CSR8670 SoC is an audio system-on-chip (SoC) solution with wireless connectivity, embedded flash memory and integrated capacitive touch sensors, enabling the creation of feature rich home entertainment and wearable audio products with a highly compelling user experience and superior audio performance.

Looking for CSR Support?

CSR8670 Specs

Bluetooth

Bluetooth Version

  • Bluetooth 4.1

Maximum Output Power

  • 10dBm transmitter

Bluetooth Radio

  • 50Ω
  • -90dBm receiver sensitivity

Class Support

  • Class 3
  • Class 2
  • Class 1

USB

USB Version

  • USB 2.0

Audio

Audio Technology

  • Qualcomm® aptX™ codec technology
  • Qualcomm® cVc™ audio technology
  • HD Voice
  • Qualcomm TrueWireless™ Technology

Analog Microphone Input

  • 2 analog mics

Digital Microphone Input

  • 6 digital mics

Equalizer

  • 5-band EQ

Microphone Bias Generator

  • 2 microphone bias generators

DSP

DSP Technology

  • Qualcomm® Kalimba™ DSP

DSP Bit Architecture

  • 24-bit

MCU

MCU Clock Speed

  • 80MHz

Power Management

Maximum Input Voltage

  • 3.3V

Charging

Maximum Current

  • 200 mA

Memory

RAM

  • 56KB RAM

Flash

  • 16MB
  • Up to 64 MB external flash

Interface

Supported Interfaces

  • UART
  • USB 2.0
  • Master and slave bit-serializer
  • PCM
  • I²S
  • SPDIF

Input/Output

ADC

  • 2 ADCs

DAC

  • 1 DAC

General Purpose IOs

  • 14

Maximum PIOs

  • 29

PWM (LED)

  • 3

Input

Touch Sensor Inputs

  • 6 touch sensor inputs

Package

Package Type

  • 6.5 x 6.5 x 1 mm 0.5 mm pitch VFBGA