CSR8635

CSR8635 and Qualcomm Kalimba are products of Qualcomm Technologies International, Ltd.

15 / 31

CSR8635 Chipset

Single Chip Bluetooth Audio ROM Platform

The CSR8635 QFN single-chip Bluetooth audio ROM device targets mid-range stereo speakers and headsets.

Looking for CSR Support?

CSR8635 specs

Bluetooth

Bluetooth Version

  • Bluetooth 4.1

Bluetooth Radio

  • Up to +8dBm output power (typical)
  • -91bBm receiver sensitivity (basic rate, typical)

Bluetooth Profiles

  • HFP v1.6
  • AVRCP v1.4
  • A2DP v1.2
  • DI v1.3
  • HSP v1.2

USB

USB Version

  • USB 2.0 (Full Speed)

USB Support

  • Supports USB charger detection

Audio

Audio Technology

  • Qualcomm® cVc™ audio technology
  • Talk-Time Extension

A2DP multipoint support

  • 2 A2DP sources

Equalizer

  • 5-band EQ

HFP multipoint support

  • 2 handsets

DSP

DSP Technology

  • Qualcomm® Kalimba™ DSP

DSP Bit Architecture

  • 24-bit

MCU

MCU Clock Speed

  • 80MHz

Charging

Maximum Current

  • 200 mA on chip
  • 500 mA with external transistor

Memory

RAM

  • 56KB RAM

Interface

Supported Interfaces

  • UART
  • PCM
  • I²S
  • SPI
  • I²C

Input/Output

ADC

  • 1 ADC

DAC

  • 1 DAC

Maximum PIOs

  • 22

PWM (LED)

  • 3

Package

Package Type

  • QFN
  • 8 x 8 x 0.9 mm 0.4 mm pitch QFN

Pitch

  • 0.4mm

Package Size

  • 8 x 8 x 0.9 mm