CSR8635 PDF – Bluetooth, Wireless Audio Receiver

Part Number: CSR8635

Function: Bluetooth audio system-on-chip (SoC)

Package: QFN‑68-lead Type

Manufacturer: CSR ( Cambridge Silicon Radio Limited )


CSR8635 Bluetooth - Wireless Audio Receiver


CSR’s BlueCore® CSR8635 QFN is a single-chip Bluetooth ROM audio solution for rapid evaluation and development of Bluetooth ROM stereo applications. BlueCore® CSR8635 QFN consumer audio platform for wired and wireless applications using the QFN package integrates an ultra-low power DSP and application processor with embedded flash memory, a highperformance stereo codec, a power management subsystem and LED drivers.

The CSR configuration tools and the development kit provide a flexible and powerful development platform to design advanced and high-quality Bluetooth stereo products using BlueCore CSR-8635 QFN single-chip Bluetooth audio solution.


CSR8635 pinout datasheet

This IC is commonly used in Bluetooth audio applications, such as wireless headphones, earphones, speakers, and other audio devices. It provides a compact and integrated solution for wireless audio connectivity and audio processing.


1. Bluetooth® v4.0 specification compliant

2. 80MHz RISC MCU and 80MIPS Kalimba DSP

3. Stereo codec with 1 microphone input

4. Internal ROM, serial flash memory and EEPROM interfaces

5. High-performance Stereo codec

CSR8635 pdf



1. Stereo speakers

2. Speakerphones

3. 1-mic stereo headset or headphones

4. Handsfree car kits

CSR8635 PDF Datasheet