Document
CSR8635 QFN Data Sheet
Prepared for qingbo keven.zhou - excelpoint.com.cn - Friday, September 27, 2013
Features
■ Bluetooth® v4.0 specification compliant ■ 80MHz RISC MCU and 80MIPS Kalimba DSP ■ Stereo codec with 1 microphone input ■ Internal ROM, serial flash memory and EEPROM
interfaces ■ High-performance Stereo codec ■ Radio includes integrated balun with RF
performance of 8dBm transmit power and -89dBm receiver sensitivity ■ AVRCP v1.4 ■ 5-band fully configurable EQ ■ Wideband speech supported by HFP v1.6 and mSBC codec ■ CSR's latest CVC technology for narrowband and wideband voice connections including wind noise reduction ■ Multipoint support for A2DP connection to 2 A2DP sources for music playback ■ Secure simple pairing, CSR's proximity pairing and CSR's proximity connections ■ Stereo line-in ■ Serial interfaces: USB 2.0, UART, I²C and SPI ■ SBC, MP3 and AAC decoder support ■ Wired audio support ■ Integrated dual switch-mode regulators, linear regulators and battery charger ■ External crystal load capacitors not required for typical crystals ■ 3 LED outputs (RGB) ■ 68-lead QFN 8 x 8 x 0.9mm 0.4mm pitch ■ Green (RoHS compliant and no antimony or halogenated flame retardants)
General Description
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® CSR8635 QFN single-chip Bluetooth audio solution.
BlueCore® CSR8635 QFN
CSR8635 Stereo ROM Solution
1-mic CVC Audio Enhancement
Fully Qualified Single-chip Bluetooth® v4.0 System
Production Information CSR8635A04 Issue 5
XTAL BT_RF
2.4 GHz Radio
+ Balun
ROM
RAM
Baseband
I /O
MCU
Kalimba DSP
SPI/ I2C UART/USB
Serial Flash /
EEPROM
PIO
Audio In / Out
Debug SPI
Applications
■ Stereo speakers ■ Speakerphones ■ 1-mic stereo headset or headphones ■ Handsfree car kits
The enhanced Kalimba DSP coprocessor with 80MIPS supports enhanced audio and DSP applications.
The integrated audio codec supports stereo input and output, as well as a variety of audio standards.
See CSR Glossary at www.csrsupport.com.
Production Information © Cambridge Silicon Radio Limited 2013 Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement
Page 1 of 105 CS-303725-DSP5
www.csr.com
Prepared for qingbo keven.zhou - excelpoint.com.cn - Friday, September 27, 2013
Ordering Information
Device
CSR8635 Stereo ROM Solution
Type
QFN‑68-lead (Pb free)
Package
Size
8 x 8 x 0.9mm 0.4mm pitch
Shipment Method
Tape and reel
Order Number CSR8635A04‑IQ.