DK-8635-10163-1A Datasheet, PDF (1/4 Pages) –

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 high-
performance 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 2
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
Page 1 of 4
CS-303199-TOP2
www.csr.com