
ETC
[Cambridge Silicon Radio Limited]
General Description
CSRs BlueCore® CSR8615 QFN is a single-chip CSR8615 mono ROM solution for rapid evaluation and development of Bluetooth audio applications.
BlueCore® CSR8615 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 mono codec, a power management subsystem and LED drivers.
FEATUREs
■ Bluetooth® v4.0 specification compliant
■ 80MHz RISC MCU and 80MIPS Kalimba DSP
■ High-performance mono codec with 1
microphone input
■ Internal ROM, serial flash memory and EEPROM
interfaces
■ 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
■ CSRs 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, CSRs proximity pairing
and CSRs 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)
APPLICATIONs
■ Bluetooth mono speakers
■ Speakerphones
■ 1-mic CVC headset or headphones
■ Handsfree car kits