CSR8645

Features ■ ■ ■ ■ ■ ■ BlueCore® CSR8645™ BGA CSR8645 Stereo ROM Solution with aptX™ 2-mic CVC Audio Enhancement Fully Qualified Single-chip Bluetooth® v4.0 System Production Information CSR8645A04 Issue 6 ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 80MHz RISC MCU and 80MIPS Kalimba DSP Internal ROM, serial flash memory and EEPROM interfaces Stereo codec with 2 microphone inputs Radio includes integrated balun 5-band fully configurable EQ CSR's latest CVC technology for narrowband and wideband voice connections including wind noise reduction Wideband speech supported by HFP v1.6 profile and mSBC codec Voice recognition support for answering a call, enables true hands-free use Multipoint HFP connection to 2 phones for voice Multipoint A2DP connection enables a headset (A2DP) connection to 2 A2DP source devices for music playback Secure simple pairing, CSR's proximity pairing and CSR's proximity connection Audio interfaces: I²S and PCM Serial interfaces: UART, USB 2.0 (full-speed), I²C and SPI aptX, SBC, MP3 and AAC decoder support Wired audio support (USB and analogue) Support for smartphone/tablet applications Integrated dual switch-mode regulators, linear regulators and battery charger External crystal load capacitors not required for typical crystals 3 LED outputs 68‑ball VFBGA 5.5 x 5.5 x 1mm 0.5mm pitch Green (RoHS compliant and no antimony or halogenated flame retardants) CSR8645 BGA Data Sheet XTAL ROM SPI/ I2C Serial Flash / EEPROM RAM 2.4GHz Radio + Balun UART/USB BT_RF ...