CSR8645 Datasheet – Stereo ROM Solution – CSR

Part Number: CSR8645, CSR8645A03‑IBBC‑R

Function: Stereo ROM Solution with aptX

Package: VFBGA 68-ball Type

Manufacturer: Cambridge Silicon Radio Limited ( www.csr.com )


CSR8645 image


  1. 80MHz RISCMCU and 80MIPS Kalimba DSP
  2. Internal ROM, serial flash memory and EEPROM interfaces
  3. Stereocodec with 2 microphone inputs
  4. Radio includes integrated balun
  5. 5-band fully configurable EQ
    CSR’s latest CVC technology for narrowband and wideband voice connections including wind noise reduction
  6. Wideband speech supported by HFP v1.6 profile and mSBCcodec

CSR8645 block diagram


BlueCore CSR8645 is a product from CSR’s ConnectivityCentre. It is a single-chip radio and baseband IC for Bluetooth 2.4GHz systems including basic rate, EDR to 3Mbps and Bluetooth low energy. The integrated peripherals reduce the number of external components required, including no requirement for external codec, battery charger, SMPS, LDOs,balunor externalprogrammemory, ensuring minimum production costs.The battery charger architecture enables the CSR8645BGA to independently operate from the charger supply, ensuring dependable operation for all battery conditions.


Official Homepage: https://www.qualcomm.com/products/application/audio/csr8645

CSR8645 Datasheet PDF Download

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