Difference Between CSR8670 And CSR8675

- Jul 06, 2018-

CSR modules are often used in high-end Bluetooth headsets, high-end Bluetooth speakers, vehicle multimedia, and dual mode bluetooth devices. Here is the difference between CSR8670 and CSR8675.

Difference between CSR8670 and CSR8675
 CSR8670 CSR8675CSR8675 Main  Advantages
 BT4.0(Upgrade to 5.0 via software) BT4.1(Upgrade to 5.0 via software)
 80MHz RISC MCU and 80MIPS  Kalimba DSP 80MHz RISC MCU and 120MHz Kalimba    DSP

  Up to 120MIPS DSP for intensive digital     signal processing algorithmsFaster computing   speed
 16-bit audio 24-bit audioWith   much better Sound quality , close to HD (sound sampling rate 24Bit, 192KHz)
 Supported sample rates of 8, 11.025,  16, 22.05, 32, 44.1,48 and 96kHz  (DAC only) Supported sample rates of 8, 11.025, 16,  22.05, 32, 44.1,48, 96 kHz and 192kHz  (DAC only)
 Internal 16Mb Flash(extendible  external64Mb SPI Flash) Internal 16Mb Flash(extendible  external64Mb SPI Flash)
 Stereo codec and 2 path MIC(Line  in) Stereo codec and 2 path   MIC(Line in)
 Max 6 path digital   MIC(MEMS) Max 6 path digital   MIC(MEMS)
 Support for CSR's latest CVC  technology for narrow-band and  wideband voice connections  including wind noise reduction Support for CSR's latest CVC technology  for narrow-band and wideband voice    connections including wind noise  reduction
  1 x I²S/PCM 2 x I²S/PCM

 Meet the needs of multiple

 digital audio interfaces

SPDIF (Take up   I²S/PCM's interface) SPDIF (no take up I²S/PCM's   interface) Can be mapped to any I/O port,  with greater freedom on circuit  design and integration
Serial interfaces: UART, USB2.0 full-speed, I²C Serial interfaces: UART, USB2.0 full-  speed, I²C and SPI

 Master and slave bit-serialiser (I²C and  SPI) Support master-slave I2C and  SPI communication
Support for up to 6 capacitive touch sensor inputs Support   for up to 6 capacitive touch  sensor inputs
Battery charger Battery charger
3 hardware LED controllers (for RGB) and ability to drive LCD segment display   directly

 3 hardware LED controllers (for RGB) and  ability to drive LCD segment display directly

Up to 29 PIO ports(BGA package) Up to 32 PIO ports(BGA package)

Feasycom CSR870 Bluetooth Module:


Feasycom CSR8675 Bluetooth Module:


For more details ,feel free to Contact Feasycom .