E.A.’s Model:
KMBT020 A(CSR8670+NO External Flash)
KMBT020 B(CSR8670+8M External Flash)
KMBT020 C(CSR8670+16M External Flash)
KMBT020 D(CSR8670+32M External Flash)
KMBT020 E(CSR8670+64M External Flash)

Approval Memo:



Device Features
  • Bluetooth® v4.0 specification fully qualified software.
  • Radio includes integrated balun.
  • 80MHz RISC MCU and 80MIPS Kalimba DSP.
  • 16Mb internal flash memory (64-bit wide, 45ns); optional support for 64Mb of external SPI flash.
  • Stereo codec with 2 channels of ADC and up to 6 microphone inputs (includes bias generators and digital microphone support).
  • Support for CSR’s latest CVC technology for narrow-band and wideband
  • voice connections including wind noise reduction.
  • Audio interfaces: I²S, PCM and SPDIF.
  • Serial interfaces: UART, USB 2.0 full-speed, I²C.
  • Integrated dual switch-mode regulators, linear regulators and battery charger.
  • 3 hardware LED controllers (for RGB) and ability to drive LCD segment display directly.
  • Support for up to 6 capacitive touch sensor inputs.
  • Surface-mount, Size: 9.00×9.00×1.80mm max pitch 57-ball BGA.
General Description
  • K-mate® KMBT020 BGA consumer audio platform for wired and wireless applications integrates an ultra-low-power DSP and application processor with embedded flash memory, a high-performance stereo codec, a power management subsystem, LED and LCD drivers and capacitive touch sensor inputs in a SoC IC. The dual-core architecture with flash memory enables manufacturers to easily differentiate their products with new features without extending development cycles.
  • The enhanced Kalimba DSP coprocessor with 80MIPS supports enhanced audio and DSP applications.

Home Entertainment Ecosystem

  • TVs
  • Smart remote controllers
  • Wired or wireless soundbars
  • Wired or wireless speakers and headphones

Tablets / PCs / Mobile Connectivity

  • Wearable audio (on-the-go)
  • Wearable audio with sensors (health and wellbeing applications)
  • Wired or wireless stereo headphones for music/gaming/multimedia content
  • Wired or wireless speakers
  • Wired or wireless speakerphones
  • Mono headsets for voice

The audio codec supports 2 ADC channels, up to 6 microphone inputs, stereo output and a variety of audio standards.

Related products