CW6686E

CW6686E is a highly integrated system on chip for Bluetooth v3.0 with Enhanced Data Rate(EDR). This SOC is backward-compatible with Bluetooth 2.1, 2.0 and 1.2 systems. The Bluetooth chip supports a data rate of 1M/2M/3Mbps. It integrates an abundant amount of peripherals (full-duplex UART, SPI, SD, IIC (FM function)), clock management and audio interface.

Features: 
  • Compliant to Bluetooth 3.0+EDR, backward compatible with BT 2.1, 2.0 and 1.2
  • Stereo DAC with 90dB SNR
  • Stereo MIC SDADC with 90dB
  • Supports full-duplex UART, IIS, SPI interface
  • Full speed USB 2.0 HOST/DEVICE controller
  • Power on Reset
  • 2 channels 16 levels Low Voltage Detector (2.2V to 4.2V)
  • Two internal LDO from DC-DC output 1.6V to 1.2V for internal circuit
  • One internal LDO from DC input to 3.3V for GPIO
  • Independent powered Real-Time Clock
  • Battery Charger supports up to 250mA with no external components
  • Supports Software Power on/off mode, Deep Sleep mode, Sniff mode
  • Supports HFP 1.6, HSP 1.2, A2DP 1.3, AVCTP 1.4, AVDTP 1.3, AVRCP 1.5
  • Supports AEC
  • Automatic gain control for Differential MICIN
  • 2-MICIN for noise cancelation
  • Noise suppression
  • Supports Configurable 8-band EQ for music playback
  • Line-in EQ
  • Supports MP3/SBC decoder, WMA decoder
  • Oscillator for external 32.768KHz crystal resonator
  • Applications: 
  • Bluetooth MP3 Boombox
  • Bluetooth stereo headset
  • Bluetooth stereo speaker
  • Bluetooth audio communication equipment
  • Specification
    SPI Flash: 
    External
    USB: 
    Y
    DSP Engine: 
    MP3/WAV
    SD card support: 
    Y
    Package: 
    LQFP48
    Call: 
    Y
    7 pin LED display: 
    Y
    Dot Matrix Screen: 
    Y
    Stereo: 
    Y
    AUX: 
    Stereox1
    AUX EQ: 
    Y
    FM: 
    Y
    ADKEY: 
    Y
    Recording: 
    WAV
    SPK Mixed Signal: 
    Y

    Documentation

    Product Selection Guide

    Choose your desired IC from the Product Selection Guide.