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Home > Products > JL Bluetooth Chips > Bluetooth Chip for Earphones

Bluetooth Chip JL6976D

32-bit DSP supports hardware Float Point Unit(FPU) Up to 160MHz programmable processor 64Vectored interrupts 8 Levels interrupt priority

Product Features

  • CPU

    32-bit DSP supports hardware Float Point Unit (FPU)

    Up to 160MHz programmable processor

    64Vectored interrupts

    4 Levels interrupt priority

  • DSP Audio Processing

    SBC, AAC Audio decodes supported for BT audio

    mSBC voice codecs supported for BT phone

    Supports MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC audio decoding

    Packet Loss Concealment (PLC) for voice processing

    Acoustic echo cancellation/suppression (AEC,AES)

    Single MIC (Analog/Digital) Environmental  Noise Cancellation (ENC)

    Multi-band DRC limiter

    20-band EQ configuration for voice Effects

  • Audio Codec

    Two channels 24-bit DAC, SNR >= 101dB

    Two channels 24-bit ADC , SNR >= 85dB

    Sampling rates of  8KHz/11.025KHz/16KHz/22.05KHz/  24KHz/32KHz/44.1KHz/48KHz are  supported

    Two analog MIC amplifier, build-in MIC bias  generator

    Supports two PDM digital MIC inputs

    One channel analog MUX

    Supports cap-less, single-ended, and  differential mode at the DAC path

    Supports 16ohm and 32ohm Speaker loading

  • Bluetooth

    Compliant with Bluetooth  V5.3+BR+EDR+BLE specification

    Meet class2 and class3 transmitting power  requirement

    Support GFSK and π/4 DQPSK all packet  types

    Provides maximum +8dbm@BDR,  +6dbm@EDR transmitting power

    receiver with minimum -94dBm@EDR  sensitivity

    Fast AGC for enhanced dynamic range

    Supports  a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gapga tt/rfcomm/sdp/l2cap profile

    a2dp 1.3.2/avctp 1.4/avdtp 1.3/ avrcp 1.6.2/  hfp 1.8 /spp 1.2/rfcomm 1.1/pnp 1.3/  hid 1.1.1/sdp core5.3/l2cap core 5.3

  • Peripherals

    One full speed USB 2.0 OTG controller

    Six multi-function 32-bit timers, support  capture and PWM mode

    Three full-duplex basic UART, support DMA  mode

    One hard ware IIC interface supports host and  device mode

    Two Built-in low power Cap Sense Keys

    Built-in Cap Sense Key controller

    10-bit ADC for analog sampling

    External wake up/interrupt on all GPIOs

  • PMU

    Low voltage LDO and DC-DC for internal digital and analog circuit supply

    2uA current consumption in the soft-off mode

    Built-in LDO and DC-DC for the core, I/O, Bluetooth and flash

    VBAT is 2.2V to 4.5V

    VDDIO is 2.2V to 3.4V

  • Packages

    QFN32(4mm*4mm)

  • Temperature

    Operating temperature: -40℃ to +85℃

    Storage temperature: -65℃ to +150℃

  • Application

    Bluetooth TWS headsets

Pin Assignment

BLE Bluetooth Chip AC6321A

How to Order

You can get your Bluetooth Chip JL6976D solution by flling out the form below and we will contact you immediately.

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