Product Features

• CPU

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

  Up to 240MHz programmable processor

  64Vectored interrupts

  4 Levels interrupt priority

• DSPAudio 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/Dual MIC Environmental Noise Cancellation (ENC)

  Multi-band DRC limiter

  30-band EQ configuration for voice Effects

• Audio Codec

  Two channels 16-bit DAC, SNR >= 92dB

  Three channels 16-bit ADC , SNR >= 90dB

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

  One analog MIC amplifier, build-in MIC bias generator

  Supports two PDM digital MIC inputs

  three channels Stereo analog MUX

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

  Supports 16ohm and 32ohm Speaker loading

• Bluetooth

  Compliant with Bluetooth V5.1+BR+EDR+BLE specification

  Meet class1 class2 and class3 transmitting power requirement

  Support GFSK and π/4 DQPSK all paket types

  Provides +6dbm transmitting power

  receiver with -90dBm sensitivity

  Fast AGC for enhanced dynamic range

  Supports a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/g att/rfcomm/sdp/l2cap profile

• Peripherals

  One full speed USB 2.0 OTG controller

  Two PCM/IIS for external digital Audio code, supports host and device mode

  Four multi-function 16-bit timers, support capture and PWM mode

  Three 16-bit PWM generator for motor driving

  Three full-duplex basic UART, UART0 and UART1 supports DMA mode

  Three SPI interface supports host and device mode

  Two SD Card Host controller

  One hardware IIC interface supports host and device mode

  Four SPDIF receiving interface without analog amplify

  Supports HDMI ARC (Audio Return Channel) receiving

  Segment LCD panels

  Digital matrix LED panels

  Built-in Cap Sense Key controller

  10-bit ADC for analog sampling

  External wake up/interrupt on all GPIOs

• PMU

  Low voltage LDO for internal digital and analog circuit supply

  3uA current consumption in the soft-off mode

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

  VBAT is 2.2V to 5.5V

  VDDIO is 2.2V to 3.6V

  RTCVDD33 is 2.2V to 3.6V

• Packages

  LQFP52(6mm*6mm)

• Temperature

  Operating temperature: -40℃ to +85℃

  Storage temperature: -65℃ to +150℃

• Application

  Bluetooth Stereo speaker

  Bluetooth soundbar

  Bluetooth car speaker

  Bluetooth TWS speaker

  Bluetooth alarm clock speaker

  Bluetooth Rod speaker

  Bluetooth Watch