Product Features

• CPU

  32bit Dual-Core DSP

  Maximum speed 160MHz

  32KB ICache and 16KB DCache

  IEEE754 Single precision FPU

  Mathematical accelerate engine

  Interrupts with 8 priority level

• Memory

  On-chip 640KB SRAM

  Support MMU

  Built-In Flash

• Clocks

  On-chip 16 MHz clock oscillator

  On-chip 200 kHz lower-temperature-drift  clock oscillator

  24 MHz crystal oscillator

  32.768 kHz crystal oscillator

• DSP Audio Processing

  SBC, AAC Audio decodes supported for BTaudio

  mSBC voice codec supported for BT phone

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

  Packet Loss Concealment (PLC) for voice  processing

  Single/Dual MIC Environmental Noise  Cancellation (ENC)

  Multi-band DRC limiter

  Multi-band EQ configuration for voice  Effects

• Audio Codec

  Two channels 24-bit DAC,SNR ≥ 104dB

  Four channels 24-bit ADC,SNR ≥ 95dB

  Audio DAC Sampling rates of  8kHz/11.025kHz/16kHz/22.05kHz/24kHz/  32kHz/44.1kHz/48kHz/64kHz/88.2kHz/96kHz are supported

  Audio ADC Sampling rates of  8kHz/11.025kHz/16kHz/22.05kHz/24kHz/  32kHz/44.1kHz/48kHz are supported

  Support four digital/analog MIC inputs

  Four channels analog audio inputs

  Audio DAC support differential cap-less  mode or single-ended mode

  Direct drive 16ohm/32ohm Speaker loading

• ANC

  ANC processing engine up to 750 kHz samplerate

  7.5μs analog to analog latency

  Supports 4 differential or single-ended analoginputs, 4 digital microphone inputs for ANC

  Supports 2 channels Feed-Forward, Feed-Back, Hybrid ANC

  ANC module include 20 double precisionBiquad filters for each FF/FB/ musiccompensation control

• Bluetooth

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

  Support AoA/AoD direction finding

  Support LE audio BIS/CIS full function

  Meet class2 and class3 transmitting power  requirement

  Maximum +9dbm transmitting power

  EDR receiver with minimum -95dBm  sensitivity

  Support a2dp/avctp/avdtp/avrcp/hfp/spp/smp/  att/gap/gatt/rfcomm/sdp/l2cap profile

  bap 1.0/pacs 1.0/ccp 1.0/mcp 1.0/micp  1.0/vcp 1.0/csip 1.0

  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 OTG controller

  One SD host controller for eMMC/SD

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

  Four UART interface, UART0,UART1&UART2 support DMA

  I2C Master/Slave interface

  SPI Master/Slave interface

  I2S Master/Slave interface

  QDEC

  Low power CapSense

  13-channel 10-bit ADC for analog sampling

  4-channel Motor PWM controller

  18 Individually programmable andmultiplexed GPIO pins

  Up to 12 external interrupt/wake-upsource(low power available,can bemultiplexed to any I/O)

• PMU

  Built-in lithium battery charging manager,up  to 200mA charging current

  Built-in LDO and Buck DC-DC converter

  Less than 2uA sleep current

  VPWR range : 4.5V to 5.5V

  VBAT range : 2.2V to 4.5V

  IOVDD range : 2.2V to 3.6V

• Packages

  QFN32(4mm*4mm)

• Temperature

  Operating temperature: -40℃ to +85℃

  Storage temperature: -65℃ to +150℃

• Application

  Bluetooth TWS ANC Earphones

  Bluetooth TWS Earphones