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/mSBC encoder and decoder

  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 ≥ 98dB

  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

• 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

• Graphics

  2D Graphics accelerator

  Support crop, scale, rotation process

  Support multiple data format graphics

  SPI and QSPI display driver

• 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

  Four 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

  40 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

  QFN52(6mm*6mm)

• Temperature

  Operating temperature: -40℃ to +85℃

  Storage temperature: -65℃ to +150℃

• Application

  Bluetooth Smart Watch

  Bluetooth Smart Home

  Bluetooth Intelligent Voice

  Bluetooth Stereo speaker

  Bluetooth Soundbars

  Bluetooth TWS speaker

  Bluetooth alarm clock speaker

  Bluetooth Rod speaker