Product Features

• CPU

  32bit Dual-Issue DSP

  Up to 160MHz programmable processor

  With IEEE754 Single precision FPU

  With cordic accelerate engine

  Advanced debug with 8 hardware breakpoints/watchpoints

  Advanced system execption capture unit

• Interrupt

  Support for up to 64 interrupts with 8 priority level

  NMI supported

  SWI supported, with configurable priority

  Low power wake up by polling pending 12 IO interrupts for low power wake up

• 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

  Single/Dual MIC Environmental Noise Cancellation (ENC)

  Multi-band DRC limiter

  20-band EQ configuration for voice Effects

• Audio Codec

  Two channels 24-bit DAC, SNR >= 102dB

  Two channel 24-bit ADC , SNR>=95dB

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

  ADC 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 Four PDM digital MIC inputs

  Two channels analog AUX, supports stereo

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

  Supports 16ohm and 32ohm Speaker loading

• ANC

  ANC processing engine up to 750 kHz samplerate

  7.5μs analog to analog latency

  Supports 4 digital microphone inputs, 2differential or single-ended analog inputs forANC

  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

  Meet class2 and class3 transmitting power  requirement

  Support GFSK and DQPSK all packet  types

  Provides maximum +10dbm transmitting power

  EDR receiver with minimum -94dBm 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, UART0、UART1 support DMA mode

  One hardware IIC interface supports host and  device mode

  Three Built-in low power Cap Sense Keys

  LED controller，support 2LED control by one IO

  10-bit ADC for analog sampling

  External wake up/interrupt on all GPIOs

  Crossbar IO support: timer/SPI/SDC/IIC /UART/RDEC/ALINK/PLINK

• PMU

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

  Less 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 4.4V

  VDDIO is 2.2V to 3.6V

• Packages

  QFN32(4mm*4mm)

• Temperature

  Operating temperature: -40℃ to +85℃

  Storage temperature: -65℃ to +150℃

• Application

  Bluetooth Stereo Headsets and Headphones

  Bluetooth Stereo ANC Headsets andHeadphones

  Bluetooth ANC TWS Earphones