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    2. Audio

      Show case
      ATS2833 Bluetooth V5.0 module-嘉興致芯科技有限公司
      CPU+DSP dual-core SOM for low power portable & wireless audio application

      ATS2833 module is a highly integrated single-chip Bluetooth audio solution. It features 240MHz RISC CPU + 400MHz CEVA DSP core. with 336KB RAM and 2MB Flash. It is working as a module with UART AT constrol interface or fully open to develop base on Actions SDK. The SDK officially support Zephyr RTOS. This is the highlights for the module.


      ? 240MHz RISC-32 CPU processor Core
      ? 400MHz CEVA DSP core
      ? Internal 336KB RAM for data and program
      ? Internal 32KB CPU ICache for SPI NorFlash
      ? Internal 32KB Cache for SPI pSRAM
      ? Internal 16M bits SPI serial Flash for custom defined software
      ? Up to 16MB extensional pSRAM to support rich and flexible software feature
      ? Supports 24MHz OSC with on-chip PLL
      ? Operating voltage: I/O 3.1V, Core 1.2V
      ? Fully configurable PEQ
      ? Supports for echo cancellation , noise reduction and wind noise reduction
      ? Supports for packet loss concealment
      ? Supports for sound effect, such as MDRC, bass enhancement, virtual surround effects
      ? Symmetric and asymmetric cryptography
      ? 128bit effuse is used for symmetric key when using symmetric cryptography
      ? Asymmetric cryptography signature algorithm is SHA256WithRSA Encryption, the public key is 2048bit


      Support Bluetooth V5.0, compatible with Bluetooth V4.2/V4.2 LE/V2.1 + EDR systems
      ? Compatible with AVRCP Profile V1.6
      ? Compatible with A2DP Profile V1.3
      ? Compatible with HFP Profile V1.7
      ? Supports all packet types in basic rate and enhanced data rate
      ? Supports SCO/eSCO link
      ? Supports Secure Simple Pairing
      ? Supports Low Power Mode ( Sniff / Sniff Sub-rating / Hold / Park )
      ? Bluetooth Dual Mode support: Simultaneous LE and BR / EDR
      ? Supports multiple Low Energy states
      ? Fast AGC control to improve receiving dynamic range
      ? Supports AFH to dynamically detect channel quality to improve transmission quality
      ? Integrated Class2 PA
      ? Supports Power / Enhanced Power Control


      Built-in stereo 24 bit input sigma-delta DAC
      ? DAC supports sample rate 8k/12k/11.025k/16k/22.05k/24k/32k/44.1/48/96kHz
      ? Built-in stereo 20mW PA for headphone. PA output supports traditional mode and direct drive mode (for earphone)
      ? Supports differential audio output
      ? Built-in stereo 24 bit input sigma-delta ADC
      ? ADC supports sample rate 8k/12k/11.025k/16k/22.05k/24k/32k/44.1k/48/96kHz
      ? Supports 2 stereo single-ended analog input or 1 stereo fully differential analog input
      ? Supports Digital microphones
      ? Supports single-ended Analog microphones and fully differential microphone
      ? Audio Interfaces: I2S TX and I2S RX, sampling rate up to 192KHz
      ? Audio Interfaces: SPDIF TX, sampling rate up to 96KHz

      Power Management

      ? Supports Li-Ion battery and 5V power supply
      ? Integrated DC-DC buck converters
      ? Linear regulators output VCC, SVCC, RTCVDD
      ? Standby Leakage Current (Include RTC module):<50uA(Whole System)
      ? Low Power Consumption:
      Typical Sniff Current: 600uA@Vbat=3.8V
      A2DP: 15.5mA@Vbat=3.8V
      HFP: 16.5mA@Vbat=3.8V

      Physical Interfaces

      ? Support SDIO interface
      ? USB 2.0 device and host controllers
      ? Serial Interface: SPI*2, UART*2
      ? Support Remote Control with the internal IRC for decoding
      ? 7 PWM drivers independent of MCU

      ATS2833 Bluetooth V5.0 module-嘉興致芯科技有限公司