ATS2835

System

  · 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 32M 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 efuse is used for symmetric key when using symmetric cryptography
  · Asymmetric cryptography signature algorithm is SHA256WithRSA Encryption,   the public key is 2048bit

Bluetooth

  · Supports   Bluetooth V5.0
  · Compatible with Bluetooth V4.2/V4.2 LE/V4.0/V3.0/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

Audio

  · Built-in   stereo 24 bit input sigma-delta DAC
  · DAC supports sample rate 8k/12k/11.025k/ 16k/22.05k/24k/32k/44.1k/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 3 stereo single-ended analog input or 1 stereo fully differential   analog input plus 1 stereo single-ended analog input
  · Supports Digital microphones
  · Supports single-ended Analog microphones and fully differential microphone
  · Audio Interfaces: I2S TX and I2S RX*2, SPDIF TX and RX, sampling rate up to   192KHz

Power Management

  · Supports   Li-Ion battery and 5V power supply
  · Integrated DC-DC buck converters, switchable to LDO mode
  · 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

  · Supports   SD/MMC/eMMC card interface
  · Supports SDIO interface
  · USB 2.0 device and host controllers
  · Serial Interface: SPI*2, UART*2, I2C
  · Supports Remote Control with internal IRC
  · Supports LCM with 8bit CPU Interface, 4COM/5COM/6COM Segment LCD, 7pin LED
  · 9 PWM drivers independent of MCU

Package

  · QFN-68   (8mm*8mm, Pitch 0.4mm)

Application

  · Portable   stereo speakers and speakerphones
  · Bluetooth car audio unit
  · Stereo headsets and headphones
  · Other Bluetooth audio applications