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.

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 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

Bluetooth

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

Audio

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