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
