ATS2833数据手册Actions中文资料规格书

描述 Description

炬芯科技蓝牙音箱芯片系列产品主要为双模蓝牙5.3单芯片解决方案，具备高音质、低延迟、低功耗等特点，主要应用于便携式蓝牙音箱、soundbar电视音箱、车载蓝牙音频等产品，也可以做为蓝牙智能语音助手搭配手机使用。\r
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炬芯科技擅长在低功耗的前提下提供高音质及低延迟的无线音频体验，全系列产品具有先进的高音质音频技术，以及低延迟技术，低延迟模式下蓝牙音频信号延迟低至50ms，让用户在视频观看、手机游戏等特定使用场景下更低延迟享受真实还原的声音；支持 app/apk、TWS、本地播放和多段PEQ和 DRC 等音效调节；部分产品支持 Audio Broadcast、Multi point、Hi-res、特殊音效调节和低延迟模式；其中Audio Broadcast 应用支持数百台音箱组合播放，距离可达几十米。另外如ATS283XP 已领先支持 LE Audio，ATS283XP 基于 LE Audio 技术，可以实现低于 20ms 的超低延迟。

特性 Features

System
• 240MHz RISC-32CPU 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 surroundeffects
• 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
• SupportBluetooth 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 transmissionquality
• Integrated Class2 PA
• Supports Power / Enhanced Power Control

Audio
• Built-instereo 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 modeand 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 differentialanalog input
• Supports Digital microphones
• Supports single-ended Analog microphones and fully differential microphone
• Audio Interfaces: I2S TX and I2S RX, SPDIF TX, sampling rate up to 192KHz

Power Management
• SupportsLi-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

PhysicalInterfaces
• Support SDIOinterface
• 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

Package
• QFN-48,6mm*6mm，Pitch 0.4mm

Application
• Portablestereo speakers and speakerphones
• Bluetooth car audio unit
• Stereo headsets and headphones
• Other Bluetooth audio applications