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ATS2819

· ATS2819提供了一个高集成度的蓝牙音频解决方案,它同时也可以用做智能语音助手,并且兼容DMA(百度)、GMA(阿里巴巴)、小爱同学(小米)等多家协议。


· ATS2819满足蓝牙5.0认证,且向下兼容V4.2和V2.1+EDR,支持蓝牙双模,BR/EDR和BLE可以同时工作。


· ATS2819支持多种高品质低延时的编解码格式,比如SBC解码、OPUS/SPEEX编码和mSBC/CVSD的编解码。同时支持PLC丢包补偿和AEC回声消除。


详细参数

System

 · 32bit RISC processor Core, up to 180MHz.
 · Internal RAM for data and program   storage
 · Internal 1MByte Nor flash
 · 5-channel DMA, including DMA0, DMA1,   DMA2, DMA3 and DMA4, support for transmission in burst 8 mode
 · Fully configurable PEQ, up to 14   segments
 · Support for echo cancellation and   noise reduction
 · Support for packet loss concealment
 · Support USB/SDCard firmware upgrade

Bluetooth

 · Bluetooth V5.0 Dual Mode
 · Compatible with Bluetooth V4.2/V4.2   LE/V4.0/V3.0/V2.1 + EDR systems
 · Support all packet types in basic   rate and enhanced data rate
 · Bluetooth Dual Mode support:   Simultaneous LE and BR /EDR
 · Support SCO/eSCO link
 · Support secure simple pairing
 · Support low power mode (sniff/sniff   sub-rating)
 · Bluetooth Piconet and Scatternet   support
 · Bluetooth TX power: 2dBm(typical)
 · Bluetooth RX sensitivity:   -88dBm(typical) when packet Type is 2-DH5

Audio

 · Built-in stereo 16-bit input sigma-delta DACs, SNR>93dB, SNR   (A-Weighting)>96dB, THD+N < -80dB, THD+N (A-Weighting) < -81dB   @0dBFS output amplitude
 · Built-in stereo 16-bit input   sigma-delta ADC, SNR>87dB, SNR(A-Weighting)>89dB, THD+N < -80dB,   THD+N(A-Weighting)<-82dB @PA 1.6Vpp output
 · DAC supports sample rate of   8k/11.025k /12k/16k/22.05k/24k/32k/44.1k/48kHz
 · PA Support non-direct or direct drive   output.
 · ADC supports sample rate of   8k/11.025k /12k/16k/22.05k/24k/32k/44.1k/48kHz
 · Supports two single-ended Analog
  microphone or one DMIC
 · Supports two stereo AUX IN sharing   two ADCs
 · I2S TX&RX support master and   slave mode separately, and support sample rate of   192k/96k/48k/44.1k/32k/24k/22.05k/16k/12k/11.025k/8k
 
· Support Voice Active Trigger

Display

      7/8pin Segment Matrix LED

Power Management

 · Support Li-Ion battery power supply   with battery insert wake up.
 · Support power on button & reset   button.
 · Linear regulators outputs VCC, AVCC,   SVCC.
 · Standby current 45uA (typical).
 · 10-bit A/D converters for system   monitor and wire-control, 10 channels can be externally used by user. The ADC   sample rate can support 2/4/8KHz per channel.
 · 1*WIO which can used for charging   detection.

Physical Interfaces

 · Maximum 2*SD/MMC/eMMC card interface
 · USB1.1FS host or device, support 2 IN   endpoint and 1 OUT endpoint except endpoint0
 · Maximum 2*UART support master or   slave mode with RTS/CTS hardware flow control
 · Maximum 2*TWI supports master or   slave mode
 · Maximum 2*SPI interface controllers.
 · Support 22 Programmable GPIO   interfaces, and 10 analog IOs can also be config as GPIOs.
 · All 22 Programmable GPIOs can be   SIRQs
 · Maximum 9*PWM output integrated
 · 1* infrared remote control RX

Package

 · ATS2819 : LQFP-48, 7mm*7mm*1.4mm
 · ATS2819P : LQFP-64, 7mm*7mm*1.4mm
 · ATS2819S : QFN-48, 6mm*6mm*0.75mm

Application

 · Stereo speakers and speakerphones
 · Bluetooth car audio unit
 · Bluetooth soundbar
 · Bluetooth Smart Voice assistant
 · Other Bluetooth audio applications