• ATS2815是一款高集成度的单芯片蓝牙音频设备，它还可以作为传统的卡片式扬声器和读卡器进行数据传输。ATS2815集成了高性能收发器，丰富的基带处理器和蓝牙音频配置。支持V4.2，2.1 + EDR，向下兼容蓝牙V1.1／1.2／2.0。
• ATS815集成高质量和低延时SBC解码器和CVSD编解码器。它还支持PLCtechnique和AEC语音通话提供高音频质量。
• ATS2815集成了一套完整的电源管理系统，具有灵活的内存配置，以及丰富的接口，如SD/MMC卡/USB／UART／TWI等。它还具有最小的封装和最紧凑的BOM。
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详细参数
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System
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• 156MHz 32bit RISC processor Core
• Internal RAM for data and program storage
• 4-channel DMA, including DMA0, DMA1, DMA2 and DMA3, 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
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Audio
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• Built-in stereo 16-bit input sigma-delta DACs, SNR>92dB, SNR (A-Weighting)>95dB, THD+N < -81dB
• Built-in mono 16-bit input sigma-delta ADC, SNR>85dB, SNR(A-Weighting)>88dB, THD+N < -72dB
• DAC supports sample rate of 8k/12k/11.025k/16k/22.05k/24k/32k/44.1k/48kHz
• ADC supports sample rate of 8k/12k/11.025k/16k/22.05k/24k/32k/44.1k/48kHz
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Bluetooth
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• Compatible with Bluetooth 2.1+EDR
• Support all packet types in basic rate and enhanced data rate
• Support SCO/eSCO link
• Support secure simple pairing
• Support low power mode (sniff/sniff sub-rating)
• Bluetooth Piconet and Scatternet support
• Maximum Bluetooth TX power: >4dBm
• Bluetooth RX sensitivity: <-88dBm
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Power Management
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• Support Li-Ion battery power supply with battery insert wake up.
• Support power on button & reset button.
• Linear regulator output VCC.
• Linear regulators outputs AVCC, VDD
• Standby current 35uA (typical).
• Low resolution 7-bit A/D converters for system monitor and wire-control.
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Physical Interfaces
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• 1*SD/MMC/eMMC card interface
• USB1.1FS host or device, support 2 IN endpoint and 1 OUT endpoint except endpoint0
• 1*UART support master or slave mode with RTS/CTS hardware flow control
• 1*TWI supports slave function
• Support 15 GPIO interfaces
• 2*SIRQ supported
• 1*PWM output integrated
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Package
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• QFN-40, 5mm*5mm
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Application
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• Stereo speakers and speakerphones
• Bluetooth car audio unit
• Other Bluetooth applications
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