ATS2853

System

  · 32bit RISC processor Core, up to 240MHz.
  · Internal 203KB RAM for data and program storage
  · Internal 2MByte Nor flash
  · Support 24MHz OSC with on-chip PLL
  · Internal 32KHz RC oscillator
  · 8-channel ordinary DMA, support for transmission in burst 8 mode
  · Fully configurable PEQ, up to 20 segments
  · Support for echo cancellation and noise reduction
  · Support for packet loss concealment
  · Support USB/SDCard/Uart firmware upgrade
  · Support FFT/FIR/IIR hardware computing units
  · Support AES-128/192/256 Encrypt and Decrypt in ECB/CTR/CBC/CBC-CTS mode
  · Support hardware TRNG used to produce random bits
  · Support CRC-16/32

Bluetooth

  · Supports   Bluetooth V5.0
  · Support Bluetooth5.0, compatible with Bluetooth4.2/4.2 LE/4.0/2.1 + EDR system
  · Max transmitting output power: 8dBm
  · Bluetooth receiving sensitivity: -93dBm@GFSK, -92dBm@π/4 DQPSK, -87dBm@8DPSK modulation
  · Compatible with AVRCP Profile V1.6
  · Compatible with A2DP Profile V1.3
  · Compatible with HFP Profile V1.7
  · Support for SBC & AAC Bluetooth audio transmission format
  · Support for mSBC broadband speech coding
  · 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
  · Supports Power/Enhanced Power Control
  · LE Data Packet Length Extension
  · Extended Scanner Filter Policies
  · LE 2M PHY
  · LE Extended Advertising
  · LE Periodic Advertising
  · Channel Selection Algorithm #2

Audio

  · Built-in stereo 24-bit input sigma-delta DACs, SNR (A-Weighting)>=100dB, THD+N <= -85dB@0dBFS output amplitude
  · DAC supports sample rate of 8k/11.025k /12k/16k/22.05k/24k/32k/44.1k/48k/88.2k/96kHz
  · Build in stereo 20mW PA (Power Amplifier) for headphone. PA output supports traditional mode & direct-drive mode (for earphone)
  · Support differential audio output for speaker PA
  · Built-in stereo 24-bit input sigma-delta ADC, SNR(A-Weighting)>=98dB, THD+N <= -89dB
  · ADC supports sample rate of 8k/11.025k /12k/16k/22.05k/24k/32k/44.1k/48k/88.2k/96kHz
  · All input Support Single-Ended or differential input.
  · Support 3 pairs input 0/1/2; each pair can be formed as mix or differential input.
  · Support 2 DMIC input;
  · 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 SPDIF TX , SPDIF RX and CEC
  · Support Voice Active Trigger

Power Management

  · Support Li-Ion battery power supply with battery insert wake up.
  · Support power on button & reset button.
  · Standby power RTCVDD, SVCC.
  · Integrated DC-DC buck converters output VD15 from BAT.
  · Linear regulators outputs VCC, SVCC, VD15, AVCC.
  · Standby current 20uA (typical).
  · One 10-bit A/D converter for system monitor and wire-control, 12 channels can be externally used by user. The ADC sample rate can support 2/4/8KHz per channel.
  · 2*WIO which can used for ADC key or waking up IC to running mode from deep sleep mode.
  · 2 *External wakeup signals which can used for waking up IC to running mode from light sleep mode.

Physical   Interfaces

  · Maximum 2*SD/MMC/eMMC card interface
  · USB2.0 FS host or device, support 3 IN endpoint and 2 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
  · 1*SPI interface controller for external use.
  · Support 24 Programmable GPIO interfaces, and 10 analog IOs can also be config as GPIOs.
  · All 24 Programmable GPIOs can be SIRQs
  · Maximum 9*PWM output integrated
  · 1* infrared remote control RX

Package

  · QFN-48, 6mm*6mm*0.75mm

Display

  · 7/8pin Segment Matrix LED
  · 5com 8seg LED
  · Support 1/3Bias, 3COM、4 COM , maximum 9SEG SEG_LCD Driver
  · Support LCD with 8bit CPU Interface