FEATURES

? Programmable FastDSP audio processing engine

? Up to 768 kHz sample rate

? Biquad filters, limiters, volume controls, mixing

? Tensilica HiFi 3z DSP core

? Quad MAC per cycle: 24 × 24-bit multiplier and 64-bit accumulator

? Flexible power operation mode: 24.576 MHz, 49.152 MHz,

73.728 MHz, and 98.304 MHz

? 336 kB total memory

? JTAG debug and trace

? Low latency, 24-bit ADCs and DAC

? 106 dB SNR (signal through ADC with A-weighted filter)

? 110 dB combined SNR (signal through DAC and headphone

with A-weighted filter)

? Programmable double precision MAC engine for maximum 24-

stage equalizer

? Serial port sample rates from 8 kHz to 768 kHz

? 5 μs group delay (fS = 768 kHz) analog in to analog out with

FastDSP bypass (zero instructions)

? 3 differential or single-ended analog inputs, configurable as microphone

or line inputs

? 8 digital microphone inputs

? Analog differential audio output, configurable as either line output

or headphone drive

? 2 PDM output channels

? PLL supporting any input clock rate from 30 kHz to 36 MHz

? 4 channel asynchronous sample rate converters (ASRCs)

? 2, 16-channel serial audio ports supporting I2S, left justified, right

justified, or up to TDM16 (TDM12 in Turbo mode)

? 8 interpolators and 8 decimators with flexible routing

? Power supplies

? Digital I/O IOVDD at 1.1 V to 1.98 V

? Digital DVDD at 0.85 V to 1.21 V

? Headphone HPVDD at 1.8 V typical

? Headphone HPVDD_L at 1.2 V to HPVDD

? Control/communication interfaces

? I2C, SPI, or UART control ports

? Master quad SPI (QSPI)

? UART communication port

? Self-boot from QSPI flash

? Flexible GPIO and IRQ

? 56-ball, 0.35 mm pitch, 2.980 mm × 2.679 mm WLCSP

APPLICATIONS

? Noise canceling handsets, headsets, and headphones

? Bluetooth active noise canceling (ANC) handsets, headsets, and

headphones

? Personal navigation devices

? Digital still and video cameras

? Musical instrument effect processors

? Multimedia speaker systems

? Smartphones