CONFIDENTIAL ADVANCE INFORMATION Crescendo III SoundBar SoC Product Brief Analog Reinvented rd The Crescendo III SoundBar is a 3 -generation SoC that integrates all soundbar audio and microcontroller (MCU) functions in a 176-pin Low Profile Quad Flat Pack (LQFP) package. For best sound, the Crescendo III SoC is built on the ESS SABRE DAC technology normally found only in high-end audiophile and professional audio equipments to deliver spectacular music with an unsurpassed sound stage, utilizing the ESS patented HyperStream modulator capable of 100% modulation and unconditional stability to drive analog or digital amplifiers. For digital amplifiers, feedback is provided to drastically reduce distortion and non-linearities encountered by open-loop systems. For lowest system BOM, the Crescendo III SoC adopts a unified memory architecture is adopted for lowest memory cost. It integrates a 32-bit RISC to eliminate multiple microcontrollers needed for system, CEC and HDMI repeater control. Additionally, it includes a 64-bit media processor for audio decoding, post-processing, lip-synchronization and sound effects such as virtual surround and bass enhancement, a hardware parametric equalizer (PEQ) for speaker equalization, an automatic gain limiter (AGL) for anti-clipping control, a user-programmable 32-bit Audio Coprocessor for custom sound algorithms, a 7.1-channel patented HyperStream Class D or D/A converter for driving digital or analog power stages, a 3-input HyperStream stereo ADC for connection to line input sources, a stereo MIC ADC for microphone input, a 4-input SPDIF/ARC receiver for connection to coaxial, optical, HDMI and ARC input sources, an 8channel I2S input for connection to HDMI repeater, a flexible remote, VFD and GPIO module for connection to remote control, VFD, buttons and LEDs, and a full-speed USB host controller for firmware upgrade or music playback from thumb drives or iPod. FEATURE Highest integration of all audio and system controller functions in TV soundbar Enhanced 32-bit RISC controller with remote and GPIO handler, VFD controller, I2C master and UART Patented Hyperstream™ PWM/DAC • Output in PWM/DAC/I2S modes • 7.1ch Differential PWM/DAC • Hardware Parametric Equalizer • Hardware AGL Comprehensive Sound Bar Processing • Decode MP3/DD/DTS, etc. • Sound effects • Enhanced Audio Coprocessor w/ 128kB SRAM Versatile Audio Input • 3-input enhanced ADC (50kΩ impedance) • MIC ADC • 4-input SPDIF/ARC receiver • 8-ch I2S input System • FS USB Host BENEFIT Lowest system BOM cost Eliminate multiple MCUs for system, CEC and HDMI control/monitoring • Main MCU for IR, VFD, Keys and system control • CEC MCU for HDMI CEC processing • HDMI MCU/daughter card for HDMI repeater control Eliminate external DSP • Drive analog or digital amplifier and wireless subwoofer transmitter • Realistic audio from tiny speaker/enclosure • Support amplifier anti-clipping Eliminate external DSP • Playback all legacy audio formats • Virtual Surround Speaker, AV sync etc. • More memory for custom algorithms and ease of programming Eliminate external SPDIF receiver & ADC • CD quality analog audio input • Microphone input for Karaoke applications • Connect to optical/coax/HDMI SPDIF or Audio Return Channel • Take HDMI audio in PCM format • Firmware upgrade, playback from iPoD or thumbdrives ESS TECHNOLOGY, INC. 48401 Fremont Blvd., Fremont, CA 94538, USA Tel (510) 492-1088 • Fax (510) 492-1098 CONFIDENTIAL ADVANCE INFORMATION Rev. 0.2 June 25, 2013 Crescendo III SoundBar Product Brief FUNCTIONAL BLOCK DIAGRAM Crescendo III SoC Flash 64-bit Media Processor System Control System CEC Enhanced 32-bit RISC HDMI TV in Line in Aux in MIC In 2ch Audio ADC 50k Rin MIC ADC SPDIF ARC HDMI SPDIF ARC/SPDIF Rx HDMI I2Si 7.1ch I2S in I2So HDMI out HDMI in SDRAM Memory Controller Firmware Upgrade FS USB 2.0 Host GPIO / I2C / VFD / IR GPIO / I2C / VFD / IR Video Encoder CVBS (for debugging or sound tuning) Audio Coprocessor Module 128kB RAM Custom Algorithms Enhanced PEQ Speaker Filter Enhanced DRC 7.1ch Differential PWM/DAC Power Stage HDMI Repeater No part of this publication may be reproduced, stored in a retrieval system, transmitted, or translated in any form or by any means, electronic, mechanical, manual, optical, or otherwise, without the prior written permission of ESS Technology, Inc. ESS Technology, Inc. makes no representations or warranties regarding the content of this document. All specifications are subject to change without prior notice. ESS Technology, Inc. assumes no responsibility for any errors contained herein. U.S. patents pending. ESS TECHNOLOGY, INC. 48401 Fremont Blvd., Fremont, CA 94538, USA Tel (510) 492-1088 • Fax (510) 492-1098 2