xcore - audio hi - res 2 product brief affordable hi - resolution audio processing for everyone features ? usb: 2 high resolution channels out o up to 384 k hz (44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384) sample rates o asynchronous isochronous transfer s ? codec: i2s or dsd o 16, 24, or 32 bit pcm o dop64 and dop128 ? ? optional s/pdif output o up to 192 k hz , 16/24 bit reso lution ? flexible integration and control o 8 g pio system control o 8 gpi for hmi with optional hid inputs o i2c master for configuration and control ? ? multiple os support o windows o mac os x ? o apple ios (host mode) ? o android ? field upgrade capability ? ? power o bus/self powered o consumption: 400 mw ? ? tqfp64 package ? the xcore - audio? hi - res 2 offers high resolution stereo audio interfacing to deliver precise output with low noise/distortion for soothing, high - quality sound at a price - point for mass - market consumer audio applications. the xcore - audio hi - res 2 supports the full range of high r es olution file formats, in cluding pcm audio encoded at 384khz/32 - bit and dsd 2.8 mhz/5.6 mhz audio from any suitable source . the built - in usb interface uses superior asynchronous isochronous transfers to ensure bit - perfect audio reproduction from a wide array of digital devices, including ipo d ? /iph one ? /ipad ? , pc or mac ? . example android and ios applications and a free windows uac2 stereo driver are available. the xcore - audio hi - res 2 is configurable and customizable. eight gpio are available for implementing human machine interfaces (hmi) and/or the control of external audio dac devices. an i2c port is provided for system configuration. the xcore - audio hi - res 2 is packaged in an easy - to - use 64 pin tqfp for low - cost system integration.
? 2015 xmos ltd third party trademarks are hereby acknowledged. this is a preliminary product brief, contents are subject to change. xm - 007669 - pb | 2015 - 07 - 06 application areas ? headphone amplifiers ? tablet docks ? usb speakers ? audio dacs ? pc sound cards ? hi resolution speakers xcore - audio hi - res dac/hpa platform feature benefit high - speed usb 2.0 device plug - and - play operation bus - or self - powered usb audio class 2.0 compliant driverless operation with mac os x 1 and android 2 multiple driver vendors for windows 2 - channel strea ming from host at up to 384 khz pcm highest resolution stereo playback local clocking asynchronous usb audio transfer low jitter, high quality audio capture and playback highly integrated lowest total system cost and smallest form - factors 1 : mac os x v10.6 .4 and later provides native usb audio class 2.0 support. 2 : requires that android device is usb host with usb audio class support . tested against: samsung galaxy s3, s4, note, sony xperia z1, htc one. ordering information for a list of xmos distributors, please visit www.xmos.com/support/distributors . part number contents xhra - 2hpa - tq64 - c xcore - audio hires - 2 p rocessor (xhra - 2) xk - usb - audio - hpa xcore - audio hi - res dac/ hpa platform
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