XK-USB-AUDIO-U16-MC-AB

U16 MULTI-CHANNEL AUDIO REFERENCE DESIGN Multi-channel analog and digital USB Audio Class 2 reference design FEATURES  Complete hardware and software USB audio reference design o 8 channel analog input and output o S/PDIF or ADAT input and output o MIDI input and output o 18in/8out digital audio mixer  USB compliant device o High-Speed USB device Optional Full-Speed fall-back o USB Audio Class 2.0 device Optional Audio Class 1.0 fall-back o Self- or bus-powered  Bit perfect USB audio transfer o Asynchronous Isochronous from host o Adaptive Isochronous to host o PCM ≤192kHz at 16, 24 or 32bits o Local crystal audio clocking o PLL recovery of digital audio clock  Multiple OS support o Windows o Mac OS X o Android o Apple iOS  Royalty free software stack o Provided as source code The Multi-Channel Audio Reference Design is a complete USB audio device reference design for multi-channel audio applications. The reference design uses the XS1-U16 multicore microcontroller; an XMOS xCORE-USB™ device with an integrated High Speed USB 2.0 PHY and 16 logical cores delivering 1000MIPS of deterministic and responsive processing power. Exploiting the flexible programmability of the xCORE™ architecture, the reference design supports USB audio streaming of up to 20 channels at 192kHz, and includes 18in/8out audio mixing functionality. The guaranteed Hardware-Response™ times of xCORE technology always ensure low latency (round trip as low as 3ms), bit perfect audio streaming to and from the USB host. Delivered as source code, the reference software provides a fully featured production ready solution, including support for: Full- and HighSpeed USB operation, USB Audio Class 2.0 & 1.0, MIDI, HID and DFU classes. The XMOS xTIMEcomposer™ Studio development suite and tools then allow for quick and easy software development and customization to add additional application specific features. U16 Multi-Channel Audio Reference Design PRODUCT BRIEF U16 MULTI-CHANNEL AUDIO REFERENCE DESIGN BLOCK DIAGRAM xCORE-USB XS1-U16 XUD XMOS as USB Device USB Audio Class 2.0 Power supply Buttons LEDs Mixer System control Crystal & PLL I²S input 8 channel ADC I²S output 8 channel DAC S/PDIF in MIDI S/PDIF out Clock control MIDI in/output U16 Multi-Channel Audio Reference Design 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 X1 and Apple iOS2 Multiple driver vendors for Windows3 Android4 Multi-channel audio input and output Digital and analogue audio formats Multi-channel audio mixing5 Functionality ideally suited for Mac/PC/Apple/Android based audio recording and playback interfaces Local clocking Asynchronous USB audio transfer Low jitter, high quality audio capture and playback Powered by xCORE-USB multicore microcontroller Flexible, deterministic and responsive processing power Low audio USB round trip latency (