USB Audio Solution Overview
---------------------------


.. table::
 :class: vertical-borders

 +-------------------------------------------------------------------------------------------------------------------------------+
 |                        **Functionality**                                                                                      |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 | Provides USB interface to audio I/O.                                                                                          |
 |                                                                                                                               |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 |                       **Supported Standards**                                                                                 |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +---------------------------------+---------------------------------------------------------------------------------------------+
 |   USB                           | USB 2.0 (Full-speed and High-speed)                                                         |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 | `USB Audio Class 1.0 <http://www.usb.org/developers/devclass_docs/audio10.pdf>`_            |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 | `USB Audio Class 2.0 <http://www.usb.org/developers/devclass_docs/Audio2.0_final.zip>`_     |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 | `USB Firmware Upgrade (DFU) 1.1 <http://www.usb.org/developers/devclass_docs/DFU_1.1.pdf>`_ |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 | `USB Midi Device Class 1.0 <http://www.usb.org/developers/devclass_docs/midi10.pdf>`_       |
 +---------------------------------+---------------------------------------------------------------------------------------------+
 |   Audio                         |   I2S/TDM                                                                                   |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 |   S/PDIF                                                                                    |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 |   ADAT                                                                                      |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 |   Direct Stream Digital (DSD)                                                               |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 |   PDM Microphones                                                                           |
 |                                 +---------------------------------------------------------------------------------------------+
 |                                 |   MIDI                                                                                      |
 +---------------------------------+---------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 |                  **Supported Sample Frequencies**                                                                             |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz                                                            |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 |                             **Supported Devices**                                                                             |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +---------------------------------+---------------------------------------------------------------------------------------------+
 | XMOS Devices                    |   xCORE-200 Series                                                                          |
 +---------------------------------+---------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 |                       **Requirements**                                                                                        |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +---------------------------------+---------------------------------------------------------------------------------------------+
 | Development Tools               | xTIMEcomposer Development Tools v14 or later                                                |
 +---------------------------------+---------------------------------------------------------------------------------------------+
 | USB                             | xCORE-200 Series device with integrated USB Phy                                             |
 +---------------------------------+---------------------------------------------------------------------------------------------+
 | Audio                           | External audio DAC/ADC/CODECs (and required supporting componentry)  supporting I2S/TDM     |    
 +---------------------------------+---------------------------------------------------------------------------------------------+
 | Boot/Storage                    | Compatible SPI Flash device (or xCORE-200 device with internal flash)                       |
 +---------------------------------+---------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 |                       **Licensing and Support**                                                                               |
 +-------------------------------------------------------------------------------------------------------------------------------+
 +-------------------------------------------------------------------------------------------------------------------------------+
 |   Reference code provided without charge under license from XMOS.                                                             |
 +-------------------------------------------------------------------------------------------------------------------------------+
 |   Please visit http://www.xmos.com/support/contact for support.                                                               |
 +-------------------------------------------------------------------------------------------------------------------------------+
 |   Reference code is maintained by XMOS Limited.                                                                               |
 +-------------------------------------------------------------------------------------------------------------------------------+