
1 Overview
Functionality
Provides USB interface to digital audio I/O.
Supported Standards
USB USB 2.0 (Full-speed and High-speed)
USB Audio Class 1.0
2
USB Audio Class 2.0
3
USB Firmware Upgrade (DFU) 1.1
4
USB Midi Device Class 1.0
5
Audio I2S
S/PDIF
ADAT
MIDI
Supported Sample Frequencies
44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Supported Devices
XMOS Devices XS1 L-Series
XS1 U-Series
Requirements
Development Tools xTIMEcomposer Development Tools
v12 or later
USB
1 x ULPI USB Phy (If using XS1 L-Series)
Audio Audio input/output
DAC/ADC/CODECs supporting I2S
Boot/Storage Compatible SPI Flash device
Licensing and Support
Reference code provided without charge under license from XMOS.
Submit a ticket via http://www.xmos.com/secure/tickets for details.
Reference code is maintained by XMOS Limited.
2
http://www.usb.org/developers/devclass_docs/audio10.pdf
3
http://www.usb.org/developers/devclass_docs/Audio2.0_final.zip
4
http://www.usb.org/developers/devclass_docs/DFU_1.1.pdf
5
http://www.usb.org/developers/devclass_docs/midi10.pdf
REV 6.1
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