Audio Class - XMOS xCORE-200 Multi-channel Audio board Design Manual

USB Audio Design Guide
Macro MAX_FREQ
Description Max supported sample frequency for device (Hz).
Default: 192000
Macro MIN_FREQ
Min supported sample frequency for device (Hz).
Description
Default 44100
Macro DEFAULT_FREQ
Description Default device sample frequency.
A safe default should be used. Default: MIN_FREQ
Macro MCLK_441
Description Master clock defines for 44100 rates (in Hz).
Default: NONE (Must be defined by app)
Macro MCLK_48
Description Master clock defines for 48000 rates (in Hz).
Default: NONE (Must be defined by app)

7.1.4 Audio Class

Macro AUDIO_CLASS
Description USB Audio Class Version.
Default: 2 (Audio Class version 2.0)
Macro AUDIO_CLASS_FALLBACK
Description Whether or not to fall back to Audio Class 1.0 in USB Full-speed.
Default: 0 (Disabled)
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