XMOS xCORE-200 Multi-channel Audio board Design Manual page 97

USB Audio Design Guide
Macro STREAM_FORMAT_OUTPUT_2_DATAFORMAT
Description Sample audio data-format if output stream Alternate 2.
Default: UAC_FORMAT_TYPEI_RAW_DATA when Alternate 2 is RAW/DSD else
UAC_FORMAT_TYPEI_PCM
Macro STREAM_FORMAT_OUTPUT_3_DATAFORMAT
Description Sample audio data-format if output stream Alternate 3.
Default: UAC_FORMAT_TYPEI_RAW_DATA when Alternate 3 is RAW/DSD else
UAC_FORMAT_TYPEI_PCM
7.1.7.2 Input/Recording
Macro INPUT_FORMAT_COUNT
Description Number of supported input stream formats.
Default: 1
Macro STREAM_FORMAT_INPUT_1_RESOLUTION_BITS
Description Sample resolution (bits) of input stream Alternate 1.
Default: 24
Macro HS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES
Description Sample sub-slot size (bytes) of input stream Alternate 1 when running in high-
speed.
Default: 4 if resolution for Alternate 1 is 24bits, else resolution / 8
Note, the default catchs the 24bit special case where 4-byte subslot is nicer
for our 32-bit machine. Typically do not care about this extra bus overhead at
High-speed
Macro FS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES
XM0088546.1
97/110
Continued on next page