XMOS xCORE-200 Multi-channel Audio board Design Manual page 13

USB Audio Design Guide 13/110
A green LED (PGOOD) by the USB connector indicates a 3V3 power good signal.
Four general purpose push-button switches are provided. When pressed, each
button creates a connection from the I/O to GND.
A standard XMOS xSYS interface (J2) is provided to allow host debug of the board
via JTAG.
The board also includes Ethernet conextivity, however, this is outside the scope of
this documentation.
XM0088546.1