USB AUDIO 2.0 REFERENCE DESIGN XMOS, USB AUDIO 2.0 REFERENCE DESIGN Datasheet - Page 3

• Manufacturer Part Number: USB AUDIO 2.0 REFERENCE DESIGN
• Description: USB AUDIO 2.0 REFERENCE DESIGN
• Manufacturer: XMOS

Specifications of USB AUDIO 2.0 REFERENCE DESIGN

• Design Resources: USB AUDIO Schematic
• Main Purpose: Audio, Audio Processing
• Embedded: Yes
• Utilized Ic / Part: XS1-L1
• Primary Attributes: Audio data up to 24-bit @ 192kHz
• Secondary Attributes: I²S and S/PDIF
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 880-1017

USB Audio 2.0 Reference Design, XS1-L1 Edition Hardware Manual (1.0)
The diagram below shows the layout of the main components on the board:
The rest of this document provides a detailed description of each of the main circuit
components.
XMOS XTAG2 debug adapter
USB endpoints use the asynchronous synchronisation mode to allow an external
low jitter audio master clock to be used
Optical digital audio output (S/PDIF)
Stereo line level audio input and output
XMOS XSYS debug header for easy programming/debug from the host using the
Two push-button switches and two LEDs for programmable use
A
B
C
D
E
F
G
XS1-L1 Device
USB Connector/Transceiver
Audio CODEC
Optical digital output
3.5mm Stereo Jack
SPI FLASH
XSYS Debug Interface
B
F
N
B
I
I
J
L
www.xmos.com
K
G
A
M
H
I
J
K
L
M
N
C
Push-Button Switch
Green User LED
USB Power LED
Audio Clocking
1V0 Core Supply
4V3 Analogue Supply
13MHz Oscillator
H
H
D
E
E
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