Application Notes

These application notes are for xcore^®-200 and may not have been tested for compatibility with xcore^®.ai. To develop with xcore.ai, our recommendation would be to use the xcore^® SDK.

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Audio examples

Title	Number	Version	Date	Download
Extending USB Audio with Digital Signal Processing	AN01008	2.0.0	2023-10-03	App Note	AN01008: Extending USB Audio with Digital Signal Processing
Microphone array phase-aligned capture example	AN00220	1.0.3	2017-02-02	App Note Software	AN00220: Microphone array phase-aligned capture example
Low Resolution Delay and Sum	AN00219	1.0.3	2017-02-02	App Note Software	AN00219: Low Resolution Delay and Sum
High Resolution Delay and Sum	AN00218	1.0.3	2017-02-02	App Note Software	AN00218: High Resolution Delay and Sum
High Resolution Delay Example	AN00217	1.0.3	2017-02-02	App Note Software	AN00217: High Resolution Delay Example
Using the I2S library	AN00162	1.0.3	2017-01-05	App Note Software	AN00162: Using the I2S library
SPDIF Receive to I2S output using Asynchronous Sample Rate Conversion	AN00231	1.0.1	2016-07-29	App Note Software	AN00231: SPDIF Receive to I2S output using Asynchronous Sample Rate Conversion
Porting the XMOS USB 2.0 Audio Reference Software onto XU208 custom hardware	AN01027	1.0.0	2016-06-07	App Note	AN01027: Porting the XMOS USB 2.0 Audio Reference Software onto XU208 custom hardware
ADAT - Replacing Wavefront AL1401/402 with xCORE	AN01004	1.0.1	2016-01-11	App Note	AN01004: ADAT - Replacing Wavefront AL1401/402 with xCORE
Optimizing USB Audio for stereo output, battery powered devices	AN01009	1.0.2	2016-01-08	App Note	AN01009: Optimizing USB Audio for stereo output, battery powered devices
Enabling DSD256 in the USB Audio 2.0 Device Reference Design Software	AN00103	1.0.2	2016-01-08	App Note	AN00103: Enabling DSD256 in the USB Audio 2.0 Device Reference Design Software
A startKIT audio effects demo	AN00201	1.0.2	2016-01-08	App Note Software	AN00201: A startKIT audio effects demo

Chip/Device management

Title	Number	Version	Date	Download
SPI Slave Boot Loader	AN00238	1.0.2	2017-03-20	App Note Software	AN00238: SPI Slave Boot Loader
Multiple Firmware Booting	AN00109	1.0.1	2016-01-11	App Note	AN00109: Multiple Firmware Booting
Random numbers on the XS1-L1	AN01007	1.0.2	2016-01-08	App Note	AN01007: Random numbers on the XS1-L1
Using flash memory for persistent storage	AN00154	1.0.1	2016-01-08	App Note Software	AN00154: Using flash memory for persistent storage
Estimating Power Consumption For XS1-L Devices	AN01005	1.0.2	2016-01-08	App Note	AN01005: Estimating Power Consumption For XS1-L Devices
XS1-L Clock Frequency Control	AN01006	1.0.1	2016-01-08	App Note	AN01006: XS1-L Clock Frequency Control
Programming OTP memory via SPI boot	AN00153	1.0.2	2016-01-08	App Note Software	AN00153: Programming OTP memory via SPI boot

Debugging how-tos

Title	Number	Version	Date	Download
Using memory for debug message logging	AN00214	1.0.1	2016-01-08	App Note Software	AN00214: Using memory for debug message logging

Display examples

Title	Number	Version	Date	Download
How to use the LCD library	AN00168	1.0.1	2016-01-08	App Note Software	AN00168: How to use the LCD library

DSP

Title	Number	Version	Date	Download
xCORE-200 DSP Elements Library	AN00209	3.0.0	2016-09-21	App Note Software	AN00209: xCORE-200 DSP Elements Library
DSP performance on XS1-L devices	AN01011	1.0.1	2016-01-08	App Note	AN01011: DSP performance on XS1-L devices

Multi-feature case studies

Title	Number	Version	Date	Download
Interfacing High Speed ADCs with xCORE	AN01021	1.0.2	2016-01-08	App Note Software	AN01021: Interfacing High Speed ADCs with xCORE
eCos on xCORE	AN00112	1.0.2	2016-01-08	App Note Software	AN00112: eCos on xCORE

Networking examples

Title	Number	Version	Date	Download
XMOS Gigabit Ethernet application note	AN00199	1.0.2	2017-02-02	App Note Software	AN00199: XMOS Gigabit Ethernet application note
XMOS 100Mbit Ethernet application note	AN00120	2.0.2	2017-02-02	App Note Software	AN00120: XMOS 100Mbit Ethernet application note
Optimizing start-up time in AVB endpoints	AN00111	1.0.2	2016-11-28	App Note	AN00111: Optimizing start-up time in AVB endpoints
Using the XMOS embedded webserver library	AN00122	2.0.1	2016-01-08	App Note Software	AN00122: Using the XMOS embedded webserver library
100Mbit Ethernet AVB endpoint example using I2S master	AN01032	1.0.1	2016-01-08	App Note Software	AN01032: 100Mbit Ethernet AVB endpoint example using I2S master
Using XMOS TCP/IP Library for UDP-based Networking	AN00121	2.0.1	2016-01-08	App Note Software	AN00121: Using XMOS TCP/IP Library for UDP-based Networking
Gigabit Ethernet AVB endpoint example using TDM master	AN00203	1.0.3	2016-01-08	App Note Software	AN00203: Gigabit Ethernet AVB endpoint example using TDM master
MPEG Transport Stream over Ethernet AVB	AN00110	1.0.1	2016-01-08	App Note	AN00110: MPEG Transport Stream over Ethernet AVB
Gigabit Ethernet AVB endpoint example using I2S master	AN00202	1.0.3	2016-01-08	App Note Software	AN00202: Gigabit Ethernet AVB endpoint example using I2S master
Adding TCP/IP to AVB	AN01001	1.0.2	2016-01-08	App Note	AN01001: Adding TCP/IP to AVB

Programming how-tos

Title	Number	Version	Date	Download
Using the logging library	AN00239	1.0.0	2016-10-27	App Note Software	AN00239: Using the logging library
xCONNECT dynamic configuration demo	AN01024	1.0.1	2016-01-08	App Note Software	AN01024: xCONNECT dynamic configuration demo

Serial peripheral examples

Title	Number	Version	Date	Download
How to use the I2C slave library	AN00157	1.0.3	2016-11-01	App Note Software	AN00157: How to use the I2C slave library
How to use the I2C master library	AN00156	1.0.3	2016-11-01	App Note Software	AN00156: How to use the I2C master library
How to use the SPI library as SPI slave	AN00161	1.0.1	2016-01-08	App Note Software	AN00161: How to use the SPI library as SPI slave
How to use the SPI library as SPI master	AN00160	1.0.1	2016-01-08	App Note Software	AN00160: How to use the SPI library as SPI master

sliceKIT examples

Title	Number	Version	Date	Download
USB CDC Class as Virtual Serial Port - Extended on sliceKIT	AN00183	1.0.2	2016-01-08	App Note Software	AN00183: USB CDC Class as Virtual Serial Port - Extended on sliceKIT
USB HID Class - Extended on sliceKIT	AN00130	2.0.2	2016-01-08	App Note Software	AN00130: USB HID Class - Extended on sliceKIT

startKIT examples

Title	Number	Version	Date	Download
A startKIT tic-tac-toe demo	AN00176	1.0.1	2016-01-08	App Note Software	AN00176: A startKIT tic-tac-toe demo
A startKIT LED demo	AN00175	1.0.1	2016-01-08	App Note Software	AN00175: A startKIT LED demo
A startKIT glowing LED demo	AN00174	1.0.1	2016-01-08	App Note Software	AN00174: A startKIT glowing LED demo
A startKIT ADC demo	AN00177	1.0.1	2016-01-08	App Note Software	AN00177: A startKIT ADC demo

USB examples

Title	Number	Version	Date	Download
USB CDC Class as Virtual Serial Port - Extended on xCORE-200 Explorer	AN00184	1.0.2	2016-01-08	App Note Software	AN00184: USB CDC Class as Virtual Serial Port - Extended on xCORE-200 Explorer
USB HID Class - Extended on xCORE-200 Explorer	AN00182	1.1.2	2016-01-08	App Note Software	AN00182: USB HID Class - Extended on xCORE-200 Explorer
USB HID Class	AN00129	2.0.2	2016-01-08	App Note Software	AN00129: USB HID Class
USB Image Device Class	AN00132	2.0.2	2016-01-08	App Note Software	AN00132: USB Image Device Class
USB Video Class Device	AN00127	2.0.2	2016-01-08	App Note Software	AN00127: USB Video Class Device
USB Mass Storage Device Class	AN00125	2.0.2	2016-01-08	App Note Software	AN00125: USB Mass Storage Device Class
USB CDC Class as Virtual Serial Port	AN00124	2.0.2	2016-01-08	App Note Software	AN00124: USB CDC Class as Virtual Serial Port
USB CDC-ECM Class for Ethernet over USB	AN00131	2.0.2	2016-01-08	App Note Software	AN00131: USB CDC-ECM Class for Ethernet over USB
USB Printer Device Class	AN00126	2.0.2	2016-01-08	App Note Software	AN00126: USB Printer Device Class
USB Test and Measurement Device	AN00135	2.0.2	2016-01-08	App Note Software	AN00135: USB Test and Measurement Device
USB Vendor Specific Device	AN00136	2.1.2	2016-01-08	App Note Software	AN00136: USB Vendor Specific Device

VocalFusion

Title	Number	Version	Date	Download
Adding far-end audio processing to xCORE VocalFusion (with software)	AN00240	1.1.0	2018-09-14	App Note	AN00240: Adding far-end audio processing to xCORE VocalFusion (with software)

xCORE-200 explorerKIT

Title	Number	Version	Date	Download
Using QuadSPI flash memory for persistent storage with xCORE-200	AN00188	1.0.2	2016-03-31	App Note Software	AN00188: Using QuadSPI flash memory for persistent storage with xCORE-200
xCORE-200 explorer - Accelerometer	AN00181	1.0.1	2016-01-08	App Note Software	AN00181: xCORE-200 explorer - Accelerometer
xCORE-200 explorer - Simple GPIO	AN00155	1.0.1	2016-01-08	App Note Software	AN00155: xCORE-200 explorer - Simple GPIO
Using QuadSPI for application overlay data	AN00189	1.0.1	2016-01-08	App Note Software	AN00189: Using QuadSPI for application overlay data
Boot an xCORE-200 device from QuadSPI flash memory	AN00185	1.0.1	2016-01-08	App Note Software	AN00185: Boot an xCORE-200 device from QuadSPI flash memory

xSCOPE examples

Title	Number	Version	Date	Download
xSCOPE - Bi-Directional Endpoint	AN00152	1.0.2	2016-01-08	App Note Software	AN00152: xSCOPE - Bi-Directional Endpoint
xSCOPE - Custom Host Endpoint	AN00151	1.0.2	2016-01-08	App Note Software	AN00151: xSCOPE - Custom Host Endpoint