AN00162: Implementing an I2S loopback using the lib_i2s library

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2.1.1 2026-04-15 v2.1.1 adds building flags for debug information to improve debugger support VIEW HTML VIEW PDF ZIP
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2.1.0 2026-01-06 ZIP ZIP
2.0.1 2025-03-19 Example of how to implement a digital loopback using lib_i2s. App note now uses new lib_board_support to manage hardware interface. ZIP ZIP
INFO

Summary

A simple I2S loopback application that loops back analog input jack(s) to the output jack(s).

Features

  • 8-channel audio loopback (XK-AUDIO-316-MC only)

  • 2-channel audio loopback (XK-EVK-XU316 only)

  • ADC and DAC configuration

  • XC interfaces

  • XC distributable attribute

Known issues

  • None

Required tools

  • XMOS XTC Tools: 15.3.1

Required libraries (dependencies)

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