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Saleae Support
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Getting Started
User Guide
Software
Protocol Analyzers
- Supported Protocols
- Analyzer User Guides
  Async Serial Analyzer - User Guide
  Decode UART
  Decode RS-232, RS-485, & RS-422
  SPI Analyzer - User Guide
  I2C Analyzer - User Guide
  CAN Analyzer - User Guide
  Simple Parallel Analyzer - User Guide
  I2S / PCM Analyzer - User Guide
  DMX-512 Analyzer - User Guide
  SMBus Analyzer - User Guide
  Decode Differential and High Voltage Data
Software Extensions
Automation & Analyzer SDK
Datasheets & Specifications
Troubleshooting
FAQ
- Technical FAQ
  System Requirements for Saleae Products
  What Is the Normal Behavior of the LED?
  What Is the Difference between Logic/Logic16 (Gen1) and Logic 8/Pro 8/Pro 16 (Gen2)?
  Recommended USB 3.0 Host Controller Cards
  Device Settings Configuration Tips
  What Is the Worst Case Channel to Channel Skew?
  What is Asynchronous Sampling?
  Which Saleae Products Can Decode 4-Bit Parallel LCD Communications?
  How Can I Compare Two Clock Signals for Synchronization and Drift?
  Converting I2S/PCM Captures into Audio
  My Capture Shows an Uneven Duty Cycle
  Can I Create or Edit .logicdata Files?
  Can Saleae Logic Run on ARM / Apple Processors?
  What Annotations Are Supported?
  Time & Memory Saving Tools
  How Can I Record Power Consumption?
  Moving Logic to Its Own Host Controller
  How Long Does It Take to Save a File?
  XMonad on Linux Causes Issues
  What Is the Maximum Bandwidth of Logic?
  How Long Can I Record Data?
  Can I Export Protocol Results Between Timing Markers?
  Can I Generate an Analog Graph from Digital Data?
  Time Measurement Error
  Can These Products Replace an Oscilloscope?
  Can I Use Multiple Logics on a Single PC?
  Native Windowing Features Are Not Working Such as Snap or Gestures
  Opening .logicdata Capture Files
  How to Choose the Right Logic Analyzer for You
  Saleae Open Source Support
  How to Trigger the End of a Capture Instead of the Start
  Using the Hardware with USB Extension Cables, Through Virtual Machines, or Ethernet Extenders
  Are the Ground Pins Required for Each Input Used?
  Can Saleae Products Output Data?
  Resolution of the Analog Inputs
  What Sampling Rate Should I Use?
  Can I Share Data Captures with Others?
  Binary Export Format (Digital) - Logic 1.x
  MATLAB Data Export Format - Legacy Logic 1.x
  Recording Multiple Protocols at the Same Time
  Changing the Display Radix (Base)
  Which Logic Analyzer Should I Get?
  How to View and Debug Firmware Variables, State, and Function Calls
  Using Saleae Logic Devices with Third-Party Pattern Generators
  Can Logic Operate with a Full-Speed USB Isolator?
  Which Saleae Devices Support Analog Recording?
  How to Manage Protocol Analyzers when Using the Socket API
  How to Export Serial Protocol Results to a Raw Binary File
  How to Trigger On a Pulse with No Maximum Time Limit - Logic 1.x
  Finding Your USB 3.0 Host Controller Information
  Logic Reports Different USB Current Requirements
  Is It Possible to Adjust the Logic Thresholds for the Digital Inputs?
  Why Does Channel 0 Use a Black Wire?
  Software Shows Multiple Logic Analyzers Attached
  Are the Input Channels Isolated from Each Other?
  Are There Feature Differences in the Software when Different Logic Analyzers Are Used?
  Packet Level Decoding Support in the Analyzer SDK
  What Higher-Level Protocol Analysis Features Are Available?
  Support for USB 3.0 and USB 3.1
  How Can I Compare Signals from Different Captures?
  Do the Saleae Logic Analyzers Support Trigger Out?
  Why is the Length of my Capture Incorrect?
  The Options Button is Missing
  Can I Change the Voltage Range of the Analog Inputs?
  How Does the ASCII Radix Display Characters?
  Do I Have a USB 3.0 Port?
  What Is the Best Way to Compare Similar Sequences of Protocol Data?
  Which Version of the Software Should I Use?
  Import Custom Low Level Analyzer
  OSX Analyzer SDK Xcode Setup
  Can Custom Analyzers Process Analog Channels?
  Automating Long Overnight Captures
  What Options Are There to Export Multiple Protocol Analyzer Results into the Same File?
  Do the Saleae Devices Support AC Coupling?
  Suggestions for Capturing Multiple Instances of a Triggered Event Automatically
  How Many Protocol Analyzers Can Be Used at Once?
  Is It Possible to Run the Saleae Software on a PC without SSE2 Instructions?
  Is It Possible to Import Data into the Logic Software?
  How Do I Convert Exported CSV Analog Data in Voltages?
  Is There Cross-Platform Support for the SaleaeSocketApi C# Project
  Why Does Logic Get Warm?
  Binary Export Format (Analog) - Logic 1.x
  Electrical Isolation Suggestions
  FCC and CE Testing Recommendations
  'Save Capture' and 'Export Data' is Disabled in the Software
  File Format Description for Exporting Protocol Analyzer Results
  Is There a Newer Version of the Software Available?
  Is There a Way to Change the Window Resolution?
  How Can I Extract Recorded Data Using Socket API?
  Does the Software Support Windows 10 Tablets or Windows RT Tablets?
  Standalone Software Information
  Does the Saleae Software Support the Original Logic and Logic 16?
  Timing Markers Disappear When I Start a New Capture
  What Sample Rate Settings Are Available? Can I Sample at a Slower Rate?
  How Do I Differentiate Data in the Export File when Duplicate Analyzers Are Used?
  Running Multiple Versions of the Software
  Test Clip Differences - Gen 1 & Gen 2
  USB-C Cable Recommendations
  Is My Capture Data Private?
  Ethernet Connectivity Suggestions
  Binary Export Format - Logic 2
  Viewing I2C Addresses as 8-bit
  Can I use Python Packages in my Custom Extension?
  Are the Inputs Synchronously Sampled or Sweep Sampled?
  Is Logic Affected by the Log4j Exploit?
  Connecting Remotely with SSH
  Is Silent Installation Supported?
  Is the .sal File Format Documented?
  Export Data via Socket API
- General FAQ
  How Do I Get More Help on an Issue That's Outside the Scope of Saleae Support?
  How to Identify Each Saleae Device
  License for the Saleae Logic Software, SDKs, and APIs
  How Do You Pronounce Saleae?
  How to Create Project Content for Saleae
Returns & Warranty
- Submit a Warranty Claim
Community
Tutorials

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Learn I2S / PCM

Previous1-Wire NextManagement Data Input/Output (MDIO)

Last updated 3 years ago

Inter-IC Sound (I2S / PCM)

I2S is a synchronous serial bus used for digital audio. It typically consists of a data, clock, and word select line.

Top Resources

Wikipedia
SparkFun I2S Spec
I2S to MSP430 Tutorial

Example I2S / PCM Parts

Stereo ADC
MP3 and MIDI Codec
Teensy 3.0
AM/FM Radio IC

What Logic Decodes

Serial Clock
World Select Line (WS)
Serial Data Line (SD)
Left and right audio