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Supported Protocols

Supported Protocols

The Saleae Logic software includes the following protocol analyzers:

  • Asynchronous Serial
  • I2C
  • SPI (Serial Peripheral Interface)
  • CAN (Controller Area Network)
  • DMX512
  • I2S Audio / PCM
  • Manchester, Differential Manchester, Bi-Phase Space, and Bi-Phase Mark
  • 1-Wire
  • Synchronous Parallel
  • UNI/O
  • JTAG
  • PS2 Keyboard & Mouse
  • Atmel SWI (Single Wire Interface)
  • LIN (Local Interconnect Network)
  • BISS-C
  • MDIO (Management Data Input/Output)
  • USB Low Speed and Full Speed
  • SMBus (includes PMBus and Smart Battery)
  • HDLC (High-Level Data Link Control)
  • Modbus RTU & ASCII
  • MIDI
  • HD44780 Parallel LCD
  • SWD (ARM Serial Wire Debug)

More Protocol Analyzers

Some Logic users have created their own protocol analyzers. The following list of analyzers are available but not officially supported by Saleae.

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Do all Saleae logic analyzer models support these protocols?

Yes. However, you will need to use a device with sufficient bandwidth to record the original signal. For instance, Logic 4 simply does not have the bandwidth required to capture and decode USB full speed. Logic 4 has a maximum digital bandwidth of 3 MHz, and USB full speed requires a digital bandwidth of at least 12.5 MHz.