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HOTLink II is a trademark of
Cypress Semiconductor Corporation.

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HOTLink II Serial Link Analyzer photograph

Serial Link Analyzer

The HOTLink II™ Serial Link Analyzer (HSLA) is a low-cost data recorder and diagnostics tool for 8b/10b encoded HOTLink systems. Each HSLA consists of hardware and a software that make data capture and analysis quick and easy.

Hardware features

The HSLA uses 64-bit/66 MHz technology to capture and analyze raw HOTLink II data.

HL2View software features

HL2View software offers ease of use with the power to analyze and debug HOTLink II interfaces. See what's on the wire at the touch of a button. The time scale histogram quickly distinguishes idle characters from data characters. The programmable color-coded data display shows time and offset of the data when it was received. Analysis is fast and productive.

Example application:
HOTLink II IR sensor

HOTLink II is an excellent data bus choice for infrared cameras and sensors because it is a two-wire, low-overhead protocol with excellent noise immunity. It is often used in turret mounted IR applications.

The HSLA will help engineers determine (1) link integrity by monitoring 8b/10b encoding and (2) video frame format, including:

  • Frame rate
  • Interline nulls
  • SOM, EOL, and EOM characters
  • Proper pixel encoding


Data packet generator

Easily capture and analyze both simple and complex protocols.

HOTLink II simple packet (no special characters) diagram
Simple packet: no special characters

HOTLink II simple packet (SOM, EOM characters) diagram
Simple packet: SOM and EOM characters

HOTLink II Fiber channel frame diagram
Fiber channel frame

Video frame generator

With the HSLA, easily capture, analyze, and generate complex video formats. The generator is ideal for IR sensor simulation.

HOTLink II Video frame optons diagram
HOTLink II video frame options

Data router

With the HSLA, easily control the HOTLink II data path. The data router allows the user to split, repeat, duplicate, and line spy on both HOTLink II channels.

HOTLink II data router diagram
HOTLink II data router