MediaGuard™ Product Applications

Thank you for your interest in California Micro Devices' family of MediaGuard™ HDMI port protection and interface devices. This page contains information to assist you with designing your application using MediaGuard™ devices.

Getting Up-to-date Design Information

The latest version of the MediaGuard design guideline documents can be downloaded by clicking here (zip file) or individually through the links below.

Design Review Services Available

CMD is offering an in-house TDR testing and design review service to assist you with your next HDMI design. For further information, please contact CMD's Consumer Electronics Product Support directly at 1-408-934-3121.

MediaGuard™ Design Resources

Datasheets

• CM2020 HDMI Transmitter Port Protection and Interface Device -- For HDMI Source Applications (PDF)
• CM2021 HDMI Receiver Port Protection and Interface Device -- For HDMI Sink Applications (PDF)
• CM2030 HDMI Transmitter Port Protection and Interface Device -- For HDMI Source Applications (PDF)
• CM2031 HDMI Receiver Port Protection and Interface Device -- For HDMI Sink Applications (PDF)

White Papers

• Interface Protection for HDMI -- General rationale for Integrated MediaGuard vs. Discrete Implementations (PDF)

Application Information

• CM2020 and CM2021 Application Considerations -- Discusses specific implementation issues for both CM2021 and CM2021 (PDF)
• MediaGuard™ Implementation Frequently Asked Questions -- Common implementation issues (PDF)
• PCB Layout Considerations -- Discusses PCB layout options for surface mount and pin through hole HDMI connectors (PDF)
• HDMI Comparative Trace Impedance Demonstration Board -- Describes how to predict and measure TDR results with MediaGuard™ (PDF)
• HDMI EDID EEPROM Considerations with MediaGuard™ Interface Protection ICs -- Discusses how to configure power and isolation options for HDMI Sink Applications (PDF)
• Signal Integrity Compliance on Active DDC/CEC Lines -- A proposal for HDMI CTS enhancement (PDF)