Difference between revisions of "ETRA SOM/ETRA Hardware/Peripherals/HDMI-CEC"

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Revision as of 13:24, 31 December 2020

History
Version Issue Date Notes
1.0.0 Dec 2020 First Release



Peripheral HDMI-CEC[edit | edit source]

Consumer electronics control (CEC) is part of HDMI (high-definition multimedia interface) standard as appendix supplement 1. It contains a protocol that provides high-level control functions between various audiovisual products.

Description[edit | edit source]

The HDMI-CEC interface available on ETRA SoM is based on STM32MP1 SoC.

The HDMI-CEC port supports the following standards and features:

  • complies with HDMI-CEC v1.4 specification
  • independent 32 kHz CEC kernel
  • works in Stop mode for ultra-low-power applications
  • Arbitration lost detection with automatic trasmission retry

Pin mapping[edit | edit source]

The Pin mapping is described in the Pinout table section