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Contents
Peripheral HDMI-CECEdit
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.
DescriptionEdit
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 mappingEdit
The Pin mapping is described in the Pinout table section