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

From DAVE Developer's Wiki
Jump to: navigation, search
 
(One intermediate revision by the same user not shown)
Line 3: Line 3:
 
! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History
 
! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History
 
|-  
 
|-  
! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Version
 
 
! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Issue Date
 
! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Issue Date
 
! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Notes
 
! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Notes
 
|-
 
|-
| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |1.0.0
+
| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |2020/12/31
| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Dec 2020
 
 
| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |First Release
 
| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |First Release
 
|-
 
|-
Line 22: Line 20:
 
=== Description  ===
 
=== Description  ===
  
The HDMI-CEC interface available on ETRA SoM is based on STM32MP1 SoC.  
+
The HDMI-CEC interface available on ETRA SOM is based on STM32MP1 SoC.  
  
 
The HDMI-CEC port supports the following standards and features:
 
The HDMI-CEC port supports the following standards and features:

Latest revision as of 11:41, 8 January 2024

History
Issue Date Notes
2020/12/31 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