Inside HDMI: A Look at the Intelligent Interface Controller
EDID and HDCP communicate their requirements over I2C. by Jeff Boccaccio
It is so nice to see more and more people starting to treat the HDMI interface as a partner rather than an opponent.
Informational columns, like this one, have helped immensely in getting people to be comfortable with this interface.
Now, as I am traveling to speaking events, so many of the attendees are, at least, familiar with eye patterns, limitations on distance and even connector integrity.
There is only one area that people still fail to realize and understandthat is, the intelligence side of the interface.
The HDMI interface works really well, provided you give it some kind of decent video data and some logic so it knows what to do.
All of that logic is carried from source to sink by way of a two-wire serial communication channel, called a display data channel (DDC). This is accomplished by using a serial channel that has been around since Paul Revere learned how to ride a horse.
Click here to continue.
EDID and HDCP communicate their requirements over I2C. by Jeff Boccaccio
It is so nice to see more and more people starting to treat the HDMI interface as a partner rather than an opponent.
Informational columns, like this one, have helped immensely in getting people to be comfortable with this interface.
Now, as I am traveling to speaking events, so many of the attendees are, at least, familiar with eye patterns, limitations on distance and even connector integrity.
There is only one area that people still fail to realize and understandthat is, the intelligence side of the interface.
The HDMI interface works really well, provided you give it some kind of decent video data and some logic so it knows what to do.
All of that logic is carried from source to sink by way of a two-wire serial communication channel, called a display data channel (DDC). This is accomplished by using a serial channel that has been around since Paul Revere learned how to ride a horse.
Click here to continue.
