
AN3127
Doc ID 16896 Rev 2
Glossary of terms
Broadcast message:
a message sent to logical address 15 that all devices are expected to
receive.
Destination:
the target device for a CEC message.
Follower:
a device that has just received a CEC message and is required to respond to it.
Initiator:
the device that is sending, or has just sent, a CEC message and, if appropriate, is
waiting for a follower to respond.
Logical address:
a unique address assigned to each device.
Menu-providing device:
a non-display device that may render a menu on TV.
Playback device
: a device that has the ability to play media, like a DVD player.
Recording device:
a device that has the ability to record a source such as an internal tuner
or an external connection.
Source device:
a device that is currently providing an AV stream via HDMI.
Tuner device:
a device that contains a tuner, e.g. an STB (set-top box) or a recording
device.
TV:
a device with a HDMI input that has the ability to display the input HDMI signal.
Generally it has no HDMI output.
CEC:
consumer electronics control.
DDC:
display data channel.
E-DDC:
enhanced display data channel.
EDID:
extended display identification data.
E-EDID:
enhanced extended display identification data.
HDMI:
high-definition multimedia Interface.
(HDMI) source:
a device with a HDMI output.
(HDMI) sink:
a device with a HDMI input.