HDMI (High-Definition Multimedia Interface)

HDMI (High-Definition Multimedia Interface)
The HDMI logo with the acronym "HDMI" in a large font at the top with the unabbreviated term (High-Definition Multimedia Interface) below in a smaller typeface. There is a trademark logo to the right of HDMI.HDMI-Connector.jpg
HDMI official logo and standard connector
TypeDigital audio/video/data connector
Production history
Designer [1] [2]
DesignedDecember 2002
ManufacturerHDMI adopters (over 1,600 companies)
General specifications
WidthType A (13.9 mm), Type C (10.42 mm), Type D (6.4 mm)
HeightType A (4.45 mm), Type C (2.42 mm), Type D (2.8 mm)
Hot pluggableYes
ExternalYes
Audio signalLPCM, Dolby Digital, DTS, DVD-Audio,Dolby Digital Plus, Dolby TrueHD, DTS-HD High Resolution Audio, DTS-HD Master Audio, MPCM, DSD, DST
Video signalMaximum resolution limited by available bandwidth
PinsTypes A, C, & D (19), Type B (29)
Data
Data signalYes
BitrateUp to 18 Gbit/s (2.25 GB/s) in HDMI 2.0
ProtocolTMDS
Pin out
A diagram of a type A HDMI receptacle, showing 10 pins on the top row and 9 pins on the bottom row (total 19 pins).
Type A receptacle HDMI (female)
Pin 1TMDS Data2+
Pin 2TMDS Data2 Shield
Pin 3TMDS Data2−
Pin 4TMDS Data1+
Pin 5TMDS Data1 Shield
Pin 6TMDS Data1−
Pin 7TMDS Data0+
Pin 8TMDS Data0 Shield
Pin 9TMDS Data0−
Pin 10TMDS Clock+
Pin 11TMDS Clock Shield
Pin 12TMDS Clock−
Pin 13CEC
Pin 14Reserved (HDMI 1.0–1.3c), Utility/HEC/ARC (Optional, HDMI 1.4+ with HDMI Ethernet Channel and Audio Return Channel)
Pin 15SCL (I²C Serial Clock for DDC)
Pin 16SDA (I²C Serial Data Line for DDC)
Pin 17DDC/CEC/ARC/HEC Ground
Pin 18+5 V (min. 0.055 A)[3]
Pin 19Hot Plug detect (all versions) andHEC/ARC (Optional, HDMI 1.4+ with HDMI Ethernet Channel and Audio Return Channel)

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