Equip 254236 Datasheet download pdf (Page 64)

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Video Interface

HDMI

HDMI (High-Denition Multimedia Interface) is a digital interface transmitting both video and audio signals. HDMI 1.4 was

released in 2009 and the most signicant features introduced in the latest version include a higher resolution of 4k x 2k, an

HDMI Ethernet Channel (HEC) which allows two HDMI devices to share one internet connection, an Audio Return Channel

(ARC), 3D over HDMI, and a new micro connector specically for mobile equipments.

Along with the release of HDMI 1.4, the version number is no longer applicable for the product description but instead a set

of naming rule is followed:

• Standard HDMI Cable – supports up to 1080i and 720p

• High Speed HDMI Cable – supports 1080p, 4k x 2k, 3D and Deep Color

• Standard HDMI Cable with Ethernet – supports up to 1080i and 720p and HEC

• High Speed HDMI Cable with Ethernet– supports 1080p, 4k x 2k, 3D and Deep Color and HEC

As the latest standard raised the maximum resolution up to 4096 x 2160p@24Hz, which can be used with digital theaters,

the application and penetration of HDMI is growing quickly and solutions to connect with the previous standards are needed.

HDMI is compatible to the other digital video interfaces such DVI-D, DVI-I and DisplayPort, yet needs an active component

to convert the analog signal, like VGA.

HDMI Connectors

DVI

DVI (Digital Video Interface) is the only widespread standard that includes both analog and digital video data via one

connector. Like HDMI, it carries uncompressed video data yet is partially compatible because it doesn’t transmit audio

signal. There are 3 versions:

• DVI-I for both digital and analog signals, dual-link (24+5) and single-link (18+5)

• DVI-D for digital signal only, dual-link (24+1) and single-link (18+1)

• DVI-A for analog signal only (12+5)

The bandwidth of dual-link is higher but de-facto limited by the copper wire. Here is the nominal bandwidth of these two

specications.

Type Application

A TV, Monitor, Projector, BD/DVD Player, PC

C Digital Camera, Camcorder, Tablet

D Mobile Phone, Tablet

Single-link • HDTV (1,920 × 1,080) @ 60 Hz

• UXGA (1,600 × 1,200) @ 60 Hz

• WUXGA (1,920 × 1,200) @ 60 Hz

• SXGA (1,280 × 1,024) @ 85 Hz

• WXGA+ (1440 × 900) @ 60 Hz

• WQUXGA (3,840 × 2,400) @ 17 Hz

Dual-link • QXGA (2,048 × 1,536) @ 75 Hz

• HDTV (1,920 × 1,080) @ 85 Hz

• WUXGA (1,920 × 1,200) @ 120 Hz

• WQXGA (2,560 × 1,600) @ 60 Hz

• WQUXGA (3,840 × 2,400) @ 33 Hz

DVI-I (Single Link)

DVI-I (Dual Link)

DVI-D (Single Link)

DVI-D (Dual Link)

DVI-A

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Equip 254236 Datasheet Page 64

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