82G33 datasheet(357/437 Pages) INTEL

357 / 437 page

Functional Description

Datasheet

357

Figure 10-1. sDVO Conceptual Block Diagram

Control Clock

RedC / AlphaB

PCI

Express*

Logic

Internal

Graphics

GMCH

3rd Party

SDVO

External

Device(s)

Digital

Display

Device(s)

or TV

Monitor

Analog RGB

Control Data

TV Clock In

Stall

Interrupt

ClockC

SDVO_BlkDia

BlueC

ClockB

RedB

GreenB

BlueB

GreenC

10.4.2

Intel® SDVO Modes

The port can be dynamically configured in several modes:

• Standard. This mode provides baseline SDVO functionality. It supports Pixel

Rates between 25 MP/s and 225 MP/s. It uses three data pairs to transfer RGB

data.

• Dual Standard. This mode uses Standard data streams across both SDVOB and

SDVOC. Both channels can only run in Standard mode (3 data pairs) and each

channel supports Pixel Rates between 25 MP/s and 225 MP/s.

⎯ Dual Independent Standard. In Dual Independent Standard mode, each SDVO

channel sees a different pixel stream. The data stream across SDVOB is not

the same as the data stream across SDVOC.

⎯ Dual Simultaneous Standard. In Dual Simultaneous Standard mode, both

SDVO channels see the same pixel stream. The data stream across SDVOB is

the same as the data stream across SDVOC. The display timings will be

identical, but the transfer timings may not be (i.e., SDVOB clocks and data

may not be perfectly aligned with SDVOC clock and data as seen at the SDVO

device(s)). Since this mode uses just a single data stream, it uses a single

pixel pipeline within the GMCH.

82G33 Datasheet(PDF) 357 Page - Intel Corporation

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