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InfiniteReality™Digital Video Port (DVP) SpecificationDocument Number 007-3594-001

xiAbout This GuideThis guide describes the Digital Video Port (DVP) specifications. This information iswritten for Silicon Graphics® customers who are

1Chapter 11. DVP SpecificationsThis chapter describes the DVP Specifications. It contains the following sections:• Overview• Physical Characteristics• S

2Chapter 1: DVP Specificationsnegligible in most applications. Digital video data on the DVP appears in the same frameas video on the analog channels.

Physical Characteristics3digital video channel similar to the other analog video channels of the InfiniteRealitygraphics subsystem. Figure 1-1 shows th

4Chapter 1: DVP SpecificationsNote: The connector pin-out depends on which end of the cable it is connected. (SeeTable 1-1 and Table 1-2 for the trans

Signal Descriptions5Video Clocks (CLK_2_{H,L}, CLK_2_QUAD_{H,L})To control in-flight skew between clock and data caused by nonuniform group delay inthe

6Chapter 1: DVP Specifications• VOC_SWAP can also be programmed to be continuously HI or LOW.For more information, contact Silicon Graphics technical

Electrical Considerations7Electrical ConsiderationsSignal TerminationThe video data and control signals are transmitted from MC100E151 registers clock

CONTRIBUTORSWritten by David Warren, David Naegle, and Bruce MilesIllustrated by David Warren, David Naegle, and Cheri BrownProduction by Michael Dixo

8Chapter 1: DVP SpecificationsSuggested Receiver DesignOver most of the DVP’s operating range, clock skew is an important consideration in thetransmis

Electrical Considerations9Figure 1-4 Recommended Receiver DesignDQ*QDQ*QClock/2Clock/2_quadELC Shft(clk/2)SY100EL07140/415 psec1:9 Differentialclock d

10Chapter 1: DVP SpecificationsFigure 1-5 DVP Clock and Data TimingElectromagnetic Interference PrecautionsWhen the external DVP interface cable is no

16-Bit Luminance11The branch circuit wiring should be provided with an insulated grounding conductorthat is identical in size, insulation material, an

12Chapter 1: DVP Specificationsmust not be exceeded; swap-rates must match across channels) apply to DVP as they doto the analog video channels.Genloc

Signal Lists13Signal ListsDVIO Connector SignalsTable 1-1 shows the signals on the DVIO connector.Table 1-1 DVP Transmitter (DVIO) PinoutsPin No. Pin

14Chapter 1: DVP Specifications19 RED_OUT_H[2]20 RED_OUT_L[2]21 RED_OUT_H[1]22 RED_OUT_L[1]23 RED_OUT_H[0]24 RED_OUT_L[0]25 PWR_GOOD26 GND27 GREEN_OUT

Signal Lists1543 GREEN_OUT_H[3]44 GREEN_OUT_L[3]45 GREEN_OUT_H[2]46 GREEN_OUT_L[2]47 GREEN_OUT_H[1]48 GREEN_OUT_L[1]49 GREEN_OUT_H[0]50 GREEN_OUT_L[0]

16Chapter 1: DVP Specifications67 BLUE_OUT_H[3]68 BLUE_OUT_L[3]69 BLUE_OUT_H[2]70 BLUE_OUT_L[2]71 BLUE_OUT_H[1]72 BLUE_OUT_L[1]73 BLUE_OUT_H[0]74 BLUE

Signal Lists1791 HMUX_SEL0_H92 HMUX_SEL0_L93 GND94 GND95 CLK_2_H96 CLK_2_L97 GND98 GND99 CLK_2_QUAD_H100 CLK_2_QUAD_LMTG2 CHASSIS_GNDTable 1-1 (contin

instruction manual, may cause harmful interference to radio communications.Operation of this equipment in a residential area is likely to cause harmfu

18Chapter 1: DVP SpecificationsReceiver Connector SignalsBecause of the construction of the external cable, the pinout is reversed on the receiverconn

Signal Lists1921 CBLANK_L22 CBLANK_H23 I2C_CLK_GND24 I2C_CLK25 I2C_DATA_GND26 I2C_DATA27 BLUE_OUT_L[0]28 BLUE_OUT_H[0]29 BLUE_OUT_L[1]30 BLUE_OUT_H[1]

20Chapter 1: DVP Specifications45 BLUE_OUT_L[9]46 BLUE_OUT_H[9]47 BLUE_OUT_L[10]48 BLUE_OUT_H[10]49 BLUE_OUT_L[11]50 BLUE_OUT_H[11]51 GREEN_OUT_L[0]52

Signal Lists2169 GREEN_OUT_L[9]70 GREEN_OUT_H[9]71 GREEN_OUT_L[10]72 GREEN_OUT_H[10]73 GREEN_OUT_L[11]74 GREEN_OUT_H[11]75 GND76 PWR_GOOD77 RED_OUT_L[

22Chapter 1: DVP Specifications93 RED_OUT_L[8]94 RED_OUT_H[8]95 RED_OUT_L[9]96 RED_OUT_H[9]97 RED_OUT_L[10]98 RED_OUT_H[10]99 RED_OUT_L[11]100 RED_OUT

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InfiniteReality™ Digital Video Port (DVP) SpecificationDocument Number 007-3594-001TUVgeprufteSicherheitRNRTL/C

vContentsList of Figures viiList of Tables ixAbout This Guide xiConventions xi1. DVP Specifications 1Overview 1Physical Charateristics

viiList of FiguresFigure 1-1 DVP Block Diagram 3Figure 1-2 Connector Physical Footprint 4Figure 1-3 Recommended Termination of Different Signals

ixList of TablesTable 1-1 DVP Transmitter (DVIO) Pinouts 13Table 1-2 DVP Transmitter (DVIO) Pinouts 18