ADV7195KST datasheet(15/36 Pages) AD

Part #	ADV7195KST

Description	Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input

PDF	36 Pages

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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15 / 36 page

REV. A

ADV7195

–15–

Table II must be followed when programming the control sig-

nals in Async Timing Mode.

Table II. Truth Table

SYNC

TSYNC

1 –> 0

0 or 1

50% Point of Falling Edge of

Tri-Level Horizontal Sync

Signal, A

0 –> 1

0 or 1

25% Point of Rising Edge of

Tri-Level Horizontal Sync

Signal, B

0 –> 1

0 or 1

50% Point of Falling Edge of

Tri-Level Horizontal Sync

Signal, C

0 or 1

0 –> 1

50% Start of Active Video, D

0 or 1

1 –> 0

50% End of Active Video, E

CLK

SYNC

TSYNC

SET MR06 = 1

PROGRAMMABLE

INPUT TIMING

ANALOG

OUTPUT

ACTIVE VIDEO

HORIZONTAL SYNC

243

1920

Figure 17. Async Timing Mode—Programming Input Control Signals for SMPTE295M Compatibility

VIDEO

OUTPUT

HSYNC

525

VSYNC

112

Figure 18. DV Input Control Signal in Relation to Video Output Signal

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