ADV7170KSZ-REEL View Datasheet(PDF) - Analog Devices

Part Name

Description

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ADV7170KSZ-REEL

Digital PAL/NTSC Video Encoder with 10-Bit SSAF™ and Advanced Power Management

Analog Devices 

ADV7170/ADV7171

Mode 3: Master/Slave Option HSYNC, BLANK, FIELD

(Timing Register 0 TR0 = X X X X X 1 1 0 or X X X X X 1 1 1)

In this mode the ADV7170/ADV7171 accept or generate horizontal SYNC and odd/even FIELD signals. A transition of the FIELD input

when HSYNC is high indicates a new frame, that is, vertical retrace. The BLANK signal is optional. When the BLANK input is disabled,

the ADV7170/ADV7171 automatically blank all normally blank lines as per CCIR-624. Mode 3 is shown in Figure 31 (NTSC) and Figure

32 (PAL).

DISPLAY

VERTICAL BLANK

DISPLAY

522 523 524 525

1

2

3

4

5

6

7

8

9

10

11

HSYNC

BLANK

FIELD

EVEN FIELD ODD FIELD

DISPLAY

VERTICAL BLANK

20

21

22

DISPLAY

260 261 262 263 264 265 266 267 268 269 270 271 272 273 274

HSYNC

BLANK

FIELD

ODD FIELD EVEN FIELD

Figure 31. Timing Mode 3 (NTSC)

DISPLAY

VERTICAL BLANK

283 284 285

DISPLAY

622

623

624

625

1

2

3

4

5

6

7

HSYNC

BLANK

FIELD

EVEN FIELD ODD FIELD

DISPLAY

VERTICAL BLANK

21

22

23

DISPLAY

309

310

311

312

313

314

315

316

317

318

319

320

HSYNC

BLANK

FIELD

ODD FIELD EVEN FIELD

Figure 32. Timing Mode 3 (PAL)

Rev. C | Page 25 of 64

334

335

336

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