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ADV7174BCP Datasheet(PDF) 22 Page - Analog Devices

Part # ADV7174BCP
Description  Chip Scale PAL/NTSC Video Encoder with Advanced Power Management
PDF  52 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADV7174BCP Datasheet(HTML) 22 Page - Analog Devices

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ADV7174/ADV7179
Rev. A | Page 22 of 52
Mode 2: Slave Option HSYNC, VSYNC, BLANK
(Timing Register 0 TR0 = X X X X X 1 0 0)
In this mode, the ADV7174/ADV7179 accepts horizontal and
vertical SYNC signals. A coincident low transition of both and
VSYNC inputs indicates the start of an odd field. A VSYNC low
transition when HSYNC is high indicates the start of an even
field. The BLANK signal is optional. When the BLANK input is
disabled, the ADV7174/ADV7179 automatically blanks all
normally blank lines as per CCIR-624. Mode 2 is illustrated in
Figure 27 (NTSC) and Figure 28 (PAL).
522
523
524
525
1
2
3
4
5
6
7
8
9
10
11
20
21
22
DISPLAY
DISPLAY
ODD FIELD
EVEN FIELD
HSYNC
BLANK
VSYNC
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
283
284
285
ODD FIELD
EVEN FIELD
DISPLAY
DISPLAY
HSYNC
BLANK
VSYNC
VERTICAL BLANK
VERTICAL BLANK
Figure 27. Timing Mode 2 (NTSC)
622
623
624
625
1
2
3
4
5
6
7
21
22
23
DISPLAY
ODD FIELD
EVEN FIELD
HSYNC
BLANK
VSYNC
DISPLAY
309
310
311
312
313
314
315
316
317
318
319
334
335
336
DISPLAY
ODD FIELD
EVEN FIELD
HSYNC
BLANK
DISPLAY
320
VSYNC
VERTICAL BLANK
VERTICAL BLANK
Figure 28. Timing Mode 2 (PAL)



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