ADV7312 Datasheet, PDF (70/84 Pages) Analog Devices – Multiformat 11-Bit HDTV Video Encoder

ADV7312
Mode 2— Slave Option
(Timing Register 0 TR0 = X X X X X 1 0 0)
In this mode, the ADV7312 accepts horizontal and vertical sync
signals. A coincident low transition of both HSYNC and VSYNC
inputs indicates the start of an odd field. A VSYNC low transi-
tion when HSYNC is high indicates the start of an even field.
The BLANK signal is optional. When the BLANK input is dis-
abled, the ADV7312 automatically blank all normally blank lines
as per CCIR-624. HSYNC is input S_HSYNC, BLANK on
S_BLANK, and VSYNC on S_VSYNC.
DISPLAY
VERTICAL BLANK
DISPLAY
522 523 524 525
1
HSYNC
BLANK
VSYNC
DISPLAY
2
3
4
EVEN FIELD
5
6
7
8
ODD FIELD
VERTICAL BLANK
9
10
11
20
21
22
DISPLAY
260 261 262 263 264 265 266 267 268 269 270 271 272 273 274
HSYNC
BLANK
VSYNC
ODD FIELD
EVEN FIELD
Figure 84. SD Slave Mode 2 (NTSC)
DISPLAY
VERTICAL BLANK
283 284 285
DISPLAY
622
623
624
625
1
2
3
4
5
6
7
HSYNC
BLANK
VSYNC
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
VSYNC
ODD FIELD
EVEN FIELD
Figure 85. SD Slave Mode 2 (PAL)
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