adv7322 Analog Devices, Inc., adv7322 Datasheet - Page 78

• Manufacturer Part Number: adv7322
• Description: Multiformat 11-bit Hdtv Video Encoder
• Manufacturer: Analog Devices, Inc.

ADV7322
MODE 2— SLAVE OPTION
(TIMING REGISTER 0 TR0 = X X X X X 1 0 0)
In this mode, the ADV7322 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
transition when HSYNC is high indicates the start of an even
field. The BLANK signal is optional. When the BLANK input is
disabled, ADV7322 automatically blanks all normally blank
lines as per CCIR-624. HSYNC is input on S_HSYNC , BLANK
on S_BLANK , and VSYNC on S_VSYNC .
HSYNC
HSYNC
BLANK
BLANK
VSYNC
VSYNC
HSYNC
BLANK
HSYNC
BLANK
VSYNC
VSYNC
522
DISPLAY
DISPLAY
260
523
622
261
309
DISPLAY
DISPLAY
524
262
623
310
525
263
624
311
EVEN FIELD
1
ODD FIELD
264
625
312
ODD FIELD
EVEN FIELD
2
265
313
1
3
266
Figure 115. SD Slave Mode 2 (NTSC)
314
Figure 116. SD Slave Mode 2 (PAL)
2
4
267
Rev. PrA | Page 78 of 88
315
3
ODD FIELD
5
VERTICAL BLANK
268
VERTICAL BLANK
VERTICAL BLANK
EVEN FIELD
VERTICAL BLANK
316
4
6
269
EVEN FIELD
317
ODD FIELD
5
7
270
318
6
8
271
319
7
9
272
320
10
273
Preliminary Technical Data
21
11
274
22
334
DISPLAY
335
20
23
283
DISPLAY
21
336
284
DISPLAY
DISPLAY
22
285