adv7305a Analog Devices, Inc., adv7305a Datasheet - Page 64

• Manufacturer Part Number: adv7305a
• Description: Multiformat Sd, Progressive Scan/hdtv Video Encoder With Six Nsv 14-bit Dacs
• Manufacturer: Analog Devices, Inc.

ADV7304A/ADV7305A
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 ADV7304A/ADV7305A accepts or generates
horizontal SYNC and odd/even FIELD signals. A transition of
the FIELD input when HSYNC is high indicates a new frame,
HSYNC
BLANK
HSYNC
BLANK
FIELD
FIELD
HSYNC
BLANK
HSYNC
BLANK
FIELD
FIELD
522
260
DISPLAY
DISPLAY
523
261
622
309
DISPLAY
DISPLAY
524
262
623
310
263
525
624
311
EVEN FIELD
EVEN FIELD
264
ODD FIELD
1
625
312
265
EVEN FIELD
2
ODD FIELD
ODD FIELD
313
1
Figure 105. SD Timing Mode 3, NTSC
Figure 106. SD Timing Mode 3, PAL
EVEN FIELD
266
3
314
2
ODD FIELD
267
4
315
3
268
5
VERTICAL BLANK
VERTICAL BLANK
–64–
316
4
VERTICAL BLANK
VERTICAL BLANK
269
6
i.e., vertical retrace. The BLANK signal is optional. When the
BLANK input is disabled, the ADV7304A/ADV7305A automati-
cally blanks all normally blank lines as per CCIR-624. HSYNC
is interfaced on the S_HSYNC pin, BLANK on the S_BLANK
pin, and FIELD on the S_VSYNC pin.
317
5
270
7
318
6
271
8
319
7
272
9
320
273
10
21
274
11
334
22
283
DISPLAY
335
23
20
DISPLAY
284
336
21
DISPLAY
285
DISPLAY
22
REV. A