adv7305a Analog Devices, Inc., adv7305a Datasheet - Page 60

• 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 1: Slave Option
HSYNC, BLANK, FIELD
(Timing Register 0 TR0 = X X X X X 0 1 0)
In this mode, the ADV7304A/ADV7305A accepts horizontal
SYNC and odd/even FIELD signals. A transition of the FIELD
input when HSYNC is low indicates a new frame, i.e., vertical
HSYNC
BLANK
HSYNC
BLANK
FIELD
FIELD
HSYNC
BLANK
HSYNC
BLANK
FIELD
FIELD
522
260
DISPLAY
DISPLAY
622
309
DISPLAY
DISPLAY
523
261
623
310
524
262
263
624
525
311
EVEN FIELD
ODD FIELD
264
625
1
312
ODD FIELD
265
ODD FIELD
EVEN FIELD
EVEN FIELD
2
313
1
Figure 98. SD Slave Mode 1, NTSC
EVEN FIELD
Figure 99. SD Slave Mode 1, PAL
266
3
314
2
ODD FIELD
267
4
315
3
268
5
VERTICAL BLANK
VERTICAL BLANK
VERTICAL BLANK
–60–
316
4
VERTICAL BLANK
269
6
retrace. The BLANK signal is optional. When the BLANK input
is disabled, the ADV7304A/ADV7305A automatically blanks all
normally blank lines as per CCIR-624. HSYNC is input 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
272
7
9
320
273
10
274
11
21
22
334
283
20
DISPLAY
335
23
284
21
DISPLAY
336
DISPLAY
285
DISPLAY
22
REV. A