adv7344 Analog Devices, Inc., adv7344 Datasheet - Page 76
adv7344
Manufacturer Part Number
adv7344
Description
Multiformat Video Encoder Six 14-bit Noise Shaped Video Dacs
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADV7344.pdf
(88 pages)
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ADV7344
Mode 1—Slave Option (Subaddress 0x8A = X X X X X 0 1 0)
In this mode, the ADV7344 accepts horizontal sync and odd/even field signals. When HSYNC is low, a transition of the field input
indicates a new frame, that is, vertical retrace. The ADV7344 automatically blanks all normally blank lines as per CCIR-624. HSYNC and
FIELD are input on the S_HSYNC and S_VSYNC pins, respectively.
HSYNC
HSYNC
FIELD
FIELD
H
F
H
F
622
309
DISPLAY
DISPLAY
260
522
DISPLAY
DISPLAY
623
310
523
261
ANALOG
VIDEO
524
262
624
311
EVEN FIELD
H
F
ODD FIELD
263
525
625
312
264
ODD FIELD
1
EVEN FIELD
ODD FIELD
313
1
265
EVEN FIELD
2
314
Figure 103. SD Master Mode 0, Data Transitions
EVEN FIELD
2
266
3
Figure 102. SD Master Mode 0, PAL
Figure 104. SD Slave Mode 1, NTSC
ODD FIELD
315
267
3
4
Rev. 0 | Page 76 of 88
VERTICAL BLANK
VERTICAL BLANK
268
316
5
VERTICAL BLANK
4
VERTICAL BLANK
269
6
317
5
270
7
318
6
271
8
319
7
272
9
320
273
10
274
11
21
334
22
283
20
DISPLAY
335
23
284
21
DISPLAY
DISPLAY
336
285
DISPLAY
22
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