參數(shù)資料
型號: ADV7177KSZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 15/44頁
文件大小: 0K
描述: IC DAC VIDEO NTSC 3-CH 44MQFP
產(chǎn)品變化通告: ADV7xxx Obsolescence 16/Jan/2012
標準包裝: 800
類型: 視頻編碼器
應(yīng)用: 機頂盒,電視
電壓 - 電源,模擬: 3 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 44-QFP
供應(yīng)商設(shè)備封裝: 44-MQFP(10x10)
包裝: 帶卷 (TR)
ADV7177/ADV7178
Rev. C | Page 22 of 44
Mode 2: Slave Option HSYNC, VSYNC, BLANK
Timing Register 0 TR0 = X X X X X 1 0 0
In this mode, the ADV7177/ADV7178 accept 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, the ADV7177/ADV7178 automatically blank all normally blank lines as
per the BT-470 specification. Mode 2 is illustrated in Figure 21 (NTSC) and Figure 22 (PAL).
522
523
524
525
123
4
5
67
8
9
10
11
20
21
22
DISPLAY
ODD FIELD
EVEN FIELD
HSYNC
BLANK
VSYNC
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
283
284
285
ODD FIELD
EVEN FIELD
DISPLAY
HSYNC
BLANK
VSYNC
VERTICAL BLANK
00228-021
Figure 21. Timing Mode 2 (NTSC)
622
623
624
625
1234567
21
22
23
DISPLAY
ODD FIELD
EVEN FIELD
HSYNC
BLANK
VSYNC
DISPLAY
309
310
311
312
313
314
315
316
317
318
319
334
335
336
DISPLAY
ODD FIELD
EVEN FIELD
HSYNC
BLANK
DISPLAY
320
VSYNC
VERTICAL BLANK
00228-022
Figure 22. Timing Mode 2 (PAL)
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