參數(shù)資料
型號： ADV7177KSZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 10/44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
供應商設備封裝： 44-MQFP（10x10）
包裝： 帶卷 (TR)
ADV7177/ADV7178
Rev. C | Page 18 of 44
TIMING AND CONTROL
Mode 0 (CCIR-656): Slave Option
Timing Register 0 TR0 = X X X X X 0 0 0
The ADV7177/ADV7178 are controlled by the start active video (SAV) and end active video (EAV) time codes in the pixel data. All
timing information is transmitted using a 4-byte synchronization pattern. A synchronization pattern is sent immediately before and after
each line during active picture and retrace. Mode 0 is illustrated in Figure 14. The HSYNC, FIELD/VSYNC, and BLANK (if not used)
pins should be tied high during this mode.
YY
Y
C
F 00 X 8 18 1
F
0
F A A A
81 81 F 0 0 X C
C
r
F 00 Y 0 00 0
F
0
F B B B
00 00 F 0 0 Y b
r
b
r
EAV CODE
SAV CODE
ANCILLARY DATA
(HANC)
4 CLOCK
268 CLOCK
1440 CLOCK
4 CLOCK
280 CLOCK
1440 CLOCK
END OF ACTIVE
VIDEO LINE
START OF ACTIVE
VIDEO LINE
ANALOG
VIDEO
INPUT PIXELS
NTSC/PAL M SYSTEM
(525 LlNES/60Hz)
PAL SYSTEM
(625 LINES/50Hz)
Y
00228-014
Figure 14. Timing Mode 0 (Slave Mode)
Mode 0 (Ccir-656): Master Option
Timing Register 0 TR0 = X X X X X 0 0 1
The ADV7177/ADV7178 generate H, V, and F signals required for the SAV and EAV time codes in the CCIR-656 standard. The H bit is
output on the HSYNC pin, the V bit is output on the BLANK pin, and the F bit is output on the FIELD/VSYNC pin. Mode 0 is illustrated
in Figure 15 (NTSC) and Figure 16 (PAL). The H, V, and F transitions relative to the video waveform are illustrated in Figure 17.
522
523
524
525
1
2
3
4
5
67
8
9
10
11
20
21
22
DISPLAY
VERTICAL BLANK
ODD FIELD
EVEN FIELD
H
V
F
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
283
284
285
ODD FIELD
EVEN FIELD
DISPLAY
VERTICAL BLANK
H
V
F
00228-015
Figure 15. Timing Mode 0 (NTSC Master Mode)
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相關代理商/技術參數(shù)
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ADV7178 制造商:AD 制造商全稱:Analog Devices 功能描述:Integrated Digital CCIR-601 to PAL/NTSC Video Encoder
ADV7178KS 制造商:Analog Devices 功能描述:
ADV7178KS-REEL 制造商:Analog Devices 功能描述:
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ADV7179BCP 制造商:Analog Devices 功能描述:Video Encoder 3DAC 10-Bit 40-Pin LFCSP EP 制造商:Analog Devices 功能描述:IC VIDEO ENCODER
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