參數(shù)資料
型號: ADV7176KS
廠商: ANALOG DEVICES INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: Integrated Digital CCIR-601 YCrCb to PAL/NTSC Video Encoder
中文描述: COLOR SIGNAL ENCODER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 14/36頁
文件大小: 447K
代理商: ADV7176KS
ADV7175/ADV7176
REV. A
–14–
PAL = 864 * CLOCK/2
NTSC = 858 * CLOCK/2
PAL = 132 * CLOCK/2
NTSC = 118 * CLOCK/2
LINE 265
LINE 266
HSYNC
VSYNC
BLANK
PIXEL
DATA
PAL = 12 * CLOCK/2
NTSC = 16 * CLOCK/2
Cb
Y
Cr
Y
Cb
Figure 23. Timing Mode 2 Odd-to-Even Field Transition
Mode 3: Master/Slave Option.
HSYNC
,
BLANK
,
FIELD.
(T iming Register 0 T R0 = X X X X X 1 1 0 or X X X X X 1 1 1)
In this mode the ADV7175/ADV7176 accepts or generates Horizontal SYNC and odd/even FIELD signals. A transition of the
FIELD input when
HSYNC
is high indicates a new frame i.e., vertical retrace. T he
BLANK
signal is optional. When the
BLANK
input is disabled the ADV7175/ADV7176 automatically blanks all normally blank lines as per CCIR-624. Mode 3 is illustrated in
Figure 24 (NT SC) and Figure 25 (PAL).
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
283
284
285
ODD FIELD
EVEN FIELD
DISPLAY
DISPLAY
VERTICAL BLANK
HSYNC
BLANK
FIELD
522
523
524
525
1
2
3
4
5
6
7
8
9
10
11
20
21
22
DISPLAY
DISPLAY
VERTICAL BLANK
ODD FIELD
EVEN FIELD
HSYNC
BLANK
FIELD
Figure 24. Timing Mode 3 (NTSC)
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