參數(shù)資料
型號: LC7442
元件分類: 畫面疊加
英文描述: PICTURE-IN-PICTURE IC, PDIP64
封裝: SDIP-64
文件頁數(shù): 8/23頁
文件大小: 317K
代理商: LC7442
LC7442, 7442E
Sub-Screen Digital Processing Specifications
Parameter
NTSC (fH = 15734 Hz)
PAL (fH = 15625 Hz)
Sampling
Order
Y, R - Y, Y, B - Y, Y, -, Y -,
Frequency
fT (MHz)
640 fH
10.070
10.000
Only Y
320 fH
fTY
5.035
5.000
Only R-Y
80 fH
fTR
1.258
1.250
Only B-Y
80 fH
fTB
1.258
1.250
Number of quantization bits
6 bits
D/A converter
Y signal
960 fH
clock (MHz)
fCY
15.105
15.000
R-Y signal
240 fH
fCR
3.776
3.750
B-Y signal
240 fH
fCB
3.776
3.750
Write
Number of dots (horizontal)
384
Only Y
256
Only R-Y
64
Only B-Y
64
Vertical H count
80
84
Read display
Number of dots (horizontal)
370
Only Y
250
Only R-Y
60
Only B-Y
60
Vertical H count
75
83
Memory Write Range
When the display fine adjustment register (WVAJ1, 0, WHAJ1, 0) is 0000.
<NTSC>
No. 4412-16/22
Note: CLK = 640 fH = 10.07 MHz
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