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參數資料
| 型號： | LC74411N |
| 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： | 3/14頁 |
| 文件大小： | 296K |
| 代理商： | LC74411N |
Sub-Screen Digital Processing Specifications
No. 5519-11/14
LC74411N, LC74411NE
Item
NTSC (f
H = 15734Hz)
PAL (f
H = 15625Hz)
Order
Y, R–Y, Y, B–Y, Y, –, Y, –,
Frequency
480 f
H
f
T (MHz)
7.552
7.500
Y only
240 f
H
A/D converter sampling
f
TY
3.776
3.750
R-Y only
60 f
H
f
TR
0.944
0.938
B-Y only
60 f
H
f
TB
0.944
0.938
Number of bits in quantization
6 bits
Y signal
736 f
H
f
CY
11.58
11.50
D/A converter clock
R-Y signal
184 f
H
(MHz)*1f
CR
2.895
2.875
B-Y signal
184 f
H
f
CB
2.895
2.875
Number of horizontal bits
288
Y only
192
Write
R-Y only
48
B-Y only
48
Number of vertical lines
73
85
Number of horizontal bits
268
Y only
180
Readout display*2
R-Y only
44
B-Y only
44
Number of vertical lines
72
84
Note: 1. When the PLL divisor has its standard value (PLL4:0 = 10110).
2. Target values are shown. (The number of horizontal bits varies with, for example, the frame width adjustment.)
Initialization
(1) RES pin: Reset
The RES pin must be held low when power is first applied with the timing shown in the figure.
(2) Internal control registers
After a reset, the chip goes to the standby state (SBY = high). When developing the microcontroller software, that
software must be designed so that it transmits data for all registers. Also note that data values of zero (0) must be sent
for the control registers that have ‘0’ entries in the control register table.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LC74411NE | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controller |
| LC7441N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Picture-in-picture Controller for TVs and VCRs |
| LC7441NE | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Picture-in-picture Controller for TVs and VCRs |
| LC7442 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controller |
| LC7442E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controller |
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