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參數(shù)資料
| 型號： | LC74761 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display LSI |
| 中文描述： | 屏幕顯示大規(guī)模集成電路 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 243K |
| 代理商： | LC74761 |
Pin Functions
Pin No.
Symbol
Function
Description
1
V
SS
Xtal
IN1
Xtal
OUT1
Ground
Ground connection
2
Crystal oscillator connection
Connection for the crystal and capacitor used to form the crystal oscillator that generates
the internal synchronization signal. The oscillator can be selected with a command switch.
3
4
HSYNC
OUT
Horizontal synchronization
output
Outputs the horizontal synchronization signal (AFC). The output polarity can be selected
(metal option). Also functions as general output port (command switch).
5
Xtal
IN2
Xtal
OUT2
Crystal oscillator connection
Connection for the crystal and capacitor used to form the crystal oscillator that generates
the internal synchronization signal.
6
7
VSYNC
OUT
Vertical synchronization output
Outputs the vertical synchronization signal. The output polarity can be selected (metal
option). Also functions as general output port (command switch).
8
CS
Enable input
Enables/disables serial data input. Serial data is enabled when this pin is low (hysteresis
input). Pull-up resistor built in (metal option).
9
SIN
Data input
Serial data input (hysteresis input). Pull-up resistor built in (metal option).
10
SCLK
Clock input
Clock input for serial data input (hysteresis input). Pull-up resistor built in (metal option).
SECAM mode switch input/
output (command switch)
During input, switches between SECAM and other modes.
During output, functions as general output port or internal V output (command switch).
Low = other modes, high = SECAM mode
11
SECAM
525/625 switch input/output
(command switch)
During input, switches between 525 scan lines and 625 scan lines.
During output, functions as general output port or character data output (command switch).
Low = 525 lines, high = 625 lines
12
525/625
NTSC/PAL switch input/output
(command switch)
Switches the color mode between NTSC and PAL.
During output, functions as general output port or frame data output (command switch).
Low = NTSC, high = PAL
13
NTSC/PAL
Switch FSC between 3.58 MHz and 4.43 MHz.
During output, functions as general output port or half-tone output (command switch).
Low = 3.58, high = 4.43
14
3.58/4.43
3.58/4.43 switch input/output
(command switch)
15
RST
Reset input
System reset input pin, low is active (hysteresis input).
Pull-up resistor built in (metal option).
16
CV
OUT
V
DD2
CV
IN
CV
CR
SYNC
IN
SEP
C
V
SS
PD
OUT
AMP
IN
AMP
OUT
FC
Video signal output
Composite video output
17
Power supply connection
Power supply connection for composite video signal level generation
18
Video signal input
Composite video input
19
Video signal input
SECAM chroma signal input
20
Sync separator circuit input
Built-in sync separator circuit video signal input
21
Sync separator circuit
Built-in sync separator circuit
22
Ground
Ground connection
23
Control voltage output
AFC control voltage output
24
AFC filter connection
Filter connection
25
26
Control voltage input
AFC control voltage input
27
VCO
IN
VCO
OUT
LC oscillator connection
VCO LC oscillator circuit coil and capacitor connection
28
External synchronization signal
detection output
Outputs the exclusive NOR of the horizontal synchronization signal (AFC) and CSYNC (sync
separator). The output polarity can be selected (metal option). Also functions as general
output port (command switch).
29
SYNC
DET
30
V
DD1
Power supply connection
Power supply connection (+5 V: digital system power supply)
No. 4846-3/20
LC74761, 74761M
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| LC74761M | On-Screen Display LSI |
| LC74763 | On-Screen Display LSI |
| LC74763M | On-Screen Display LSI |
| LC74770 | On-Screen Display Controller LSI |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74761_11 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display LSI |
| LC74761M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display LSI |
| LC74761M-9006-E | 功能描述:顯示驅(qū)動器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74763 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display LSI |
| LC74763_11 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display LSI |
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