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LC74982W Datasheet

  • LC74982W

  • Sanyo Semicon Device [LCD TV Scan Converter IC]

  • 99.08KB

  • SANYO

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Ordering number : ENN*7023
CMOS IC
LC74982W
LCD TV Scan Converter IC
Preliminary
Overview
The LC74982W is an LCD display scan converter IC that
converts NTSC and PAL TV signals to XGA resolution.
The video signal-processing circuits required to implement
an LCD TV set can be easily formed by combining this IC
with a digital decoder, a microcontroller, and an LCD
panel. Since this IC does not require an external frame
memory for resolution conversion, it can contribute to
minimizing total costs. As additional functionality, it also
provides inputs for personal computer video (up to XGA)
and digital TV (480p/480i). Since LC74982W operation is
based on expansion (resolution increasing) processing,
depending on the input resolution, it can also support use
of, for example, 800
脳
600 and 800
脳
480 dot resolution
LCD panels. Thus the LC74982W can be used in a wide
range of applications.
鈥?Built-in
緯
correction (LUT technique. Each 8-bit R, G,
and B signal is independently programmable.)
鈥?Built-in OSD function (8 colors, 253 characters)
鈥?I
2
C bus interface
鈥?Constant frame-rate processing (identical frame periods
in the input and output signals) adopted so that no
external memory is required.
Specifications
鈥?Supply voltage: 3.3 V (input pins are 5 V tolerant)
鈥?Maximum operating frequency: 65.0 MHz
鈥?Package: SQFP208
Applications
鈥?LCD TVs, monitors, and projectors
鈥?PDP displays
鈥?Car television and car video monitors
Features
鈥?NTSC and PAL input support: 24-bit or 16-bit digital
YCbCr signal input
鈥?PC input support: Personal computer 24-bit digital RGB
signal input at resolutions up to XGA
鈥?DTV (480i / 480p) input: 24-bit or 16-bit digital YCbCr
input
鈥?Two-phase progressive scan RGB 18-bit (24 bit) and 36-
bit (48 bit) signal output
鈥?Simulated increased color-depth processing at 6-bit mode.
Values in parentheses apply in 8-bit mode.
鈥?YCbCr to RGB conversion
鈥?Interlaced to progressive scan conversion
鈥?Resolution conversion (enlargement)
鈥?Variable display size and display position (independently
settable in the horizontal and vertical directions)
鈥?Image quality adjustments: brightness, contrast, color,
sharpness, color phase, black balance, and white balance
Package Dimensions
unit: mm
3210-SQFP208
[LC74982W]
30.6
0.5
28.0
156
157
105
104
208
1
(0.5)
(1.25)
0.2
53
52
(3.2)
0.15
0.35
3.8max
28.0
SANYO: SQFP208
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft鈥檚
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
91801TN (OT) No. 7023-1/14
30.6

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