FPD48084
LCD TV TFT-LCD Timing Controller with PPDS
TM
Interface
General Description
The FPD48084 Column Driver is a direct drive, 256 gray
level, 384 output, TFT-LCD column driver. This device is
ideally suited for LCD TV applications, supporting WXGA
resolution. It provides the capability to display 16,772,26
colors (24-bit color) with a large dynamic output range for
wide viewing angle technologies. This scheme supports digi-
tal independent gamma from the TCON, and minimizes re-
quired trace routing and PCB size.
The FPD48084 uses National's PPDS
TM
interface (Point to
Point Differential Signaling) to reduce wire count, increase
driving distance, enable advanced features, and lower over-
all system cost. Coupled with an FPD8020x timing controller,
the FPD48084 is capable of providing independent color for
each of the three subpixel colors (red, green, and blue),
enabling the color temperature and balance control that is
needed to provide cinema quality video performance for
advanced LCD TV applications.
Features
n
Provides 384 column driver outputs
n
Supports WXGA (1280 x 768) applications for LCD TV
n
Point-to-Point Differential data and clock interface
n
Supports digital independent gamma from TCON
n
256 Gray levels per color (24bit color)
n
High voltage dynamic range 9.6V to 14.1V Analog
supply voltage : VDDA = 10.0V to 14.5V
n
Digital supply voltage : VDDD = 2.25V to 2.75V
n
125MHz maximum differential interface operating
frequency
n
LCD TV interface protocol controls column driver
configuration
n
Available in TCP or COF
n
Internal pattern generation for panel self-test
n
Supports both Dot and N-Line inversion
20108901
ADVANCE INFORMATION
May 2004
FPD48084
LCD
TV
TFT
-LCD
T
iming
Controller
with
PPDS
Interface
2004 National Semiconductor Corporation
DS201089
www.national.com
Notes
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systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and
whose failure to perform when properly used in
accordance with instructions for use provided in the
labeling, can be reasonably expected to result in a
significant injury to the user.
2. A critical component is any component of a life
support device or system whose failure to perform
can be reasonably expected to cause the failure of
the life support device or system, or to affect its
safety or effectiveness.
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(CSP-9-111S2) and contain no ``Banned Substances'' as defined in CSP-9-111S2.
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www.national.com
FPD48084
LCD
TV
TFT
-LCD
T
iming
Controller
with
PPDS
Interface
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
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