S1D13774 WVGA LCD Controller
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X85A-C-001-01
The S1D13774 is a low cost, low power LCD Controller providing multiple LCD support for embedded and mobile
products requiring up to WVGA resolution. The Video Input interface and optional TV-Out support, via an external
NTSC/PAL encoder, enhance the capabilities of the S1D13774 to meet a wide variety of applications. Supporting
up to three display layers, the S1D13774 provides the Host processor with flexibility in handling multiple image
sources.
The S1D13774 feature set includes independent resizing of PIP window image data using the bi-cubic scaler,
rotation and mirror functions, alpha blending and transparency, image scrolling for each layer, and LCD output
manipulation such as gamma control and optional dithering. The Auto Movie Enhancement (AME) feature allows
independent chroma, contrast, and gamma adjustments of the image data in a selected PIP window. The combi-
nation of these features allows the Host processor to provide image data, but off-loads the image processing
requirements from the Host.
The S1D13774 contains 1280K bytes of embedded DRAM which is used to store image data for up to three layers.
This feature set provides a low cost, low power single chip solution to meet the demands of embedded markets
requiring up to WVGA resolution, such as Mobile Communications devices.
FEATURES
SYSTEM BLOCK DIAGRAM
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Embedded 1280K byte DRAM
MDDI, 18-bit Indirect, or I2C Host Interface
Supports up to 2 LCD panels (LCD2 must be RAM
integrated)
Support for RGB, Serial, and Parallel I/F panels
TV-Out support via an external NTSC/PAL encoder
Video Input Interface
S1D13774 Includes:
• 1280KB DRAM
• Up to 3 Display Layers
• Two Memory Write Paths
• Auto Movie Enhancement
• Transparency and Alpha Blending
RGB Interface
Main Display
Interface
Video
Control Signals
Input
Data and
13774
CPU
Revision 1.2
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Support for up to 3 display layers with overlay and
alpha blending
Software Initiated Power Save Mode
VFBGA 161-pin or PFBGA 181-pin package
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Main Layer image can be doubled in size
PIP1 Layer can be resized from 8x to 1/2x
PIP2 Layer can be resized from 8x to 1/2x
TV-Out
Interface
NTSC/PAL
External
Encoder
Secondary Display
Serial or Parallel
(RAM Integrated)
GRAPHICS
TV
S1D13774
May 2008
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