TW8832-LA2-GR [INTERSIL]
TFT Display Controller; TFT显示控制器型号: | TW8832-LA2-GR |
厂家: | Intersil |
描述: | TFT Display Controller |
文件: | 总2页 (文件大小:152K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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TFT Display Controller
TW8832, TW8832S
Description
The TW8832 incorporates many of the features
required to create multi-purpose in-car LCD display
system in a single package. It integrates a high
quality 2D comb NTSC/PAL/SECAM video decoder,
triple high speed RGB ADCs, high quality scaler, and
images enhancement functions, which include Black
and White Stretch, etc. It also supports panoramic
scaling for conversion to wide screen display. On the
input side, it supports a rich combination of CVBS, S-
video, analog RGB as well as digital inputs. On the
output side, it supports a variety of digital panel types
with its built-in timing controller.
Analog RGB Inputs
• Triple high speed 10-bit ADCs with clamping and
programmable gain amplifier
• SOG and H/V sync support for YPbPr or RGB input
• Built-in line locked PLL with sync separator
• Support analog input resolution up to 1080i or
WXGA
Digital Inputs Support
• Support 656 video formats
TFT Panel Support
• Built-in programmable timing controller
• Supports 3, 4, 6 or 8 bits per pixel up to 16.8
Applications
• In-car display controller
• Portable DVD and DVRs players
• Portable media player
million colors with built-in dithering engine
• Support digital panel up to WVGA/SVGA resolution
• Support Serial (8-bit) RGB panel
On Screen Display
• 256 programmable font RAM and 384 display
Features
Analog Video Decoder
RAM
• Four windows font OSD with bordering / shadow
• NTSC (M, 4.34) and PAL (B, D, G, H, I, M, N, N
combination), PAL (60), SECAM with automatic
format detection
• Supports bit-mapped based OSD through SPI
(TW8832S only)
Image Processing
• High quality scaler with both up/down and
nonlinear scaling support
• Three 10-bit ADCs and analog clamping circuit
• Fully programmable static gain or automatic gain
control for the Y or CVBS channel
• Built-in 2D de-interlacing function
• Programmable white peak control for the Y or
CVBS channel
• Programmable hue, brightness, saturation,
contrast and sharpness
• Software selectable analog inputs
• Supports programmable cropping of input video
and graphics
• High quality adaptive 2D comb filter for both NTSC
and PAL inputs
• Independent RGB gain and offset controls
• Panorama/Water-glass scaling
• PAL delay line for color phase error correction
• Image enhancement with 2D dynamic peaking and
CTI
• Programmable 10-bit Gamma correction for each
color
• Digital sub-carrier PLL for accurate color decoding
• Operated in Frame Sync mode
• Black/White Stretch
• Digital horizontal PLL and Advanced
synchronization processing for VCR playback and
weak signal performance
Clock Generation
• Spread spectrum clock
• Programmable hue, brightness, saturation,
contrast and sharpness
• Modulation frequency and spread width are
selectable
• High quality horizontal and vertical filtered down
scaling with arbitrary scale down ratio
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
January 26, 2012
FN7855.2
1
TW8832, TW8832S
Power Management
• Supports functional based independent
power down
• 1.8/3.3 V operation
Miscellaneous
• Supports 2-wire serial bus interface
• Built-in single LED back light controller
• Built-in VCOM DC voltage
• Built-in VCOM analog amplitude
• Built-in DC-DC convertor
• Single 27MHz crystal
SPI
• 80-pin LQFP package
Flat Panel Out
YIN0~2
CIN
2D-Comb
SPI OSD
TCON signals
Serial Data
TCON
Video
Decoder
Font
OSD
Input
Controller
LED/
VCOM
Control
Triple
VIN
ADCs
Output
Formatter
Scaler
I2C_SDAT
I2C_SCLK
Image
Enhance
2-Wire
Serial
Bus
DTVCLK
DTVD[7:0]
BT656
I/F
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM
For additional products, see www.intersil.com/product_tree
Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems as noted
in the quality certifications found at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any
time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is
believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or
other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its
subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
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