tw8823 Intersil Corporation, tw8823 Datasheet
tw8823
Manufacturer Part Number
tw8823
Description
Advanced Lcd Controller With On-chip Mcu And 65k Color 16-bit Osd Support
Manufacturer
Intersil Corporation
Datasheet
1.TW8823.pdf
(2 pages)
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Automotive Display ICs
TW8823
Advanced LCD controller with on-chip MCU
and 65K color 16-bit OSD support
The TW8823 is a highly integrated advanced LCD controller designed for the automotive infotainment market, targeting
center console and rear seat entertainment applications. Features such as an embedded MCU, LED/CCFL backlight controllers,
a 4-wire touch screen controller, analog and digital TCON, and a multi-window 16-bit (65K color) bit-map OSD are designed
to reduce the system’s overall BOM cost. The TW8823 has multiple analog and digital inputs to support a wide array of video
and graphic sources, including navigation modules, back-up cameras, DVD/multimedia modules, PCs, etc. The TW8823 can
support a wide variety of both digital & analog LCD panels with resolutions up to WXGA, and also has an integrated single
channel LVDS interface to directly drive LVDS based LCD panels.
Key Features
TW8823 Functional Block Diagram
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Supports analog inputs including CVBS, S-Video & Analog RGB/YPbPr
Dual channel digital inputs support with following combinations:
• 1 channel 18/16-bit inputs and 1 channel 8-bit inputs
• 1 channel 24 bit digital RGB/YCbCr inputs
Integrated 8052 MCU with on-chip cache and SPI DMA support for Read/Write to OSD memory
16-bit (65K colors)/8-bit (256 colors) based bit-map OSD support. External 18-bit OSD supported with alpha blending control
Embedded image enhancement functions:
• Programmable CTI, hue, brightness, saturation, contrast and sharpness control
• Black/White stretch
• Programmable favorite color enhancement- up to three colors (Skin, Grass and Sky)
• Programmable Gamma Correction tables
Mixed Signal Semiconductor Solutions
www.techwellinc.com
TECHWELL
DISPLAY
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tw8823 Summary of contents
Page 1
... TCON, and a multi-window 16-bit (65K color) bit-map OSD are designed to reduce the system’s overall BOM cost. The TW8823 has multiple analog and digital inputs to support a wide array of video and graphic sources, including navigation modules, back-up cameras, DVD/multimedia modules, PCs, etc. The TW8823 can support a wide variety of both digital & ...
Page 2
... LVR, provides 100~200 msec. low voltage reset – Power-down mode – Single 27MHz crystal TECHWELL INC. TEL 1-408-435-3888 www.techwellinc.com © 2010 Techwell Inc. All rights reserved. All other trademarks are property of their respective owners. Specifications subject to change without notice. TW8823 ...