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WT8871-E 데이터시트 PDF




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WT8871-E 데이터시트, 핀배열, 회로
Weltrend Semiconductor, Inc.
WT8871-C/8871-E
Video Display Controller for
Analog Small Size LCD Display System
Data Sheet
Rev. 0.97
May 26, 2006
Copyright Notice
This data sheet is copyrighted by Weltrend Semiconductor, Inc. Do not reproduce, transform to any other format,
or send/transmit any part of this documentation without the express written permission of Weltrend Semiconductor,
Inc.
Disclaimers
Right to make change
This document provides technical information for user. Weltrend Semiconductor, Inc. reserves the right to make
change without further notice to any products herein.
2F, No. 24, Industry E. 9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan
TEL: 886-3-5780241
http://www.weltrend.com.tw




WT8871-E pdf, 반도체, 판매, 대치품
WT8871-C/WT8871-E
Video Display Controller for Analog
Small Size LCD Display System
4.10.2. Gamma Correction .......................................................................................................................... - 57 -
4.10.3. Dithering .......................................................................................................................................... - 58 -
4.10.4. Output Formatter ............................................................................................................................. - 58 -
4.11. MCU AND MISCELLANEOUS FUNCTIONS ..................................................................................................- 58 -
4.11.1. I2C .................................................................................................................................................... - 59 -
4.11.2. IR...................................................................................................................................................... - 60 -
4.11.3. PWM ................................................................................................................................................ - 61 -
4.11.4. Keypad ADC .................................................................................................................................... - 61 -
4.11.5. Interrupt ........................................................................................................................................... - 61 -
4.11.6. Watchdog ......................................................................................................................................... - 63 -
4.11.7. Timer ................................................................................................................................................ - 63 -
4.12. VIDEO DECODER.......................................................................................................................................- 63 -
4.12.1. Video Decoder Register Summary ................................................................................................... - 63 -
4.12.2. Video Decoder Registers.................................................................................................................. - 67 -
5. ELECTRICAL CHARACTERISTICS ................................................................................................... - 90 -
5.1. ABSOLUTE MAXIMUM RATINGS..................................................................................................................- 90 -
5.2. DC CHARACTERISTICS ................................................................................................................................- 91 -
5.3. AC CHARACTERISTICS ...............................................................................................................................- 91 -
5.3.1. General .............................................................................................................................................. - 91 -
5.3.2. I2C Interface....................................................................................................................................... - 91 -
5.3.3. BT.656 Input ...................................................................................................................................... - 92 -
5.4. DAC CHARACTERISTICS.............................................................................................................................- 92 -
6. PACKAGE OUTLINE .............................................................................................................................. - 93 -
Copyright2006 Weltrend Semiconductor, Inc. All Rights Reserved.
Weltrend reserves right to modify all information contained in this document without notice.
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WT8871-E 전자부품, 판매, 대치품
1.4. Block Diagram
WT8871-C/WT8871-E
Video Display Controller for Analog
Small Size LCD Display System
Analog
Video
Input
CVBS
output
Analog Front End
ADC
PLL
LPF
AGC
Video Decoder
YC Separation
2D Comb Filter
Chroma
Demodulation
Post
Processing
BT.656
Input
Processor
Scaler/
De-interlace
Contrast/Sharpness/
Brightness/
Hue/Saturation
Color
Space
Conversion
Xtal Osc
SS PLL
DC-DC
KP ADC
MCU
I2C
GPIO
PWM
Gain/
Offset
Gamma
Dither
OSD
External OSD
Output
Formatter
TCON
DAC
R,G,B
CPH1~3
TCON
VCOM
Copyright2006 Weltrend Semiconductor, Inc. All Rights Reserved.
Weltrend reserves right to modify all information contained in this document without notice.
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관련 데이터시트

부품번호상세설명 및 기능제조사
WT8871-C

Video Display Controller

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WT8871-E

Video Display Controller

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