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PDF WT8871-E Data sheet ( Hoja de datos )
| Número de pieza | WT8871-E | |
| Descripción | Video Display Controller | |
| Fabricantes | Weltrend | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de WT8871-E (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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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
1 page  
WT8871-C/WT8871-E
Video Display Controller for Analog
Small Size LCD Display System
1. General Description
The WT8871-C/WT8871-E is a highly integrated video display controller for small size LCD display
application, such as portable DVD player and car TV application. It has built-in video decoder, scaler,
de-interlacer, TCON, 8-bit MCU, OSD, PWM and DC-to-DC converter functions. WT8871-C/WT8871-E
has triple DAC and VCOM output for analog LCD panel application.
1.1. Features
• Video input port
- 6 analog inputs
- Support CVBS and S-video input
- Support RGB input for GPS module and component input
- Digital input: 8-bit 4:2:2 ITU-BT.656 or BT.601 interface
- Support 720x480i and 720x516i input resolution
• LCD panel interface
- Triple 8-bit DACs output RGB signals for analog panel
- Programmable timing controller for different type of panels
- Programmable gamma table for panel compensation
• 2D video decoder
- 10-bit ADC
- Supports CVBS, S-video and RGB input
- Decodes NTSC (M, Japan, 4.43), PAL (B ,G ,D ,H ,I ,Nc), and SECAM
- Multi-standard adaptive 2D comb filter
- Safe Hsync, Vsync and field signal outputs when VCR trick mode
- Auto detection and decodes Macrovision copy protection
- Chroma Transient Improvement (CTI)
- Luma Transient Improvement (LTI), edge/sharpness improvement
- Luma Coring noise reduction
• Display format conversion
- Programmable horizontal and vertical zoom ratio
- Support non-linear scaling for 4:3 to 16:9
- Convert interlaced input to progressive
• Luminance and chrominance adjustment
- Contrast adjustment with black/white level stretch
- Brightness adjustment
- Sharpness adjustment
- Hue adjustment
- Saturation adjustment
• OSD
- Character based OSD
- Font size: 12x18 dots
- Font ROM: 512 single color fonts
- Display RAM : display up to 512 characters
- User-font RAM : up to 142 single color fonts
- Support 2-bit multi-color font
- Shadow and border effect of character
- Two display windows
- Programmable background window
- Support alpha blending
- Support blinking effect
Copyright 2006 Weltrend Semiconductor, Inc. All Rights Reserved.
Weltrend reserves right to modify all information contained in this document without notice.
-5-
5 Page 
WT8871-C/WT8871-E
Video Display Controller for Analog
Small Size LCD Display System
40 TCON[6]
I/O pull-down TCON output. Shared with GPIO.
41 VDDP
3.3V power for PAD
42 TCON[7]
I/O pull-down TCON output. Shared with GPIO.
43 TCON[8]
I/O pull-down TCON output. Shared with GPIO.
44 TCON[9]
I/O pull-down TCON output. Shared with GPIO.
45 TCON[10]
I/O pull-down TCON output. Shared with GPIO.
46 TCON[11]
I/O pull-down TCON output or panel data enable. Shared with GPIO.
47 CPH3
I/O pull-down TCON clock 1 or panel hsync. Shared with GPIO.
48 CPH2
I/O pull-down TCON clock 2 or panel vsync. Shared with GPIO.
49 CPH1
I/O pull-down TCON clock 3 or panel clock. Shared with GPIO.
50 VSSP
Ground.
51 VDD25
2.5V Power.
52 AVD25_SSPLL
2.5V Power.
53 AVSS_SSPLL
Ground.
54 SSPLL_VCO1
Loop filter 1 of spectrum PLL.
55 SSPLL_VCO2
Loop filter 2 of spectrum PLL.
56 AVSS_VOCM
Ground.
57 VCOM
AO
VCOM Output.
58 AVD5_DAC
5V power.
59 ARO
AO
Analog Red signal output
60 AVSS_DAC
Ground for DAC
61 AGO
AO
Analog Green Output
62 AVD5_DAC
5V power for DAC
63 ABO
AO
Analog Output
64 AVSS_DAC
Ground.
65 VSS
Ground.
66 VDDC
2.5V Power.
67 VDDP
3.3V Power.
68 GPIO_PD[8]
I/O pull-down GPIO.
69 GPIO_PD[9]
I/O pull-down GPIO.
70 GPIO_PD[10] I/O pull-down GPIO.
71 GPIO_PD[11] I/O pull-down GPIO.
72 GPIO_PD[12] I/O pull-down GPIO.
73 GPIO_PD[13] I/O pull-down GPIO.
74 GPIO_PD[14] I/O pull-down GPIO.
75 GPIO_PD[15] I/O pull-down GPIO.
76 VD25_XTL
2.5V Power.
77 XTAL2
O
Crystal oscillator output.
78 XTAL1
I
Crystal oscillator input.
79 VSS
Ground
80 VDDC
2.5V Power.
81 VDDP
3.3V Power.
82 GPIO_PD[16] I/O pull-down GPIO.
83 GPIO_PD[17] I/O pull-down GPIO.
84 GPIO_PD[18] I/O pull-down GPIO.
85 GPIO_PD[19] I/O pull-down GPIO.
86 GPIO_PD[20] I/O pull-down GPIO.
87 GPIO_PD[21] I/O pull-down GPIO.
88 GPIO_PD[22] I/O pull-down GPIO.
89 GPIO_PD[23] I/O pull-down GPIO.
90 AVSS_KP
Ground.
91 AVDD_KP
3.3V power.
Copyright 2006 Weltrend Semiconductor, Inc. All Rights Reserved.
Weltrend reserves right to modify all information contained in this document without notice.
- 11 -
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet WT8871-E.PDF ] | |
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