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HMP8112

更新时间: 2024-11-06 21:53:27
品牌 Logo 应用领域
哈里斯 - HARRIS 解码器
页数 文件大小 规格书
40页 562K
描述
NTSC/PAL Video Decoder

HMP8112 数据手册

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Semiconductor  
HMP8112  
NTSC/PAL Video Decoder  
March 1998  
Features  
Description  
• Supports ITU-R BT.601 (CCIR601) and Square Pixel  
The HMP8112 is a high quality, digital video, color decoder with  
internal A/D converters. The A/D function includes a 3:1 analog  
input mux, Sync Tip AGC, Black clamping and two 8-bit A/D  
Converters. The high quality A/D converters minimize pixel jitter  
and crosstalk.  
• 3 Composite Analog Inputs with Sync Tip AGC, Black  
Clamping and White Peak Control  
• Patented Decoding Scheme with Improved 2-Line  
Comb Filter, Y/C Separation  
The decoder function is compatible with NTSC M, PAL B, D,  
G, H, I, M, N and special combination PAL N video stan-  
dards. Both composite (CVBS) and S-Video (Y/C) input for-  
mats are supported. A 2 line comb filter plus a user  
selectable Chrominance trap filter provide high quality Y/C  
separation. Various adjustments are available to optimize  
the image such as Brightness, Contrast, Saturation, Hue and  
Sharpness controls. Video synchronization is achieved with  
• NTSC M, N, and PAL (B, D, G, H, I, M, N, CN) Operation  
• Composite or S-Video Input  
• User-Selectable Color Trap and Low Pass Video  
Filters  
• User Selectable Hue, Saturation, Contrast, Sharpness,  
and Brightness Controls  
a 4xf  
chroma burst lock PLL for color demodulation and  
SC  
line lock PLL for correct pixel alignment. A chrominance sub-  
sampling 4:2:2 scheme is provided to reduce chrominance  
bandwidth.  
• User Selectable Data Transfer Output Modes  
- 16-Bit 4:2:2 YCbCr  
- 8-Bit 4:2:2 YCbCr  
The HMP8112 is ideally suited as the analog video interface  
to VCR’s and camera’s in any multimedia or video system.  
The high quality Y/C separation, user flexibility and inte-  
grated phase locked loops are ideal for use with today’s pow-  
erful compression processors. The HMP8112 operates from  
a single 5V supply and is TTL/CMOS compatible.  
• User Selectable Clock Range from 20MHz - 30MHz  
2
• I C Interface  
• VMI Compatible Video Data Bus  
Applications  
Ordering Information  
• Multimedia PCs  
TEMP.  
o
• Video Conferencing  
• Video Editing  
PART NUMBER RANGE ( C)  
PACKAGE  
PKG.NO.  
HMP8112CN  
0 to 70  
80 Ld PQFP  
Q80.14x20  
HMP8112EVAL2 PCI Reference Design (Includes Part)  
• Video Security Systems  
• Settop Boxes (Cable, Satellite, and Telco)  
• Digital VCRs  
HMP8156EVAL2 Frame Grabber Evaluation Board  
(Includes Part)  
PQFP is also known as QFP and MQFP  
• Related Products  
Table of Contents  
Page  
- NTSC/PAL Encoders: HMP8154, HMP8156,  
HMP8171, HMP8173  
Functional Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . 2  
Functional Operation Introduction. . . . . . . . . . . . . . . . . . . 6  
Internal Register Description Tables. . . . . . . . . . . . . . . . . 14  
Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
AC and DC Electrical Specifications. . . . . . . . . . . . . . . . . 24  
Typical Performance Curves. . . . . . . . . . . . . . . . . . . . . . . 27  
Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . 39  
Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40  
- NTSC/PAL Decoders: HMP8115  
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.  
File Number 4221.3  
Copyright © Harris Corporation 1998  
1

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