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HMP8112CN Datasheet

  • HMP8112CN

  • NTSC/PAL Video Decoder

  • 562.40KB

  • 40頁

  • HARRIS   HARRIS

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

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