hmp8112a Harris Corporation, hmp8112a Datasheet

hmp8112a

Manufacturer Part Number

hmp8112a

Description

Ntsc/pal Video Decoder

Manufacturer

Harris Corporation

Datasheet

1.HMP8112A.pdf (40 pages)

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March 1998

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

Features

• Supports ITU-R BT.601 (CCIR601) and Square Pixel

• 3 Composite Analog Inputs with Sync Tip AGC, Black

• Patented Decoding Scheme with Improved 2-Line

• NTSC M and PAL (B, D, G, H, I, M, N, CN) Operation

• Composite or S-Video Input

• User-Selectable Color Trap and Low Pass Video

• User Selectable Hue, Saturation, Contrast, Sharpness,

• User Selectable Data Transfer Output Modes

• 16-Bit 4:2:2 YCbCr

• 8-Bit 4:2:2 YCbCr

• User Selectable Clock Range from 20MHz - 30MHz

• I

• VMI Compatible Video Data Bus

Applications

• Multimedia PCs

• Video Conferencing

• Video Editing

• Video Security Systems

• Digital VCRs

• Related Products

Clamping and White Peak Control

Comb Filter, Y/C Separation

Filters

and Brightness Controls

- NTSC/PAL Encoders: HMP8154, HMP8156A,

- NTSC/PAL Decoders: HMP8115, HMP8130/1

C Interface

HMP8170/1, HMP8172/3

Harris Corporation 1998

Semiconductor

Description

The HMP8112A 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 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

a 4xf

line lock PLL for correct pixel alignment. A chrominance sub-

sampling 4:2:2 scheme is provided to reduce chrominance

bandwidth.

The HMP8112A is ideally suited as the analog video inter-

face to VCR’s and camera’s in any multimedia or video sys-

tem. The high quality Y/C separation, user flexibility and

integrated phase locked loops are ideal for use with today’s

powerful compression processors. The HMP8112A operates

from a single 5V supply and is TTL/CMOS compatible.

Ordering Information

† PQFP is also known as QFP and MQFP

Table of Contents

Functional Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . 2

Functional Operation Introduction . . . . . . . . . . . . . . . . . . 5

Internal Register Description Tables. . . . . . . . . . . . . . . . 15

Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

AC and DC Electrical Specifications. . . . . . . . . . . . . . . . 25

Typical Performance Curves . . . . . . . . . . . . . . . . . . . . . . 28

Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . 39

Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

HMP8112ACN

HMP8112EVAL2

HMP8156EVAL2

PART NUMBER

HMP8112A

chroma burst lock PLL for color demodulation and

PCI Reference Design (Includes Part)

Frame Grabber Evaluation Board

(Includes Part)

RANGE (

NTSC/PAL Video Decoder

TEMP.

0 to 70

80 Ld PQFP†

PACKAGE

File Number

Q80.14x20

PKG.NO.

4407.2

Page

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