DMA2286 datasheet(2/48 Pages) MICRONAS

2 / 48 page

DMA 2275, DMA 2286

Contents

Page

Section

Title

Introduction

1.1.

General Information

1.2.

Environment

Chip Architecture

Video Processor

3.1.

Code Converter

3.2.

Video Descrambler

3.3.

Interpolation Filter

3.4.

Clamping and Video Gate

PRBS Generator

4.1.

Video PRBS Generator

4.2.

Packet PRBS Generator

4.3.

VBI Descrambler

Line 625 Processor

5.1.

Majority Decision

5.2.

BCH Check

5.3.

Frame Counter Flywheel

5.4.

RTCI Detector

Sound Processor

6.1.

The S Bus Interface and the S Bus

Packet Processor

7.1.

Packet Acquisition

7.2.

Packet Descrambler

Interface Processor

8.1.

Fast Processor

8.2.

IM Bus Interface

8.2.1.

IM Bus Addresses and Instructions

8.3.

DRAM Interface

8.4.

DRAM Memory Map

8.4.1.

Mode Register

8.4.2.

Pac1 Register

8.4.3.

Pac2 Register

8.4.4.

Coeff Register

8.4.5.

CW Register

8.4.6.

Error Buffer

8.4.7.

Packet Buffer

8.4.8.

Line 625 Buffer

8.4.9.

Scratch Buffer

8.5.

FP Memory Map

DMA2286 Datasheet(PDF) 2 Page - Micronas

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