MAS3504D datasheet(2/40 Pages) MICRONAS

2 / 40 page

MAS 3504D

Micronas

Contents

Page

Section

Title

Introduction

1.1.

Features

1.2.

Application Overview

1.2.1.

Decoder Mode

1.2.2.

Encoder Mode

Functional Description of the MAS 3504D

2.1.

DSP Core

2.2.

Firmware (Internal Program ROM)

2.2.1.

G.729 Encoder

2.2.2.

G.729 Decoder

2.3.

Program Download Feature

2.4.

Clock Management

2.5.

Power Supply Concept

2.5.1.

Internal Voltage Monitor

2.5.2.

DC/DC Converter

2.5.3.

Stand-by Functions

2.5.4.

Start-up Sequence

2.6.

Interfaces

2.6.1.

Parallel Input Output Interface (PIO)

2.6.2.

Parallel Data Output

2.6.3.

Parallel Data Input

2.6.3.1.

DMA Handshake Protocol

2.6.3.2.

End of DMA Transfer

2.6.4.

Audio Input Interface (SDI)

2.6.5.

Audio Output Interface (SDO)

2.6.5.1.

Example 1:16 Bits/Sample (I2S Compatible Data Format)

2.6.5.2.

Example 2:32 Bit/Sample (Inverted SOI)

Control Interfaces

3.1.

I2C Bus Interface

3.1.1.

Device address and Subaddresses

3.2.

Command Structure

3.2.1.

Conventions for the Command Description

3.3.

Detailed MAS 3504D Command Syntax

3.3.1.

Run

3.3.2.

Write Register

3.3.3.

Write D0 Memory

3.3.4.

Write D1 Memory

3.3.5.

Read Register

3.3.6.

Read D0 Memory

3.3.7.

Read D1 Memory

3.4.

Version Number

3.5.

3.5.1.

DC/DC Converter (Reg. 8Ehex)

3.5.2.

User Control (Reg. FDhex)

3.5.2.1.

Data Transmission Format

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