Texas Instruments TAS3308EVM Manuale utente

TAS3308EVM

Evaluation Module for theTAS3308 Digital Audio Signal Processor

User's Guide

March 2008 Digital Audio & Video Products

SLEU093

TAS3308EVM

Evaluation Module for theTAS3308 Digital Audio Signal Processor

User's Guide

Literature Number: SLEU093March 2008

Contents

Preface ............................................................................................................................... 5

1 Overview ................................................................................................................... 71.1 TAS3308EVM Features ............................................................................................ 81.2 PCB Component Map ............................................................................................ 11

2 Quick Setup Guide .................................................................................................... 132.1 Electrostatic Discharge Warning ................................................................................ 142.2 Unpacking the EVM ............................................................................................... 142.3 Power Supply Setup .............................................................................................. 142.4 Digital Audio Inputs/Outputs ..................................................................................... 142.5 Master/Slave Mode Operation ................................................................................... 152.5.1 Master Mode .............................................................................................. 152.5.2 Slave Mode ............................................................................................... 152.6 EVM Default Configuration ....................................................................................... 152.7 TAS3308 Software Installation .................................................................................. 16

3 System Interfaces ..................................................................................................... 233.1 Control Interface (Control1), Input .............................................................................. 243.2 Digital Audio Interface, Input (J1) ............................................................................... 243.3 PWM Output (J4) .................................................................................................. 253.4 Analog Input (J6) .................................................................................................. 263.5 Digital Audio Interface, Output (J9) ............................................................................. 263.6 RCA Connectors .................................................................................................. 273.7 MSP430 Port Connector (J3) .................................................................................... 273.8 I

S Master Slave Jumper (JP3) .................................................................................. 27

4 MSP430 Programming ............................................................................................... 294.1 Example of MSP430 Programming ............................................................................. 30

Important Notices ............................................................................................................... 31

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List of Figures

1-1 TAS3308EVM System ...................................................................................................... 91-2 TAS3308EVM System ..................................................................................................... 101-3 TAS3308EVM Component View ......................................................................................... 112-1 GDE Startup ................................................................................................................ 172-2 Setting the I

C Initialization Sequence .................................................................................. 172-3 Specifying the I

C Initialization Sequence .............................................................................. 182-4 Loading a Process Flow ................................................................................................... 192-5 Loading a Process Flow (Part B) ......................................................................................... 202-6 GDE Test Process Flow ................................................................................................... 214-1 MSP430 Control Example ................................................................................................ 30

List of Tables

2-1 Recommended Supply Voltages for EVM Board ...................................................................... 142-2 JP2 Clock Master/Slave Setting .......................................................................................... 153-1 Control1 Pin Description ................................................................................................... 243-2 J1 Pin Description .......................................................................................................... 243-3 J4 Pin Description .......................................................................................................... 253-4 J6 Pin Description .......................................................................................................... 263-5 J9 Pin Description .......................................................................................................... 273-6 RCA Connectors Pin Description ........................................................................................ 273-7 J3 Pin Description .......................................................................................................... 273-8 JP3 Pin Description ........................................................................................................ 28

4List of Figures SLEU093 – March 2008Submit Documentation Feedback

Preface

SLEU093 – March 2008

Read This First

About This Manual

This manual describes the operation of the TAS3308EVM evaluation module from Texas Instruments.

How to Use This ManualThis document contains the following chapters:

Chapter 1 – Overview

Chapter 2 – Quick Setup Guide

Chapter 3 – System Interfaces

Chapter 4 – MSP430

Information About Cautions and WarningsThis manual may contain cautions and warnings.

CAUTION

This is an example of a caution statement.

A caution statement describes a situation that could potentially damage yoursoftware or equipment.

WARNINGThis is an example of a warning statement.

A warning statement describes a situation that could potentiallycause harm to you.

The information in a caution or a warning is provided for your protection. Please read each caution andwarning carefully.

Related Documentation From Texas InstrumentsThe following table contains a list of data manuals that have detailed descriptions of the integrated circuitsused in the design of the TAS3308EVM. The data manuals can be obtained at the URL http://www.ti.com .

Related Documentation from Texas Instruments

Part Number Literature Number

TAS3308 TAS3308 Data ManualTLV1117-33 SLVS561TPS3825-33 SLVS165

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Additional Documentation

1. Graphical Development tool (GDE) for TAS3308 (GDE ver. 1.7 or later)2. General Application Notes

Trademarks

Equibit™ and PurePath Digital™ are trademarks of Texas Instruments.

6Read This First SLEU093 – March 2008Submit Documentation Feedback

Chapter 1SLEU093 – March 2008

Overview

The TAS3308EVM PurePath Digital™ customer evaluation module demonstrates the Digital AudioProcessor TAS3308 from Texas Instruments (TI).

TAS3308 is a fully programmable high-performance audio processor. It uses an efficient, custom,multi-instruction programming environment optimized for digital audio processing algorithms. TheTAS3308 architecture provides high-quality audio processing by using a 48-bit data path, 28-bit filtercoefficients, and a single-cycle 28 ×48-bit multiplier with a 76-bit accumulator. An embedded 8051microprocessor provides algorithm and data control for the TAS3308. The TAS3308 is the commercialversion intended for home audio and other commercial applications.

This is a single board EVM. EVM can be configured with a TAS5601 or similar power stage. Thiscombination will provide complete signal processing and power amplification system solution whichincludes digital input/output (S/PDIF), analog inputs/outputs, interface to PC and DAP features like digitalvolume control, input and output mixers, auto mute, equalization, tone controls, loudness, dynamic rangecompression, surround effects.

The TAS3308 is well suited for inclusion in Digital Televisions, Home Theater Systems, Mini-ComponentAudio Systems and Pro-Audio systems.

Topic .................................................................................................. Page

1.1 TAS3308EVM Features ................................................................ 81.2 PCB Component Map ................................................................ 11

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1.1 TAS3308EVM Features

TAS3308EVM Features

•Socketed EEPROM for download of program and coefficients•6-channel discrete I

S input/4-channel I

S outputs•2-channel SPDIF receiver, optical input, into TAS3308 SDIN1•2-channel SPDIF transmitter, optical output from TAS3308 SDOUT1•2-channel SPDIF, optical input to TAS3308 SPDIFin•2-channel SPDIF, optical output from TAS3308 SDOUT2/SPDIFout•A 10-input multiplexed ADC input•PWM DAC stereo line output•One PWM DAC Headphone output•One Line output•USB to PC connection for software control•MSP430 for Standalone operation•Double-sided plated-through PCB layout

The primary usage mode of the EVM is to provide a software development platform that receives thecontrol and signal processing flow descriptions from a PC running the PurePath Studio GraphicalEnvironment (GDE) or Integrated Development Environment (IDE) through the USB interface. In thismode of operation, the user will develop a signal processing flow (applications) and components using thePurePath Studio. The resulting programs can be loaded into the EVM EEPROM. The TAS3308 will thenload the EEPROM contents and execute the signal processing flows. During execution, many of theTAS3308 signal processing flow parameters can be dynamically changed using the PurePath StudioGraphical development environment. Additional information on using the EVM with the PurePath Studiodevelopment environment is included in subsequent sections of this document and in the PurePath Studioonline documentation.

The EVM has a Reset Button which resets all of the board logic. A red RESET LED is lit when Reset isactive. The EVM also has a Mute button to mute the TAS3308 outputs. The Mute function is automaticallyactivated following a reset. A yellow mute LED is lit when Mute is active.

The EVM also contains a MSP430F2252 controller that can be programmed to provide stand aloneoperation using the EVM push buttons or an IR remote input. The microcontroller interfaces to theTAS3308 through the I

C, GPIO, and the Reset control lines. The microcontroller has and IR receiver,eight (8) circuit board pushbuttons and eight (8) LEDs to support user inputs.

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+ 9V

GND

+ 9V

GND

+5V_PWR

-5V_PWR

+3.3V_PWR

VALID

FAULT

N/C

PWM3_RI

PWM3_RD

PWM3_LI

PWM3_LD

PWM2_RI

PWM2_RD

PWM2_LI

PWM2_LD

PWM1_RI

PWM1_RD

PWM1_LI

PWM1_LD

TAS3308EVM

USB In

SDIN3

SDIN2

SDIN1

LRCLKIN

SCLKIN

MCLKIN

SPDIFin I2S

I2S Sig In

I2S Sig Out

GND

SPDIF_OUT

SPDIF_IN

SDOUT2

SDOUT1

LRCLKOUT

SCLKOUT

MCLKOUT

GND

Control

Input

Line Out 1

Headphone

SPDIF I/O

MSP430

Control

Power

Digital

Input

Analog

Output

TAS3308

Analog

Comp

SDA

SCL

GND

3.3V

GPIO1

GPIO2

/RESET

/MUTE

GND

TUSB USB

Control

Digital Input/ Output

Lineout1L

Lineout1R

Line Out

Push

Buttons

RCA

GND

+ 9V

GND

- 9V

SPDIFout I2S

] I2S Slave

] I2S Master

Analog

Input

L10

R10

PWM OUTPUT

TAS3308EVM Features

Figure 1-1. TAS3308EVM System

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FAULT

SH T 5

SH T 3

SHT 7

SH T 6

SH T 9

SH T10

FAULT

LEDs

SDA

GPIOx

SDA

RESET2

MUTE

3.3V

SHEET 8

(OPTICAL

SPDIF IN

+5V

9V-1 IN

SPDIF OUT

-5V

9V-2 IN

SH T 9

Lock

SCL

SH T 4

SH T 2

SH T 3

SH T 9 SHT 10

TYPE A JACK

EEPROM1

USB

Push Buttons

OPTICAL

SPDIF IN I2S

RESET-USB

GPIOx

DATA1

DATA2

MCLK

DATA0

SCLK

LRCLK

MCLK

SDIN1

LINx

SDIN2

SDIN1

SDIN3

MCLK

SCLK

LRCLK

3.3V

+5V

POWER

SUPPLY

PWM2

PWM3

PWM1

SDOUT2

SDOUT1

LRCLKOUT

SCLKOUT

MCLKOUT

CONTROLLER

SCLK

TAS3308

EEPROM2

SH TS 11/12

TAS3308EVM Features

Figure 1-2. TAS3308EVM System

Overview 10 SLEU093 – March 2008Submit Documentation Feedback

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