Analog Devices EVAL-AD2437B1NZ Manual de usuario

EVAL-AD2437B1NZ Manual

Revision 2.1 , August 2023

Part Number

EVAL-AD2437B1NZ

Analog Devices, Inc.

One Technology Way

Norwood, MA 02062-9106

without prior, express written consent from Analog Devices, Inc.

Disclaimer

Analog Devices, Inc. reserves the right to change this product without prior notice. Information furnished by Ana-

log Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its

use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is

granted by implication or otherwise under the patent rights of Analog Devices, Inc.

Trademark and Service Mark Notice

The Analog Devices logo, Blackfin, SHARC, A2B, SigmaDSP, SigmaStudio+, and EngineerZone are registered

trademarks of Analog Devices, Inc.

All other brand and product names are trademarks or service marks of their respective owners.

Regulatory Compliance

The EVAL-AD2437B1NZ evaluation board is designed to be used solely in a laboratory environment. The board is

not intended for use as a consumer-end product or as a portion of a consumer-end product. The board is an open

system design, which does not include a shielded enclosure and, therefore, may cause interference to other electrical

devices in close proximity. This board should not be used in or near any medical equipment or RF devices.

The EVAL-AD2437B1NZ evaluation board contains ESD (electrostatic discharge) sensitive devices. Electrostatic

charges readily accumulate on the human body and equipment and can discharge without detection. Permanent

damage may occur on devices subjected to high-energy discharges. Proper ESD precautions are recommended to

avoid performance degradation or loss of functionality. Store unused boards in the protective shipping package.

EVAL-AD2437B1NZ Manual ii

Contents

Preface

Purpose of This Manual.................................................................................................................................1–2

Manual Contents ........................................................................................................................................... 1–2

Technical Support.......................................................................................................................................... 1–3

Supported Integrated Circuit ......................................................................................................................... 1–3

Supported Tools............................................................................................................................................. 1–3

Product Information...................................................................................................................................... 1–3

Analog Devices Website.............................................................................................................................. 1–3

EngineerZone ............................................................................................................................................. 1–4

Using the Board

Product Overview .......................................................................................................................................... 2–1

Package Contents........................................................................................................................................... 2–1

Default Configuration ................................................................................................................................... 2–2

Reference Design Information .......................................................................................................................2–3

AD2437 - Audio Bus A2B Transceiver ........................................................................................................... 2–3

ADAU1701 SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs .................................. 2–3

ADM6315 - Open-Drain Microprocessor Supervisory Circuit ......................................................................2–4

BD28623MUV - Class D Speaker Amplifier ................................................................................................. 2–4

LT8609 - 2A/3A Peak Synchronous Step-Down Regulator with 2.5μA Quiescent Current............................ 2–4

MMICT390200012 - Digital Output MEMS Microphone........................................................................... 2–5

Hardware Reference

Switches......................................................................................................................................................... 3–1

I2C Bus Select ( S1)................................................................................................................................... 3–2

User I/O Port ( S2) .................................................................................................................................... 3–3

Connectors .................................................................................................................................................... 3–3

A2B ( P1 and P13) .................................................................................................................................... 3–4

EVAL-AD2437B1NZ Manual iii

Audio I2S Connector ( P2) ........................................................................................................................ 3–4

Class D Speaker Connectors ( P16-P18 ) ................................................................................................. 3–4

ADC Input Connector ( P4 ) ..................................................................................................................... 3–4

DAC Output Connector ( P6 and P7 ) .................................................................................................. 3–4

Multipurpose pins ( P5 ) ............................................................................................................................ 3–5

ADAU1701 I2C Signals ( P10 )................................................................................................................. 3–5

AD2437 SPI Connector ( P15).................................................................................................................. 3–5

Jumpers ......................................................................................................................................................... 3–5

Boot ( P9) .................................................................................................................................................. 3–6

Gain ( JP2)................................................................................................................................................ 3–6

AD2437 SIO0 SELECT ( JP1) ................................................................................................................. 3–7

Mute ( JP3) ............................................................................................................................................... 3–7

LEDs ............................................................................................................................................................. 3–7

3.3V ( DS1)................................................................................................................................................ 3–8

A2B Interrupt ( DS2).................................................................................................................................. 3–8

User I/O Status ( DS3) ............................................................................................................................... 3–8

Port Connection Status ( DS4, DS8, DS9 and DS12) ...................................................................... 3–9

Mute Status ( DS6)..................................................................................................................................... 3–9

Power Status LED Indicator ...................................................................................................................... 3–9

iv EVAL-AD2437B1NZ Manual

1 Preface

Thank you for purchasing the Analog Devices, Inc. EVAL-AD2437B1NZ evaluation board.

The EVAL-AD2437B1NZ is an evaluation board to evaluate various peripherals of the AD2437 A2B (Audio Bus)

transceiver. Refer to the datasheet/manual to get more details about the AD2437.

The EVAL-AD2437B1NZ is configured to be a Bus-Powered Sub (BPS) node. The EVAL-AD2437B1NZ can be

connected to a Main node, Local-Powered Sub (LPS) or a Bus-Powered Sub (BPS) node. These evaluation boards

are intended to be used with the SigmaStudio+®graphical development tool.

Block Diagram of Evaluation Board:

Figure 1-1: Block Diagram

Preface

EVAL-AD2437B1NZ Manual 1–1

A PC host controls the AD2437 A2B main transceiver I2C/SPI signals over the USB-to- I2C/SPI bridge; US-

Bi(EVAL-ADUSB2EB). This allows SigmaStudio+ to directly discover and control an A2B network as well as to

read back registers and monitor performance.

The SigmaStudio+®graphical development tool is the programming, development, and tuning software for the Sig-

maDSP, A2B, and Sharc processors. Familiar audio processing blocks can be wired together as in a schematic, and

the compiler generates DSP-ready code and a control surface for setting and tuning parameters. This tool allows

engineers with no DSP code writing experience to easily implement a DSP into their design and yet is still powerful

enough to satisfy the demands of experienced DSP designers. SigmaStudio+ links with both Analog Devices evalua-

tion boards and production designs to provide full in-circuit real-time IC control.

SigmaStudio+ includes an extensive library of algorithms to perform audio processing such as filtering, mixing, and

dynamics processing, as well as basic low-level DSP functions and control blocks. Advanced record-side processing

algorithms such as Enhanced Stereo Capture and wind noise detection are included in the standard libraries. Plug-in

algorithms from Analog Devices and 3rd party partners can be added to SigmaStudio+'s drag-and-drop library.

Along with its graphical DSP signal flow development, SigmaStudio+ also includes other features to speed up the

design cycle from product concept to release. SigmaStudio+ includes tools for intuitively setting control registers,

calculating tables of filter coefficients, visualizing filter magnitude and phase responses, generating C header files,

and sequencing a series of controls to ease your transition from SigmaStudio+ to system implementation on your

microcontroller.

Purpose of This Manual

This manual provides instructions for installing the product hardware (board). This manual describes the operation

and configuration of board components and provides guidelines for running code on the board.

Manual Contents

The manual consists of:

•Using the board

Provides basic board information.

•Hardware Reference

Provides information about the hardware aspects of the board.

•Bill of Materials

A companion file in PDF format that lists all of the components used on the board is available on the website

at https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/EVAL-

AD2437B1NZ.html.

•Schematic

Purpose of This Manual

1–2 EVAL-AD2437B1NZ Manual

A companion file in PDF format documenting all of the circuits used on the board is available on the website

at https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/EVAL-

AD2437B1NZ.html.

Technical Support

You can reach Analog Devices technical support in one of the following ways:

•Post your questions in the A2B support community at EngineerZone®:

http://ez.analog.com/a2b/

•Submit your questions to technical support directly at:

http://www.analog.com/support

•E-mail your questions about A2B transceiver applications and SigmaStudio+ to:

[email protected]

•Contact your Analog Devices sales office or authorized distributor. Locate one at:

http://www.analog.com/adi-sales

Supported Integrated Circuit

This evaluation system supports the Analog Devices AD2437 IC.

Supported Tools

Information about SigmaStudio+ and the A2B software plug-in for the EVAL-AD2437B1NZ evaluation board is

available at: www.analog.com/SigmaStudio+.

Product Information

Information about the AD2437 product family is available at: www.analog.com/A2B

Analog Devices Website

The Analog Devices website, http://www.analog.com, provides information about a broad range of products - ana-

log integrated circuits, amplifiers, converters, transceivers, and digital signal processors.

Also note, MyAnalog.com is a free feature of the Analog Devices website that allows customization of a web page to

display only the latest information about products you are interested in. You can choose to receive weekly e-mail

notifications containing updates to the web pages that meet your interests, including documentation errata against

all manuals. MyAnalog.com provides access to books, application notes, data sheets, code examples, and more.

Technical Support

EVAL-AD2437B1NZ Manual 1–3

Visit MyAnalog.com to sign up. If you are a registered user, just log on. Your user name is your e-mail address.

EngineerZone

EngineerZone is a technical support forum from Analog Devices, Inc. It allows you direct access to ADI technical

support engineers. You can search FAQs and technical information to get quick answers to your embedded process-

ing and DSP design questions.

Use EngineerZone to connect with other DSP developers who face similar design challenges. You can also use this

open forum to share knowledge and collaborate with the ADI support team and your peers. Visit http://

ez.analog.com to sign up.

Product Information

1–4 EVAL-AD2437B1NZ Manual

2 Using the Board

This chapter provides information on the major components and peripherals on the board, along with instructions

for installing and setting up the emulation software.

Product Overview

The board features:

•Analog Devices AD2437 - Audio Bus A2B Transceiver

•Audio

•Analog Devices ADAU1701 SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs

•Rohm Semiconductor BD28623MUV - Class D Speaker Amplifier

•Four Stereo MMICT390200012 - Digital Output MEMS Microphone

•EEPROM

•Three 3.5mm audio jacks

•A2B

•Two XLR connectors

•LEDs

•Nine LED's

•Switches

•Three switches: Reset, SCL/SDA Select, and SIO2

Package Contents

Your EVAL-AD2437B1NZ package contains the following items.

•EVAL-AD2437B1NZ board

•A2B Software - Online Request Documentation

Using the Board

EVAL-AD2437B1NZ Manual 2–1

•XLR Cable

Contact the vendor where you purchased your EVAL-AD2437B1NZ evaluation board or contact Analog Devices,

Inc. if any item is missing.

Default Configuration

The Default Hardware Setup figure shows the default settings for jumpers and switches and the location of the

jumpers, switches, connectors, and LEDs. Confirm that your board is in the default configuration before using the

board.

P17

P16

P18

P19

DS10

DS1

DS2

DS3

JP1

P1 P13

DS4

DS8 DS12

DS9

DS5

P10

DS11

DS6

JP2 JP3

P15

Figure 2-1: Default Hardware Setup

Default Configuration

2–2 EVAL-AD2437B1NZ Manual

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