Texas Instruments DAC53608 Manuale utente

SLAU790A–October 2018–Revised December 2018

DAC53608 Evaluation Module

User's Guide

SLAU790A–October 2018–Revised December 2018

DAC53608 Evaluation Module

This user's guide describes the characteristics, operation, and use of the DAC53608 evaluation module

(EVM). This document also discusses the proper setup and configuration of both software and hardware,

and reviews various aspects of program operation. Throughout this document, the terms evaluation board,

evaluation module, and EVM are synonymous with the DAC53608EVM. A complete circuit description,

schematic diagram, and bill of materials are also included in this document.

Contents

1 Overview ..................................................................................................................... 3

2 System Setup ................................................................................................................ 4

3 Detailed Description......................................................................................................... 9

4 Schematic, PCB Layout, and Bill of Materials.......................................................................... 20

List of Figures

1 DAC53608EVM Software Setup........................................................................................... 4

2 Software Installation Path .................................................................................................. 5

3 TI Cloud Agent Installation ................................................................................................. 6

4 Analog EVM Controller Setup.............................................................................................. 6

5 Hardware Setup.............................................................................................................. 7

6 Hardware Setup Guidelines................................................................................................ 8

7 BOOSTXL-DAC-PORT Hardware Block Diagram....................................................................... 9

8 DAC53608EVM Hardware Block Diagram.............................................................................. 12

9 DAC53608EVM GUI Location............................................................................................ 14

10 DAC53608EVM GUI Connection Detection ............................................................................ 14

11 Software Home Page...................................................................................................... 15

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DAC53608 Evaluation Module

12 Setup Page.................................................................................................................. 16

13 DAC Quick Start Page..................................................................................................... 17

14 Register Map Page ........................................................................................................ 18

15 Register Page Options .................................................................................................... 18

16 Collateral Page ............................................................................................................. 19

17 BOOSTXL-DAC-PORT Schematic Page 1 ............................................................................. 21

18 BOOSTXL-DAC-PORT Schematic Page 2 ............................................................................. 22

19 DAC53608EVM Schematic ............................................................................................... 23

20 BOOSTXL-DAC-PORT PCB Components Layout..................................................................... 25

21 BOOSTXL-DAC-PORT Top Layer....................................................................................... 25

22 BOOSTXL-DAC-PORT Bottom Layer................................................................................... 26

23 DAC53608EVM PCB Components Layout ............................................................................. 26

24 DAC53608EVM Layers.................................................................................................... 27

List of Tables

1 Contents of DAC53608EVM Kit............................................................................................ 3

2 Required Components not Part of the Kit ................................................................................ 3

3 Related Documentation..................................................................................................... 3

4 DAC53608EVM Power Supply Inputs .................................................................................... 7

5 BOOSTXL-DAC-PORT Jumper Settings................................................................................. 7

6 BOOSTXL-DAC-PORT J13 Pin Definitions............................................................................. 10

7 BOOSTXL-DAC-PORT J14 Pin Definitions............................................................................. 10

8 BOOSTXL-DAC-PORT J4 Pin Definitions .............................................................................. 11

9 BOOSTXL-DAC-PORT J5 Pin Definitions .............................................................................. 11

10 BOOSTXL-DAC-PORT J12 Pin Definitions............................................................................. 12

11 DAC53608EVM J2 Pin Definitions....................................................................................... 13

12 DAC53608EVM J1 Pin Definitions....................................................................................... 13

13 BOOSTXL-DAC-PORT Bill of Materials................................................................................. 28

14 DAC53608EVM Bill of Materials.......................................................................................... 30

Trademarks

Windows is a trademark of Microsoft Corporation.

All other trademarks are the property of their respective owners.

www.ti.com

Overview

SLAU790A–October 2018–Revised December 2018

DAC53608 Evaluation Module

1 Overview

The DAC53608EVM is an easy to use platform for evaluating the functionality and performance of the

DAC53608 device. The DAC53608 and DAC43608 are a pin-compatible family of eight-channel, buffered

voltage-output digital-to-analog converters (DACs) that have 10-bit and 8-bit resolution. The external

reference range of 1.8 V to 5.5 V gives full scale output voltage of 1.8 V to 5.5 V. These devices are

monotonic across the power supply range. The devices communicate through an I2C interface. These

devices support I2C standard mode (100 kbps), fast mode (400 kbps), and fast+ mode (1 Mbps). These

devices have a load DAC (LDAC) pin that allows simultaneous DAC updates. The EVM provides the

GPIO and I2C programming interface using a PC-based graphical user interface (GUI).

1.1 Kit Contents

Table 1 details the contents of the EVM kit. Contact the TI Product Information Center nearest you if any

component is missing. TI highly recommends that the user verify latest versions of the related software at

the TI website, www.ti.com.

Table 1. Contents of DAC53608EVM Kit

Item Quantity

DAC53608EVM evaluation board PCB 1

Table 2. Required Components not Part of the Kit

Item Quantity

BOOSTXL-DAC-PORT 1

MSP-EXP432E401Y Launchpad (Analog EVM Controller) 1

The Analog EVM Controller can be purchased from this page on www.ti.com.

1.2 Related Documentation from Texas Instruments

The following document provides information regarding Texas Instruments integrated circuits used in the

assembly of the DAC53608EVM. This user's guide is available from the TI web site under literature

number SLAU790. Any letter appended to the literature number corresponds to the document revision that

is current at the time of the writing of this document. Newer revisions may be available from the TI web

site at http://www.ti.com/, or call the Texas Instruments Literature Response Center at (800) 477-8924 or

the Product Information Center at (972) 644-5580. When ordering, identify the document by both title and

literature number.

Table 3. Related Documentation

Document Literature Number

DAC53608 product data sheet SLASEQ4

System Setup

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DAC53608 Evaluation Module

2 System Setup

2.1 Software Setup

This section provides the procedure for EVM software installation.

2.1.1 Operating Systems

The EVM software is compatible with the Windows™ 7, Windows 8, and Windows 10 operating systems.

2.1.2 Software Installation

The software is available on the product folder. It can also be found on GUI Composer Gallery. Search for

"DAC53608EVM" on the GUI Composer Gallery. Use the down arrow symbol to download the software.

There are two downloads: one DAC53608EVM GUI and another, GUI Composer Runtime. You can either

download both the software or just download the EVM GUI. The runtime can be downloaded through the

EVM GUI during installation. Note that the software can also be run online by clicking on it. But this is not

recommended unless you have the firmware and driver upgraded. After the software is downloaded onto

the PC, navigate to the download folder and run the DAC53608EVM software executable, as shown in

Figure 1. When the DAC53608EVM software is launched, an installation dialog window opens and

prompts the user to select an installation directory. If left unchanged, the software location defaults to

C:\Program Files (x86)\Texas Instruments\DAC53608 EVM as shown in Figure 2. In case there is no

previous installation of the GUI Composer Runtime, the installer will also ask for automatic download from

the web. Select to install.

Figure 1. DAC53608EVM Software Setup

The software installation automatically copies the required files and drivers to the local machine.

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System Setup

SLAU790A–October 2018–Revised December 2018

DAC53608 Evaluation Module

Figure 2. Software Installation Path

2.1.3 Analog EVM Controller Firmware Upgrade

The firmware for the Analog EVM Controller needs to be upgraded for the first time before using the

software. A jumper modification needs to be done and the USB cable should be connected to the XDS110

port of the Analog EVM Controller for downloading firmware. The firmware can be downloaded to the

Analog EVM Controller using the online tool UniFlash. This link is also provided on the Setup page of the

GUI. The firmware bin file can be found at "<Download

Directory>\DAC53608EVM_1.0.1_installer_win\install_image_DAC53608EVM\DAC53608EVM\firmware\ac

ctrl.0.3.0.3.bin" after unzipping the file install_image_DAC53608EVM.zip.

Follow the step-by-step procedure below to upgrade the firmware and install the device drivers

successfully:

• Remove jumper JP6 on Analog EVM Controller as shown in step 1 of Figure 4

• Mount jumper on 5V-OTG. The jumper on 5V-XDS should be retained as shown in step 1 of Figure 4

• Connect the USB cable to the port on the XDS110 side of the board as shown in step 2 of Figure 4

• Connect the USB cable to PC and open UniFlash. Click on Start Now in the Detect Device section

• In case the GUI Composer framework is being installed for the first time on the PC, the browser

extension and the TI Cloud Agent need to be installed. Follow the 2-step installation flow prompted on

the web page as shown in Figure 3

System Setup

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Figure 3. TI Cloud Agent Installation

• Press the Refresh or Finish button after the installation. This should detect the Launchpad

• Press Start and browse for "<Download

Directory>\DAC53608EVM_1.0.1_installer_win\install_image_DAC53608EVM\DAC53608EVM\firmwar

e\acctrl.0.3.0.3.bin". Press Load Image followed by Verify Image

• Once the firmware is loaded, remove the USB cable from the XDS110 port and connect to the port U7

as shown in step 4 of Figure 4. U7 is available near the RJ-45 connector on the board

• Open Control Panel-->Device Manager and you will find two new ports, probably with the name of

Virtual COM Port or some other generic names

• Right click on each one and select Update Driver and link them to the driver file inside the "<Download

Directory>\DAC53608EVM_1.0.1_installer_win\install_image_DAC53608EVM\DAC53608EVM\driver"

directory. This will enumerate the ports as ACCtrl and ACCtrl Console inside Ports (COM & LPT). The

serial port connection is done to the ACCtrl port as discussed later in the document.

Figure 4. Analog EVM Controller Setup

Firmware USB Port

Analog EVM Controller (MSP432E401Y)

BOOSTXL-DAC-PORT

Optional Function Extender Card

DEBUG USB Port (U7)

DAC EVM

Optional Jumpers/Test Points

Jumpers/Test Points

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System Setup

SLAU790A–October 2018–Revised December 2018

DAC53608 Evaluation Module

2.2 Hardware Setup

This section provides the overall system setup for the EVM. The hardware setup contains the Analog EVM

Controller (MSP-EXP432E401Y Launchpad), BOOSTXL-DAC-PORT, and DAC53608EVM. A PC runs

software that provides an interface to the DAC53608EVM through the Analog EVM Controller. The Analog

EVM Controller generates 5V power that can be used as VDD for the DAC. It also generates a 3.3V

power that can be used for I2C pull-ups. The IO ports of Analog EVM Controller and level translators used

on the BOOSTXL-DAC-PORT and DAC53608EVM can withstand a maximum of 3.6V IO levels. The

Analog EVM Controller also generates digital signals used to communicate with the EVM board. The

BOOSTXL-DAC-PORT is a generic platform used for catalog DACs. It provides a predefined interface to

connect a DAC evaluation module. It provides various options for power supply, reference, and digital

signals. A connector is provided on the BOOSTXL-DAC-PORT for external power supplies. This platform

is designed to host additional boards stacked up on the BOOSTXL-DAC-PORT in order to provide

extended functions. Figure 5 displays the system setup for the DAC53608EVM.

Figure 5. Hardware Setup

2.2.1 Power Configurations and Jumper Settings

The DAC53608EVM provides electrical connections to the device supply pins. The connectors and

optional configurations are shown in the Table 4. The jumper settings on the BOOSTXL-DAC-PORT are

crucial to the proper functioning of the DAC53608EVM. Table 5 provides the details of the possible jumper

settings on BOOSTXL-DAC-PORT.

Table 4. DAC53608EVM Power Supply Inputs

DAC53608EVM

Connector/Pin Supply Name Voltage Range

J2.1 VDD 1.8V to 5.5V (5V Available on Analog EVM Controller), Jumper

J9.1-2 on BOOSTXL-DAC-PORT

J1.8 VIO 1.8V to 3.6V (3.3V Available on Analog EVM Controller),

Jumper J10.1-2 on BOOSTXL-DAC-PORT

J1.7 DAC_VIO 1.8V to 3.6V, Jumper J11.1-2 on BOOSTXL-DAC-PORT

J1.1 GND 0 V

Table 5. BOOSTXL-DAC-PORT Jumper Settings

Jumper Default Position Available Option Description

J3 1-2: On-board Reference 2-3: External Reference External or On-board Reference

Selection

J6 2-3: Zener Reference 1-2: VDD Reference Zener or VDD Reference

J7 2-3: 2.5V Reference 1-2: 5V Reference 2.5V or 5V Reference Selection

J8 2-3: Unused on DAC53608 1-2: Unused on DAC53608 External or On-board LDAC

Selection

J9 1-2: 5V from Launchpad 2-3: External VDD 5V or External VDD

System Setup

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Table 5. BOOSTXL-DAC-PORT Jumper Settings (continued)

Jumper Default Position Available Option Description

J10 1-2: 3.3V from Launchpad 2-3: External VIO 3.3V or External VIO

J11 Closed: DAC_VIO is connected to

VIO Open: DAC_VIO OFF DAC_VIO ON/OFF

2.2.2 Connecting the Hardware

Once the Analog EVM Controller firmware is upgraded as described in Section 2.1.3 and power and

jumper configurations done as per Section 2.2.1, the BOOSTXL-DAC-PORT, and DAC53608EVM can be

connected as shown in Figure 6. Connect the USB cable from the Analog EVM Controller DEBUG Port

(U7) to the PC.

Figure 6. Hardware Setup Guidelines

2.2.3 Electrostatic Discharge Warning

Many of the components on the DAC53608EVM are susceptible to damage by electrostatic discharge

(ESD). Observe proper ESD handling precautions when unpacking and handling the EVM, including the

use of a grounded wrist strap at an approved ESD workstation.

External

Power

Digital Level

Translator

Launchpad Inter face

Launchpad Interface

DAC EVM Interface

I2Cl Level Translator

Power Supply

Jumper Settings

Analog and Power Supply Function Extender

Reference Jumper

Settings

I2C

SPI/GPIO

5V/3.3V

Analog IO

Power and Reference

External Reference

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Detailed Description

SLAU790A–October 2018–Revised December 2018

DAC53608 Evaluation Module

3 Detailed Description

3.1 Hardware Description

The following sections provide detailed information on the EVM hardware and jumper configuration

settings.

3.1.1 Theory of Operation for BOOSTXL-DAC-PORT

The BOOSTXL-DAC-PORT is a generic evaluation platform for catalog DACs, which provide various

options for power supply, reference, communication interfaces, and GPIO for a DAC EVM. The DAC EVM

interfaces with a predefined set of signals common to a precision DAC. The block diagram of this board is

shown in Figure 7.

Figure 7. BOOSTXL-DAC-PORT Hardware Block Diagram

Detailed Description

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3.1.2 Signal Definition of BOOSTXL-DAC-PORT

The BOOSTXL-DAC-PORT provides hardware connectors for the Analog EVM Controller (J13, J14),

External Power (J12), DAC53608EVM (J1, J2), and External Function Extender (J4, J5). The descriptions

are provided in the following tables.

Table 6. BOOSTXL-DAC-PORT J13 Pin Definitions

Pin# Signal Description

11 GPIO General purpose I/O

12 CS SPI CS or General purpose

I/O

13 GPIO SPI

14 MISO SPI MISO

15 MOSI SPI MOSI

16 RST MCU Reset Output

17 GPIO General purpose I/O

18 GPIO General purpose I/O

19 GPIO General purpose I/O

20 GND Ground

31 GPIO General purpose I/O

32 GPIO General purpose I/O

33 GPIO General purpose I/O

34 GPIO General purpose I/O

35 EXT_LDAC External LDAC I/O

36 EXT_LDAC External LDAC I/O

37 SPI_BUF_EN Digital, SPI Buffer Enable

38 GPIO General purpose I/O

39 GPIO General purpose I/O

40 GPIO General purpose I/O

Table 7. BOOSTXL-DAC-PORT J14 Pin Definitions

Pin# Signal Description

1 +3.3V +3.3V Power Supply

2 GPIO General purpose I/O

3 GPIO General purpose I/O

4 GPIO General purpose I/O

5 GPIO General purpose I/O

6 GPIO General purpose I/O

7 SCLK_A0 SPI SCLK or I2C A0

8 GPIO General purpose I/O

9 SCL I2C SCL

10 SDA I2C SDA

21 +5V +5V Power Supply

22 GND Ground

23 GPIO General purpose I/O

24 GPIO General purpose I/O

25 VDD_SENSE Sense Input for VDD

26 VIO_SENSE Sense Input for VIO

27 GPIO General purpose I/O

28 GPIO General purpose I/O

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