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This user's guide describes the characteristics, operation, and use of the DAC8742H evaluation board
(EVM). This user's guide also discusses the proper setup and configuration of both software and
hardware, and reviews various aspects of program operation. A complete circuit description, schematic
diagram, and bill of materials are also included in this document.
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DAC8742HEVM Hardware Setup
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DAC8742H EVM Software Page Selection
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DAC8742HEVM Board Schematic
SLAU700A - June 2017 - Revised November 2017
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Copyright © 2017, Texas Instruments Incorporated
SLAU700A - June 2017 - Revised November 2017
DAC8742H Evaluation Module
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User's Guide
DAC8742H Evaluation Module
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Table of Contents
Related Manuals for Texas Instruments DAC8742H
Summary of Contents for Texas Instruments DAC8742H
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Page 1: Table Of Contents
SLAU700A – June 2017 – Revised November 2017 DAC8742H Evaluation Module This user's guide describes the characteristics, operation, and use of the DAC8742H evaluation board (EVM). This user’s guide also discusses the proper setup and configuration of both software and hardware, and reviews various aspects of program operation. - Page 2 Internal Mode Shunt Selection ............. External Filter Mode With Internal REF Shunt Selection ................. DAC8742H Test Board Bill of Materials Trademarks Microsoft, Windows are registered trademarks of Microsoft Corporation. LabVIEW is a trademark of National Instruments Corporation. All other trademarks are the property of their respective owners.
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Page 3: Overview
Overview This EVM features the DAC8742H device, which is a Highway Addressable Remote Transducer (HART), FOUNDATION Fieldbus (FF), and Profibus process automation (PA) compliant low-power frequency-shift keying (FSK) modem designed for industrial process control and industrial automation applications. The device includes an integrated receive band-pass filter, flexible clocking options and can operate from a 1.8- to 5.5-V range. -
Page 4: Dac8742Hevm Hardware Setup
(AVDD/IOVDD) Power (HART/PAFF) USB2ANY TX/RX Connection DAC8742H Copyright © 2017, Texas Instruments Incorporated Figure 2. DAC8742H Test Board Block Diagram DAC8742H Evaluation Module SLAU700A – June 2017 – Revised November 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 5: Usb2Any Signal Definition
SPI SCLK or general purpose I/O REF_EN DAC8742H reference enable IF_SEL DAC8742H IF_SEL pin BPF_EN General purpose I/O DAC8742H rest Line SLAU700A – June 2017 – Revised November 2017 DAC8742H Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 6: Dac8742Hevm Software Setup
NOTE: Verify that the USB2ANY is not connected before the software installation, as this may affect file or driver installation. DAC8742H Evaluation Module SLAU700A – June 2017 – Revised November 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 7: Dac8742Hevm Hardware Overview
USB2ANY can supply IOVDD and AVDD by populating the JP6 shunt to position (1 – 2) and connecting shunt J5. SLAU700A – June 2017 – Revised November 2017 DAC8742H Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 8: Dac8742H Reference Connection
Connects external reference to REF net Populate Connects external reference to REF net Digital Inputs The digital communication lines of the DAC8742H device can be accessed through the USB2ANY header connection (J2) or the J6 header block, which are listed in Table 7 Table 8, along with the digital input signals of the DAC8742H device. -
Page 9: Clock Configuration
PROFIBUS PA 0.5 × IOVDD 4-MHz output 4-MHz crystal oscillator, CLKO enabled The XTAL1 and XTAL2 pins of the DAC8742H device are also configurable through the JP1, JP2, and J1 jumpers (see Table 10). Table 10. XTAL1 and XTAL2 Configuration Settings... -
Page 10: Hart/Paff Shunt Selection
The DAC8742HEVM includes various options in allowing the user to connect to an external filter or external reference. Additionally, these external options can be bypassed as the DAC8742H device includes an internal HART/PAFF filter, as well as an internal reference. The following configurations display the jumper configurations required for external filter use or internal filter operation. -
Page 11: Dac8742Hevm Software Overview
This section discusses how to use the DAC8742HEVM software. Starting the DAC8742HEVM Software Once the DAC8742H EVM software is installed, the PC may have to be restarted. To launch the software, locate the Texas Instruments folder in the All Programs menu and select the DAC8742H EVM icon. -
Page 12: Dac8742Hevm Software Features
DAC8742HEVM Software Overview www.ti.com DAC8742HEVM Software Features The DAC8742H EVM incorporates interactive functions that help configure the DAC8742H device. These functions are built into several GUI pages, as shown in Figure 6. The Page Selection menu allows the user to switch between the pages; each page representing a feature of the software. -
Page 13: Low Level Configuration Page
7) allows the user to access low-level communication directly with the DAC8742H registers. Selecting a register on the Register Map list will present a description of the values in that register as well as show information on the address, default value, size, and current value of the register. -
Page 14: High Level Configuration Page
5.2.2 DAC8742HEVM High Level Configuration Page The High Level Configuration page provides an interface to observe and control the different data registers, modes, and configurations available for the DAC8742H device. Figure 9 displays this page. Figure 9. High Level Configuration Page This page is broken into three sections responsible for different modes of communication (UART/SPI), as well as HART or PAFF mode of operation. -
Page 15: Mode Section
/RESET, IF_SEL, REF_EN, and BPFEN pin. These buttons are shown in Figure highlighted with yellow boxes. Figure 11. DAC8742HEVM Digital Input Selection SLAU700A – June 2017 – Revised November 2017 DAC8742H Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 16: Dac8742Hevm Documentation
Generate Write button (Green box), and this shifts the contents into the FIFO and transmit for the specified industrial protocol (HART/PAFF). Press the Generate Read button (Orange box) if you are expecting an incoming transmission to the DAC8742H device. Once pressed, the HART/PAFF Read field (Yellow box) will update with the captured data. -
Page 17: Dac8742Hevm Board Schematic
JP19 JP20 1.00M AGND AGND AGND BPF_EN REF_EN Copyright © 2017, Texas Instruments Incorporated AGND Figure 13. DAC8742HEVM Board Schematic SLAU700A – June 2017 – Revised November 2017 DAC8742H Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 18: Dac8742Hevm Pcb Components Layout
DAC8742HEVM PCB Components Layout Figure 14 shows the layout of the components for the DAC8742HEVM board. Copyright © 2017, Texas Instruments Incorporated Figure 14. DAC8742HEVM PCB Components Layout DAC8742H Evaluation Module SLAU700A – June 2017 – Revised November 2017 Submit Documentation Feedback Copyright ©... -
Page 19: Dac8742H Test Board Bill Of Materials
DAC8742HEVM Documentation www.ti.com DAC8742H Test Board Bill of Materials Table 13 lists the DAC8742H BOM. Table 13. DAC8742H Test Board Bill of Materials Designator Quantity Value Description Package Part Number Manufacturer Alternate Alternate Reference Part Number Manufacturer !PCB1 Printed circuit board PA032 –... - Page 20 DAC8742HEVM Documentation www.ti.com Table 13. DAC8742H Test Board Bill of Materials (continued) Designator Quantity Value Description Package Part Number Manufacturer Alternate Alternate Reference Part Number Manufacturer Header, 100 mil, 8 × 1, gold, TH 8 × 1 header TSW-108-07-G-S Samtec JP1, JP2, Header, 100 mil, 3 ×...
- Page 21 DAC8742HEVM Documentation www.ti.com Table 13. DAC8742H Test Board Bill of Materials (continued) Designator Quantity Value Description Package Part Number Manufacturer Alternate Alternate Reference Part Number Manufacturer TP5, TP6, Test point, multipurpose, black, Black multipurpose 5011 Keystone TP7, TP8 test point...
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Page 22: Revision History
......................Page .................... • Changed Contents of DAC8742H Kit table ................• Changed DAC8742H Test Board Block Diagram image ....................• Changed Default Jumper Settings table • Changed DAC8742HEVM Power Configurations section shunt information and DAC8742HEVM Power Supply ........................Configuration table .............. - Page 23 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
- Page 24 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
- Page 25 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/ /www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 3.4 European Union 3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive): This is a class A product intended for use in environments other than domestic environments that are connected to a low-voltage power-supply network that supplies buildings used for domestic purposes.
- Page 26 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2017, Texas Instruments Incorporated...
- Page 27 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...
- Page 28 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments DAC8742HEVM...