Texas Instruments DAC53204EVM User manual

User’s Guide
DAC53204EVM User's Guide
ABSTRACT
This user’s guide describes the characteristics, operation, and use of the DAC53204EVM evaluation module
(EVM). This EVM is designed to evaluate the performance of the DAC53204 and DAC43204 commercial,
buffered voltage output DACs in a variety of configurations. Throughout this document, the terms evaluation
board, evaluation module, and EVM are synonymous with the DAC53204EVM. This document includes a
schematic, reference printed-circuit board (PCB) layouts, and a complete bill of materials.
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Table of Contents
1 Overview..................................................................................................................................................................................4
1.1 Kit Contents........................................................................................................................................................................4
1.2 Related Documentation from Texas Instruments............................................................................................................... 4
2 System Setup.......................................................................................................................................................................... 5
2.1 Software Setup...................................................................................................................................................................5
2.2 Hardware Setup................................................................................................................................................................. 7
3 Detailed Description............................................................................................................................................................... 9
3.1 Hardware Description.........................................................................................................................................................9
3.2 Software Description........................................................................................................................................................ 14
4 Schematic, PCB Layout, and Bill of Materials................................................................................................................... 21
4.1 BOOSTXL-DAC-PORT Schematic...................................................................................................................................22
4.2 DAC53204EVM Schematic.............................................................................................................................................. 24
4.3 PCB Components Layout.................................................................................................................................................25
4.4 BOOSTXL-DAC-PORT Bill of Materials...........................................................................................................................27
4.5 DAC53204EVM Bill of Materials...................................................................................................................................... 28
List of Figures
Figure 2-1. DAC53204EVM Software Setup............................................................................................................................... 5
Figure 2-2. Software Installation Path..........................................................................................................................................5
Figure 2-3. TM4C1294 Connected LaunchPad™ Evaluation Kit Setup...................................................................................... 6
Figure 2-4. TI Cloud Agent Installation........................................................................................................................................ 6
Figure 2-5. Hardware Setup........................................................................................................................................................ 7
Figure 2-6. Hardware Setup Guidelines...................................................................................................................................... 8
Figure 3-1. BOOSTXL-DAC-PORT Hardware Block Diagram.....................................................................................................9
Figure 3-2. DAC53204EVM Hardware Block Diagram.............................................................................................................. 12
Figure 3-3. DAC53204EVM GUI Location................................................................................................................................. 14
Figure 3-4. DAC53204EVM GUI Connection Detection............................................................................................................ 14
Figure 3-5. Software Home Page.............................................................................................................................................. 15
Figure 3-6. Setup Page..............................................................................................................................................................16
Figure 3-7. DAC Quick-Start Page: Basic DAC Tab.................................................................................................................. 17
Figure 3-8. DAC Quick-Start Page: Margining Tab....................................................................................................................18
Figure 3-9. DAC Quick Start Page: Function Generation.......................................................................................................... 19
Figure 3-10. Register Map Page................................................................................................................................................20
Figure 3-11. Register Page Options...........................................................................................................................................20
Figure 3-12. Collateral Page......................................................................................................................................................21
Figure 4-1. BOOSTXL-DAC-PORT Schematic Page 1............................................................................................................. 22
Figure 4-2. BOOSTXL-DAC-PORT Schematic Page 2............................................................................................................. 23
Figure 4-3. DAC53204EVM Schematic..................................................................................................................................... 24
Figure 4-4. BOOSTXL-DAC-PORT PCB Components Layout..................................................................................................25
Figure 4-5. BOOSTXL-DAC-PORT Top Layer...........................................................................................................................25
Figure 4-6. BOOSTXL-DAC-PORT Bottom Layer..................................................................................................................... 26
Figure 4-7. DAC53204EVM PCB Components Layout............................................................................................................. 26
Figure 4-8. DAC53204EVM Layers........................................................................................................................................... 26
List of Tables
Table 1-1. Contents of DAC53204EVM Kit.................................................................................................................................. 4
Table 1-2. Required Components Not Included With Kit............................................................................................................. 4
Table 1-3. Related Documentation.............................................................................................................................................. 4
Table 2-1. DAC53204EVM Power Supply Inputs.........................................................................................................................7
Table 2-2. BOOSTXL-DAC-PORT Jumper Settings.................................................................................................................... 7
Table 3-1. BOOSTXL-DAC-PORT J13 Pin Definitions.............................................................................................................. 10
Table 3-2. BOOSTXL-DAC-PORT J14 Pin Definitions.............................................................................................................. 10
Table 3-3. BOOSTXL-DAC-PORT J4 Pin Definitions.................................................................................................................11
Table 3-4. BOOSTXL-DAC-PORT J5 Pin Definitions.................................................................................................................11
Table 3-5. BOOSTXL-DAC-PORT J12 Pin Definitions...............................................................................................................11
Table 3-6. DAC53204EVM J2 Pin Definitions............................................................................................................................13
Table 3-7. DAC53204EVM J1 Pin Definitions............................................................................................................................13
Table 4-1. BOOSTXL-DAC-PORT Bill of Materials....................................................................................................................27
Table 4-2. DAC53204EVM Bill of Materials............................................................................................................................... 28
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Trademarks
LaunchPad™ is a trademark of TI.
Windows™ are trademarks of Microsoft Corporation.
All trademarks are the property of their respective owners.
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1 Overview
The DAC53204EVM is an easy-to-use platform to evaluate the functionality and performance of the DAC53204
and DAC43204 commercial devices.
The 12-bit DAC63204, 10-bit DAC53204, and 8-bit DAC43204 (DACx3204) are a pin-compatible family of
quad-channel, buffered, voltage-output, and current-output smart digital-to-analog converters (DACs). The DAC
outputs are capable of both voltage and current output. These DACx3204 support Hi-Z power-down mode
and Hi-Z output during power-off condition. The DAC outputs provide a force-sense option for use as a
programmable comparator and current sink. The multifunction GPIO, function generation, and NVM enable
these smart DACs for processor-less applications and design reuse. These devices also have an automatically
detected I2C, SPI, and PMBus interface and an internal reference.
.
1.1 Kit Contents
Table 1-1 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 1-1. Contents of DAC53204EVM Kit
Item Quantity
DAC53204EVM evaluation board PCB 1
Table 1-2. Required Components Not Included With Kit
Item Quantity
BOOSTXL-DAC-PORT 1
TM4C1294 Connected LaunchPad™ Evaluation Kit (EK-TM4C1294XL)
( Herein after referred as TI Launchpad or Analog EVM Controller) 1
TI Launchpad can be purchased from TM4C1294 Connected LaunchPad™ Evaluation Kit 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 DAC53204EVM. This user's guide is available from the TI web site under literature number
SLAU851. 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 [phone] or the Product
Information Center at [phone]. When ordering, identify the document by both title and literature number.
Table 1-3. Related Documentation
Document Literature Number
DAC53204 product data sheet SLASEX3
DAC43204 product data sheet
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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™ 10, MAC and Linux operating systems. Please note even
though EVM software is compatible with Linux and MAC operating systems, EVM is tested with Windows™ 10
operating system only.
2.1.2 Software Installation
The software is available on the device product folder, and can also be found in the GUI Composer Gallery.
Search for DAC53204EVM in the GUI Composer Gallery. Use the down arrow symbol to download the software.
There are two downloads: DAC53204EVM GUI and GUI Composer Runtime. Either download both, or just
download the EVM GUI; the run-time file can be downloaded through the EVM GUI during installation. The
software can also be run online by clicking; however, only after the firmware and driver are upgraded. After
the software is downloaded to the PC, navigate to the download folder, and run the DAC53204EVM software
executable, as shown in Figure 2-1.
Figure 2-1. DAC53204EVM Software Setup
When the DAC53204EVM 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\DAC53204EVM as shown in Figure 2-2. If there is no previous installation of the GUI Composer
Runtime application, the installer also requests for an automatic download from the web. Select either Install
from Web to download and install from the web, or Install from PC and provide the path to the local file that is
already downloaded. The run-time file also installs the USB drivers, unless the drivers are already installed. The
software installation automatically copies the required files and drivers to the local machine.
Figure 2-2. Software Installation Path
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2.1.3 TI Launchpad Firmware Upgrade
The firmware for the TI Launchpad must be upgraded for the first time before using the software. A jumper must
be modified, and the USB cable must be connected to the XDS110 port of the TI Launchpad to download
firmware. The firmware can be programmed to the TI Launchpad 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>\DAC53204EVM_1.0.0_installer_win\install_image_DAC53204EVM\DAC53204EVM\firmware\acctrl.0.
3.0.3b.bin after unzipping the file install_image_DAC53204EVM.zip.
Follow the step-by-step procedure below to upgrade the firmware and install the device drivers successfully:
1. Remove jumper JP6 on the TI Launchpad, as shown in step 1 of TM4C1294 Connected LaunchPad™
Evaluation Kit .
3 42
Remove
Jumper
Mount
Jumper
1
xxx
xxx
xxx
Figure 2-3. TM4C1294 Connected LaunchPad™ Evaluation Kit Setup
2. Mount jumper on 5V-OTG. Retain the jumper on 5V-XDS, as shown in step 1 of TM4C1294 Connected
LaunchPad™ Evaluation Kit.
3. Connect the USB cable to the port on the XDS110 side of the board, as shown in step 2 of TM4C1294
Connected LaunchPad™ Evaluation Kit.
4. Connect the USB cable to the PC and open UniFlash. Click on Start Now in the Detect Device section.
5. If the GUI Composer framework is being installed for the first time on the PC, the browser extension and
the TI Cloud Agent must also be installed. Follow the 2-step installation flow prompted on the web page, as
shown in Figure 2-4
Figure 2-4. TI Cloud Agent Installation
6. Press the Refresh or Finish button after the installation is complete. This action should detect the
Launchpad™.
7. Press Start and browse for <Download
Directory>\DAC53204EVM_1.0.1_installer_win\install_image_DAC53204EVM.\DAC53701EVM\firmware\acc
trl.0.3.0.3b.bin. Press Load Image followed by Verify Image.
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2.2 Hardware Setup
This section provides the overall system setup for the EVM. The hardware setup contains the TI Launchpad
(TIVA Connected Launchpad™), BOOSTXL-DAC-PORT, and DAC53204EVM. A PC runs the software that
provides an interface to the DAC53204EVM through the TI Launchpad.
The TI Launchpad generates 5 V of power that can be used as VDD for the DAC. The TI Launchpad also
generates 3.3 V of power that can be used for I2C pullups. The IO ports of the Analog EVM Controller and
level translators used on the BOOSTXL-DAC-PORT and DAC53204EVM can withstand a maximum of 3.6-V IO
levels. The TI Launchpad also generates digital signals used to communicate with the EVM board.
The BOOSTXL-DAC-PORT is a generic platform used for catalog DACs that provides a predefined interface to
connect a DAC evaluation module. The BOOSTXL-DAC-PORT also 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 2-5 displays the system hardware setup.
Figure 2-5. Hardware Setup
2.2.1 Power Configurations and Jumper Settings
The DAC53701EVM provides electrical connections to the device supply pins. The connectors and optional
configurations are shown in Table 2-1. The jumper settings on the BOOSTXL-DAC-PORT are crucial to the
proper functioning of the DAC53204EVM. Table 2-2 provides the details of the possible jumper settings on the
BOOSTXL-DAC-PORT.
Table 2-1. DAC53204EVM Power Supply Inputs
DAC53701EVM
Connector Supply Name Voltage Range
J2.1 VDD 1.8 V to 5.5 V (5 V available on TI Launchpad), jumper J9.1-2 on BOOSTXL-DAC-PORT
J1.8 VIO 1.8 V to 3.6 V (3.3 V available on TI Launchpad), jumper J10.1-2 on BOOSTXL-DAC-PORT
J1.7 DAC_VIO 1.8 V to 3.6 V, jumper J11.1-2 on BOOSTXL-DAC-PORT
J1.1 GND 0 V
Table 2-2. BOOSTXL-DAC-PORT Jumper Settings
Jumper Default Position Available Option Description
J3 1-2: Onboard reference 2-3: External reference External or onboard reference selection
J6 2-3: Zener reference 1-2: VDD reference Zener or VDD reference
J7 2-3: 2.5-V reference 1-2: 5-V reference 2.5-V or 5-V reference selection
J8 2-3: Unused on DAC53204 1-2: Unused on DAC53204 External or onboard LDAC selection
J9 1-2: 5 V from TI Launchpad 2-3: External VDD 5-V or external VDD
J10 1-2: 3.3 V from TI Launchpad 2-3: External VIO 3.3-V or external VIO
J11 Closed: DAC_VIO is connected to VIO Open: DAC_VIO off DAC_VIO on or off
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2.2.2 Connecting the Hardware
After the TI Launchpad firmware is upgraded as described in Section 2.1.3, and power and jumper
configurations set up as per Section 2.2.1, the BOOSTXL-DAC-PORT and DAC53204EVM can be connected as
shown in Figure 2-6. Connect the USB cable from the TI Launchpad OTG USB Port (U7) to the PC.
Figure 2-6. Hardware Setup Guidelines
2.2.3 Electrostatic Discharge Warning
Many of the components on the DAC53204EVM 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.
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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 the BOOSTXL-DAC-PORT
The BOOSTXL-DAC-PORT is a generic evaluation platform for catalog DACs that provides 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 3-1.
External
Power
I2C
SPI/GPIO SPI/GPIO
5 V / 3.3 V
Analog IO
Power
External Refererence
DAC EVM Interface
Reference Jumper Settings Power-Supply Jumper Settings
Digital Level
Translator
I2C Level
Translator
Analog and Power Supply Function Extender
Launchpad Interface Launchpad Interface
Figure 3-1. BOOSTXL-DAC-PORT Hardware Block Diagram
3.1.1.1 Signal Definition of the BOOSTXL-DAC-PORT
The BOOSTXL-DAC-PORT provides hardware connectors for the TI Launchpad (J13, J14), external power
(J12), the DAC53204EVM (J1, J2), and the external function extender (J4, J5). The descriptions are provided in
Table 3-1 through Table 3-5.
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Table 3-1. 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 3-2. BOOSTXL-DAC-PORT J14 Pin Definitions
Pin# Signal Description
1 +3.3V 3.3-V 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 5-V 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
29 GPIO General-purpose I/O
30 GPIO General-purpose I/O
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Table 3-3. BOOSTXL-DAC-PORT J4 Pin Definitions
Pin# Signal Description
1 AIO0 Analog I/O
2 AGND Analog ground
3 AIO2 Analog I/O
4 AIO4 Analog I/O
5 AGND Analog ground
6 AIO6 Analog I/O
7 AIO8 Analog I/O
8 AGND Analog ground
9 AIO10 Analog I/O
10 AIO12 Analog I/O
11 AGND Analog ground
12 AIO14 Analog I/O
13 EXT_REF External reference input
14 GND Ground
15 VCC VCC output
16 VDD VDD output
Table 3-4. BOOSTXL-DAC-PORT J5 Pin Definitions
Pin# Signal Description
1 AIO1 Analog I/O
2 AGND Analog Ground
3 AIO3 Analog I/O
4 AIO5 Analog I/O
5 AGND Analog Ground
6 AIO7 Analog I/O
7 AIO9 Analog I/O
8 AGND Analog Ground
9 AIO11 Analog I/O
10 AIO13 Analog I/O
11 AGND Analog Ground
12 AIO15 Analog I/O
13 REFGND External Reference Ground
14 GND Ground
15 VSS VSS Output
16 VIO or DAC_VIO VIO or DAC_VIO Output
Table 3-5. BOOSTXL-DAC-PORT J12 Pin Definitions
Pin# Signal Description
1 VCC High-voltage positive power supply
2 VSS High-voltage negative power supply
3 GND Ground
4 EXT_VDD External VDD
5 EXT_VIO External VIO
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3.1.2 Theory of Operation for the DAC53204EVM Hardware
The block diagram of the DAC53204EVM board is displayed in Figure 3-2. The EVM board connects to
BOOSTXL-DAC-PORT with two 16-pin connectors. These headers provide access to all DAC pins.
VDD
GND
GND
NC
NC
DAC_FB3
DAC_OUT3
GND
GND
DAC_FB2
DAC_OUT2
DAC53204
DAC_SCLK
DAC_SDO
DAC_SCL
EXT_REF
GND
DAC_SDI
GND
GND
GND
DAC_SYNC
DAC_SDA
DAC_GPIO
DAC_VREF
DAC_CAP
DAC_FB0
DAC_OUT0
DAC_OUT1
DAC_FB1
R7
R5
R6
R8
R9
Figure 3-2. DAC53204EVM Hardware Block Diagram
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3.1.2.1 Signal Definition of the DAC53204EVM
The DAC53204EVM provides access to all DAC pins through connection J1 and J2, as listed in Table 3-6 and
Table 3-7.
Table 3-6. DAC53204EVM J2 Pin Definitions
Pin# Signal Description
1 DAC_VDD VDD power supply for DAC
2 DAC_SCLK SPI SCLK
3 DAC_SDO SPI SDO
4 DAC_SCL I2C SCL
5 EXT_REF External Reference input for DAC
6 GND Ground
7 GND Ground
8 GND Ground
9 NC Not connected
10 NC Not connected
11 DAC_FB3 Feedback pin for DAC VOUT3
12 DAC_OUT3 Output pin for DAC VOUT3
13 GND Ground
14 GND Ground
15 DAC_OUT2 Output pin for DAC VOUT2
16 DAC_FB2 Feedback pin for DAC VOUT2
Table 3-7. DAC53204EVM J1 Pin Definitions
Pin# Signal Description
1 GND Ground
2 DAC_SDI SPI SDI signal for DAC
3 DAC_SYNC SPI SYNC signal for DAC
4 DAC_SDA I2C SDA
5 GND Ground
6 GND Ground
7 NC Not Connected
8 NC Not Connected
9 DAC_GPIO GPIO Input for DAC53204
10 NC Not connected
11 DAC_VREF VREF out from DAC
12 DAC_CAP LDO bypass capacitor
13 DAC_FB0 Feedback pin for DAC VOUT0
14 DAC_OUT0 Output pin for DAC VOUT0
15 DAC_OUT1 Output pin for DAC VOUT1
16 DAC_FB1 Feedback pin for DAC VOUT1
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3.2 Software Description
This section describes the features of the DAC53204EVM software, and discusses how to use these features.
The software provides basic control of all the registers and functions to the DAC53204 device.
3.2.1 Starting the Software
To launch the software, locate the Texas Instruments folder in the All Programs menu, and select the
DAC53204EVM icon.
Figure 3-3. DAC53204EVM GUI Location
Figure 3-4 shows that if the Analog EVM Connector is connected correctly, the status bar at the bottom of the
screen displays Hardware Connected. If the Analog EVM Controller is not properly connected or not connected
at all, the status bar displays Hardware not connected. In case the Hardware not connected status persists even
after the hardware is connected, go to Options → Serial Port, and change the port to the other available port with
the (Texas Instruments) or ACCtrl tag. Out of the two ports with these tags, one port should connect.
Figure 3-4. DAC53204EVM GUI Connection Detection
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3.2.2 Software Features
The DAC53204EVM incorporates interactive functions that help configure the DAC53204 device. These
functions are built into several GUI pages, as shown in the following subsections. The Menu allows the user
to switch between pages, with each page representing a feature of the software.
3.2.2.1 Home Page
The home page, as shown in Figure 3-5, provides basic information and navigation to other pages. Click on
Learn More... to get more information on the device.
Figure 3-5. Software Home Page
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3.2.2.2 Setup Page
The Setup page, as shown in Figure 3-6, guides the user to perform a one-time firmware upgrade for the TI
Launchpad, and details how the TI Launchpad, BOOSTXL-DAC-PORT, and DAC53204EVM are stacked. This
page also shows the default jumper settings for the BOOSTXL-DAC-PORT.
Figure 3-6. Setup Page
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3.2.2.3 DAC Quick-Start Page
This page is divided in to four tabs: Basic DAC, Margining, and Functions. The following subsections describe
each tab.
3.2.2.3.1 Basic DAC Tab
The Basic DAC quick-start tab is shown in Figure 3-7provides an interface to quickly power up, select the
reference and output span, and program the output voltage (decimal) for the DAC53204. The DAC53204 comes
in Hi-Z power-down mode by default.
Note
The basic DAC setup for power up, reference selection, and output span selection available in this tab
is common to all the tab functions.
Figure 3-7. DAC Quick-Start Page: Basic DAC Tab
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3.2.2.3.2 Margining Tab
The second tab on the Quick-Start page is Margining, as shown in Figure 3-8. This tab provides the settings for
margin-low, margin-high, and nominal DAC outputs, along with code-step and slew-rate for the ramp generation.
Figure 3-8. DAC Quick-Start Page: Margining Tab
The margin-low and the margin-high triggers are by the respective buttons.
The register settings are programmed or retrieved using the EEPROM PROGRAM or RELOAD buttons,
respectively.
The trigger bits are not loaded to the EEPROM because they are edge sensitive.
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3.2.2.3.3 Functions Settings Tab
The next tab on the Quick-Start page is Functions for function generation, as shown in Figure 3-9. This page
provides the ramp programming done through code-step and slew-rate settings.
Figure 3-9. DAC Quick Start Page: Function Generation
The most basic setting for this functionality is the function selection: triangular wave, saw-tooth wave, inverse
saw-tooth wave, and square wave.
The margin-low and margin-high settings define the lower and the upper bounds of the waveform, respectively.
The toggle button starts or stops the defined function generation.
Any change to the function settings can only be done when the function is off.
The register settings can be programmed or retrieved using the EEPROM PROGRAM or RELOAD buttons,
respectively.
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3.2.2.4 Register Map Page
The DAC53204EVM Register Map page, as shown in Figure 3-10, allows the user to access low level
communication directly with the DAC53204 registers. Selecting a register on the Register Map list shows a
description of the values in that register, as well as information on the register address, default value, size, and
current value. Values are read from and written to the registers by writing to the Value or bit field of the GUI.
Figure 3-10. Register Map Page
There are some configuration lists and action buttons provided on the Register Map page. The values of
the register map can be stored locally by pressing the Save Registers button under the File menu option.
Additionally, the stored configuration files can be recalled and loaded through the Load Registers button.
Other options selectable by the user are the Auto Read Interval,Read Register, Read All Registers, Write
Register, Write All Registers, and Update Mode buttons.
All buttons are displayed in Figure 3-11. The Write Register and Write All Registers buttons are enabled only
with Deferred update mode. Deferred mode initiates a write operation only when the Write Register or the Write
All Registers button is pressed. By default, the Immediate update mode is selected for the Register Map page
write operations.
Figure 3-11. Register Page Options
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