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1

SNAU189A – December 2015 – Revised October 2017

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Copyright © 2015–2017, Texas Instruments Incorporated

HDC1080EVM User 's Guide

User's Guide

SNAU189A – December 2015 – Revised October 2017

HDC1080EVM User 's Guide

The Texas Instruments HDC1080EVM evaluation module (EVM) enables designers to evaluate the
operation and performance of the HDC1080 Relative Humidity and Temperature sensor.

Contents

1

Introduction

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3

2

Setup

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3

3

GUI Operation

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11

4

Board Layout

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39

5

Schematic

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40

6

HDC1080EVM Bill of Materials

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41

List of Figures

1

HDC1080EVM

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3

2

GUI Installer Welcome Page

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5

3

GUI Installer License Agreement

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5

4

GUI Installer Installation Directory

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6

5

GUI Installer Copying Files

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6

6

EVM Driver Installer Welcome Page

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7

7

EVM Driver Installer In Progress

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7

8

EVM Driver Installer Complete

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8

9

GUI Installer Complete

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8

10

HDC1080EVM µC and Sensor Sections

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9

11

HDC1080EVM Small Sensor Section

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9

12

HDC1080EVM Pads for I2C and Supply of the Smaller Sensor Section

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10

13

ESD Compliance

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10

14

Electrostatic Discharge Caution

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10

15

GUI Splash Screen

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11

16

GUI Introduction Page

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12

17

GUI Disconnected From EVM

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13

18

GUI Connected From EVM

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13

19

GUI Menu Button

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14

20

GUI Navigation Menu

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15

21

Selecting Auto-Read Interval on Register Page

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16

22

Selecting a Register's Current Value for Editting on Register Page

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17

23

Entering New Value for Register on Register Page

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17

24

Register Value Updated After Changing Value on Register Page

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18

25

Hovering Mouse Over Register Bit Value on Register Page

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18

26

Toggling Register Bit Value on Register Page

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19

27

Selecting a Register on Register Page

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20

28

Reading the Current Device Register Value on Register Page

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20

29

Save Register Values to File on Register Page

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21

30

Choosing a JSON File Name to Save Register Values

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22

Summary of Contents for HDC1080EVM

Page 1: ...taller Complete 8 9 GUI Installer Complete 8 10 HDC1080EVM C and Sensor Sections 9 11 HDC1080EVM Small Sensor Section 9 12 HDC1080EVM Pads for I2C and Supply of the Smaller Sensor Section 10 13 ESD Co...

Page 2: ...a Streaming Page 29 40 Setting the Data Streaming Sample Rate to 1 Second 29 41 Manually Setting the Vertical Scale on Data Streaming Graph 30 42 Starting Data Acquisition on Data Streaming Graph 31 4...

Page 3: ...ned to be broken into two sections if desired The sensor section can be separated from the C section so that the user can remotely locate the sensor from the C section 2 Setup This section describes t...

Page 4: ...rt on a PC or laptop or may be connected to the latter using the appropriate USB cable The I2C address of the HDC1080 is 1000000xb and is fixed by design The EVM features a Spy by Wire interface to th...

Page 5: ...back Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 2 GUI Installer Welcome Page 5 Read the license agreement and if you still wish to install the software select I...

Page 6: ...s Incorporated HDC1080EVM User s Guide 6 Select the installation directory If the user installing the software is not a system administrator a directory not with Program Files must be chosen instead o...

Page 7: ...Guide 8 After the files have copied a device driver installer will start If prompted about an unsigned driver choose to install the driver anyways If running Windows 8 or 8 1 the PC must be started in...

Page 8: ...cumentation Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 10 Click Finish after the driver has been installed Figure 8 EVM Driver Installer Complete 11 Click Fini...

Page 9: ...ns that allow the two sections to be broken apart Figure 10 HDC1080EVM C and Sensor Sections The communication between the two modules is achieved through the connectors J1 and J2 and a 4 wire cable I...

Page 10: ...2 6 PCB Breakoff Sections and Compliance The different sections of the EVM may be broken apart for ease of prototyping and development Please note that breaking apart the sections voids the warranty...

Page 11: ...e steps to start the GUI 1 Select the windows start menu 2 Select All programs 3 Select the Texas Instruments folder 4 Select the Sensing Solutions GUI 5 Click Sensing Solutions GUI 6 Splash screen wi...

Page 12: ...llow these steps to connect the EVM to the GUI 1 Attach the EVM to the computer using the USB port 2 The GUI always shows the connection status on the bottom left corner of the GUI The initial release...

Page 13: ...n 13 SNAU189A December 2015 Revised October 2017 Submit Documentation Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 17 GUI Disconnected From EVM Figure 18...

Page 14: ...n Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 3 3 Navigating the GUI To navigate to different pages of the GUI follow these steps 1 Click Menu in the upper left...

Page 15: ...figuring the Device Using Register Page The register page allows users to control the device directly with the register values The user may also use this page to read the currect register values on th...

Page 16: ...on Register Page 3 4 2 Manually Updating Device Register Values There are two methods to change register values update the entire register value or change a single bit within the register The recommen...

Page 17: ...orporated HDC1080EVM User s Guide Figure 22 Selecting a Register s Current Value for Editting on Register Page 2 Type the new value in hexadecimal into the box and click enter The text box changes to...

Page 18: ...xas Instruments Incorporated HDC1080EVM User s Guide Figure 24 Register Value Updated After Changing Value on Register Page To change individual bit values rather that entire register values follow th...

Page 19: ...1080EVM User s Guide 2 Double click the bit to toggle its value and the register s current value will update automatically Figure 26 Toggling Register Bit Value on Register Page 3 4 3 Reading Register...

Page 20: ...Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 27 Selecting a Register on Register Page 2 Click the Read Register button to update the selected register s current v...

Page 21: ...yright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 3 4 4 Saving Device Configuration To save the current register settings of the device follow these steps 1 Click the button imme...

Page 22: ...0EVM User s Guide 2 Choose a JSON file name and the directory to save it within Then click Save Figure 30 Choosing a JSON File Name to Save Register Values 3 4 5 Loading Previously Saved Device Config...

Page 23: ...on Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 31 Loading Previously Saved Register Values from File on Register Page 2 Select the JSON file with the des...

Page 24: ...ents Incorporated HDC1080EVM User s Guide 3 5 Configuring the Device Using Configuration Page The Sensing Solutions GUI is capable on configuring the device more intuitively than the direct register v...

Page 25: ...I menu 3 6 1 Choosing Graph Units and Visible Channels Select the drop down menu on top of the y axis to choose the units of the graph Available options include Temperature and Humidity and Raw Code F...

Page 26: ...Revised October 2017 Submit Documentation Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 35 Data Streaming Graph Showing Only Relative Humidity Percent Figu...

Page 27: ...dback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 3 6 2 Logging Data to a File Follow these steps to log measurement data to a file 1 Click the button in the upper right...

Page 28: ...orated HDC1080EVM User s Guide 2 Select a file name and directory to save the data to and then click the Save button Figure 38 Selecting the Log File for Data Streaming 3 6 3 Setting the Vertical Axis...

Page 29: ...Incorporated HDC1080EVM User s Guide Figure 39 Show Graph Configuration Button on Data Streaming Page 2 The sampling rate can be adjusted in the Sampling Rate table Note that the GUI sampling rate af...

Page 30: ...n Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 3 The vertical scaling can be automatically updated or manually controlled by selecting either checkboxes in the V...

Page 31: ...Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 3 6 4 Starting and Stopping Measurement Data Acquisition To start data streaming click the Start button Figure 42 Starting D...

Page 32: ...back Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide To stop data streaming click the Stop button Figure 44 Stopping Data Acquisition on Data Streaming Graph 3 6 5 Displayin...

Page 33: ...ber 2015 Revised October 2017 Submit Documentation Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 45 Show Statistics Button on Data Streaming Graph Figure 4...

Page 34: ...Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 3 6 6 Navigating the GUI s Data Buffer After stopping the data stream the number of data samples displayed can be se...

Page 35: ...ight 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 48 Viewing the Entire Buffer on Data Graph 3 7 Updating the EVM Firmware To upload new firmware to the EVM navigate to the...

Page 36: ...17 Submit Documentation Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 49 Select TI TXT File Button on Firmware Upload Page 2 Select the firmware file and c...

Page 37: ...ted HDC1080EVM User s Guide 3 Click the Upload Firmware button Figure 51 Upload Firmware Button on Firmware Upload Page 4 Wait for the firmware to upload Do NOT disconnect the EVM from the PC at this...

Page 38: ...peration www ti com 38 SNAU189A December 2015 Revised October 2017 Submit Documentation Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide Figure 53 Firmware Upload Su...

Page 39: ...M User s Guide 4 Board Layout Figure 54 and Figure 55 show the board layout for the HDC1080EVM Note that the DAP pad on the HDC1080 is grounded on the EVM but in most system designs must be left float...

Page 40: ...c www ti com 40 SNAU189A December 2015 Revised October 2017 Submit Documentation Feedback Copyright 2015 2017 Texas Instruments Incorporated HDC1080EVM User s Guide 5 Schematic Figure 56 HDC1080EVM Sc...

Page 41: ...Red SMD D2 SML LX0603SRW_Sup erRed 1 MMSZ5232B 7 F Diode Zener 5 6V 500mW SOD 123 D21 SOD 123 1 Fiducial Fiducial mark There is nothing to buy or mount FID1 FID2 FID3 Fiducial10 20 3 TSW 105 07 G S He...

Page 42: ...ecember 2015 Revised October 2017 Submit Documentation Feedback Copyright 2015 2017 Texas Instruments Incorporated Revision History Revision History Changes from Original December 2015 to A Revision P...

Page 43: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Page 44: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Page 45: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Page 46: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Page 47: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

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