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FDC2114/2214 EVM Schematics and Layout

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FDC2114/2214 EVM Schematics and Layout

Figure 63. USB Connection and Power Circuit

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FDC2114 and FDC2214 EVM User’s Guide

SNOU138 – June 2015

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Copyright © 2015, Texas Instruments Incorporated

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Summary of Contents for FDC2114

Page 1: ...FDC2114 and FDC2214 EVM User s Guide User s Guide Literature Number SNOU138 June 2015...

Page 2: ...Enabling and Disabling Channel Measurements 24 3 5 2 Selecting the Clocking Source 28 3 5 3 Setting the Measurement Timings 28 3 5 4 Using a Different Sensor 28 3 5 5 Setting the Power Mode and Senso...

Page 3: ...7 Selecting Previously Save Register Value JSON File 23 28 Configuring Device to Repeatedly Measure a Single Channel 24 29 Selecting Channel 3 for Single Channel Measurements 25 30 Configuring Device...

Page 4: ...mples Displayed in Data Graph 44 57 Viewing the Entire Buffer on Data Graph 44 58 Select TI TXT File Button on Firmware Upload Page 45 59 Selecting TI TXT Firmware File for Upload to EVM 46 60 Upload...

Page 5: ...www ti com List of Tables 1 BOM for FDC2114 EVM 53 2 BOM for FDC2214 EVM 55 5 SNOU138 June 2015 List of Tables Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated...

Page 6: ...DC2114 2214 input channels The latter is controlled by an MSP430 which interfaces to a host computer Figure 1 FDC2114 2214 Evaluation Module The FDC2114 2214EVM includes two example PCB sensors Each s...

Page 7: ...the host The EVM must be connected to a high speed USB port USB 2 0 or above 2 2 Sensing Solutions GUI and EVM Driver Installation The Sensing Solutions GUI and EVM driver installer is packaged in a...

Page 8: ...staller License Agreement 6 Select the installation directory If the user installing the software is not a system administrator a directory not with Program Files should be chosen instead of the defau...

Page 9: ...ed about an unsigned driver choose to install the driver anyways If running Windows 8 or 8 1 the PC must be started in a Safe mode to install the unsigned driver Figure 6 EVM Driver Installer Welcome...

Page 10: ...ick Finish after the driver has been installed Figure 8 EVM Driver Installer Complete 11 Click Finish to complete the software installation 10 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015 Su...

Page 11: ...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 will appear for at least two seconds Slower PC s may s...

Page 12: ...Figure 11 GUI Introduction Page 3 2 Connecting the EVM Follow these steps to connect the EVM to the GUI 1 Attach the EVM to the computer via a micro USB cable 2 The GUI always shows the connection sta...

Page 13: ...s virtual machines may be used or multiple PC s are required Future releases will support multiple EVMs from a single instance of the GUI Figure 12 GUI Disconnected From EVM Figure 13 GUI Connected fr...

Page 14: ...the GUI follow these steps 1 Click Menu in the upper left corner Figure 14 GUI Menu Button 2 Select the desired page from the menu shown on the left 14 FDC2114 and FDC2214 EVM User s Guide SNOU138 Jun...

Page 15: ...o use this page to read the currect register values on the device 3 4 1 Automatically Updating GUI Register Values Using Auto Read Autoread will periodically request the register values on the device...

Page 16: ...e or change a single bit within the register The recommended update mode is always Immediate and not Deferred To update register values follow these steps 1 Double click the current value of the regis...

Page 17: ...al into the box and click enter The text box changes to normal text and the GUI will send a command to the EVM to update the device register Figure 18 Entering New Value for Register on Register Page...

Page 18: ...l bit values rather that entire register values follow these steps 1 Hover the mouse over the desired bit to change Figure 20 Hovering Mouse Over Register Bit Value on Register Page 18 FDC2114 and FDC...

Page 19: ...egister Bit Value on Register Page 3 4 3 Reading Register Values without Auto Read To read register values follow these steps 1 Select the register to update by clicking any column of the register row...

Page 20: ...gister button to update the selected register s current value and bit values in the table Figure 23 Reading the Current Device Register Value on Register Page 20 FDC2114 and FDC2214 EVM User s Guide S...

Page 21: ...ck the button immediately right to the Auto Read selection dropdown Figure 24 Save Register Values to File on Register Page 2 Choose a JSON file name and the directory to save it within Then click Sav...

Page 22: ...aved Device Configuration To load previously saved register settings from a JSON file follow these steps 1 Click the button furthest right from the Auto Read selection dropdown 22 FDC2114 and FDC2214...

Page 23: ...File on Register Page 2 Select the JSON file with the desired settings and click Open Figure 27 Selecting Previously Save Register Value JSON File 23 SNOU138 June 2015 FDC2114 and FDC2214 EVM User s G...

Page 24: ...ments in two different modes repeated single channel measurement and measuring single channels sequentially When the device repeatedly measures a single channel any channel can be selected for measure...

Page 25: ...re always measured sequentially from channel 0 to the highest selected channel To measure multiple channels follow these steps 1 Select Sequence channel measurements in the Measurement Settings 25 SNO...

Page 26: ...nels to measure by clicking the highest channel desired Channel 0 and 1 will always be enabled in this mode Figure 31 Selecting Channels 1 and 2 for Sequential Channel Measurements 26 FDC2114 and FDC2...

Page 27: ...ls 1 2 and 3 for Sequential Channel Measurements Figure 33 Selecting All Channels for Sequential Channel Measurements 27 SNOU138 June 2015 FDC2114 and FDC2214 EVM User s Guide Submit Documentation Fee...

Page 28: ...hould have the channel Fref dividers set to one Settle count needs to be long enough but increasing it arbitrary holds no value and only decreases the sampling rate Reference the datasheet for calcula...

Page 29: ...n for Channel Measurements Figure 36 Entering the Sensor Inductor Values for Calculating Capacitance Measurements 29 SNOU138 June 2015 FDC2114 and FDC2214 EVM User s Guide Submit Documentation Feedbac...

Page 30: ...ffset may be set in the Sensor Properties and Input Adjustments table and the input gain is globally set for all channels Please reference the device datasheet for more information to correctly set th...

Page 31: ...code determines how much current the device supplies to the sensor To determine the optimal current drive setting move the system target to its furthest distance from the sensor and click the Detect...

Page 32: ...Value If the low power sensor activation mode is disabled the Idrive settings are ignored If only measuring channel 0 and the sensor requires maximum drive current enable the high current sensor driv...

Page 33: ...oosing 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 Capacitance Raw Code and Frequency Note that if the so...

Page 34: ...available channels shown next to the graph units Selecting or not selecting the channels only affects the graph and not the data logged to a file If a channel is not enabled in the Configuration page...

Page 35: ...Logging data to a file Follow these steps to log measurement data to a file 1 Click the button in the upper right under next to Click to Select Log File 35 SNOU138 June 2015 FDC2114 and FDC2214 EVM U...

Page 36: ...Page 2 Select a file name and directory to save the data to and then click the Save button Figure 45 Selecting the Log File for Data Streaming 36 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015...

Page 37: ...ure 46 Selected Log File Shown on Data Streaming Page 3 6 3 Setting the Vertical Axis Scale and Sampling Rate To set the vertical axis scale or change the sampling rate follow these steps 1 Click the...

Page 38: ...he Sampling Rate table Note that the GUI sampling rate affects only the graph and logging rate but not the actual device sampling rate Figure 48 Setting the Data Streaming Sample Rate to 1 Second 38 F...

Page 39: ...nually controlled by selecting either checkboxes in the Vertical Scaling table Figure 49 Manually Setting the Vertical Scale on Data Streaming Graph 39 SNOU138 June 2015 FDC2114 and FDC2214 EVM User s...

Page 40: ...ata streaming click the Start button Figure 50 Starting Data Acquisition on Data Streaming Graph Figure 51 Data Acquisition In Progress on Data Streaming Page 40 FDC2114 and FDC2214 EVM User s Guide S...

Page 41: ...Data Acquisition on Data Streaming Graph 3 6 5 Displaying Measurement Data Statistics Click the Show Statistics button to view the measurement statistics 41 SNOU138 June 2015 FDC2114 and FDC2214 EVM...

Page 42: ...3 Show Statistics Button on Data Streaming Graph Figure 54 Data Statistics on Data Streaming Graph 42 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015 Submit Documentation Feedback Copyright 201...

Page 43: ...ata stream the number of data samples displayed can be selected by moving the dual slider under the graph Figure 55 Moving the Data Graph Sample View 43 SNOU138 June 2015 FDC2114 and FDC2214 EVM User...

Page 44: ...Changing Number of Samples Displayed in Data Graph Figure 57 Viewing the Entire Buffer on Data Graph 44 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015 Submit Documentation Feedback Copyright 2...

Page 45: ...the GUI menu and follow these steps 1 Click the button to select a TI TXT firmware file Figure 58 Select TI TXT File Button on Firmware Upload Page 2 Select the firmware file and click Open 45 SNOU138...

Page 46: ...mware File for Upload to EVM 3 Click the Upload Firmware button Figure 60 Upload Firmware Button on Firmware Upload Page 46 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015 Submit Documentation...

Page 47: ...so note that the GUI will disconnect from the EVM The upload process should not take more than one minute Figure 61 Firmware Upload in Progress Figure 62 Firmware Upload Success 47 SNOU138 June 2015 F...

Page 48: ...yout www ti com 4 FDC2114 2214 EVM Schematics and Layout Figure 63 USB Connection and Power Circuit 48 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015 Submit Documentation Feedback Copyright 20...

Page 49: ...ti com FDC2114 2214 EVM Schematics and Layout Figure 64 FDC2114 2214 49 SNOU138 June 2015 FDC2114 and FDC2214 EVM User s Guide Submit Documentation Feedback Copyright 2015 Texas Instruments Incorpora...

Page 50: ...4 2214 EVM Schematics and Layout www ti com Figure 65 MSP430 Connections 50 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015 Submit Documentation Feedback Copyright 2015 Texas Instruments Incorp...

Page 51: ...and Layout Figure 66 Layout Top Layer Signals and Components Figure 67 Layout Mid Layer 1 Ground Plane 51 SNOU138 June 2015 FDC2114 and FDC2214 EVM User s Guide Submit Documentation Feedback Copyrigh...

Page 52: ...t www ti com Figure 68 Mid Layer 2 Signals and Power Plane Figure 69 Layout Bottom Layer Signals Plane 52 FDC2114 and FDC2214 EVM User s Guide SNOU138 June 2015 Submit Documentation Feedback Copyright...

Page 53: ...F CAP CERM 2200pF 50V 10 X7R 0603 C0603X222K5RAC Kemet TU C29 1 220PF CAP CER 220PF 50V 1 NP0 0402 C1005C0G1H221F0 TDK Corporation 50BA D1 1 5 6V Diode Zener 5 6V 500mW SOD 123 MMSZ5232B 7 F Diodes In...

Page 54: ...erfaces 2 Channels 40 to 85 degC 5 pin SOT DRL Green RoHS no Sb Br U5 1 Mixed Signal MicroController RGC0064B MSP430F5528IRGC Texas Instruments Y1 1 Crystal 24 000MHz 18pF SMD ABM8 24 000MHZ Abracon B...

Page 55: ...CER 220PF 50V 1 NP0 0402 C1005C0G1H221F05 TDK Corporation 0BA D1 1 5 6V Diode Zener 5 6V 500mW SOD 123 MMSZ5232B 7 F Diodes Inc D2 1 Green LED Green SMD LG L29K G2J1 24 Z OSRAM D3 1 Red LED Super Red...

Page 56: ...Br U5 1 Mixed Signal MicroController RGC0064B MSP430F5528IRGC Texas Instruments Y1 1 Crystal 24 000MHz 18pF SMD ABM8 24 000MHZ Abracon Corportation B2 T Y2 1 OSC 40 MHz 3 3 V SMD 625L3C040M00000 CTS E...

Page 57: ...w ti com Revision History Revision History DATE REVISION NOTES June 2015 Initial release 57 SNOU138 June 2015 Revision History Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporat...

Page 58: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Page 59: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 60: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 61: ...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 USE L...

Page 62: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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