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GUI Walkthrough Guide

(d) Click “Save” and click "OK" to the message that pops up:

(e) Click "Yes" to the next dialog box that opens:

25

SCDU004 – March 2013

TCA8424 Evaluation Module

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Copyright © 2013, Texas Instruments Incorporated

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Содержание TCA8424

Страница 1: ...CA8424 EVM Schematic 4 6 2 Printed Circuit Board PCB Layout 5 6 3 Bill of Materials 9 6 4 VCC and GND Connections 11 6 5 MSP430 Launchpad Interface 11 6 6 Breakout Pins 12 6 7 LED Outputs 13 7 Launchp...

Страница 2: ...more information on proper handling see the Electrostatic Discharge ESD application note SSYA008 The information in a caution or a warning is provided for your protection Please read each caution and...

Страница 3: ...velopment costs smaller package and lower power consumption The lower development costs are seen due to the TCA8424 requiring programming of only 512 Bytes of OTP versus a full code stack on a microco...

Страница 4: ...ials and Connection Descriptions 6 1 TCA8424 EVM Schematic Figure 1 shows the schematic for the EVM The connections on the EVM are briefly explained in the subsequent sections Figure 1 TCA8424 EVM Sch...

Страница 5: ...scriptions 6 2 Printed Circuit Board PCB Layout Figure 2 to Figure 5 show the PCB layouts for the TCA8424 EVM Figure 2 Layer 1 Top Side 50 Signal Layer 5 SCDU004 March 2013 TCA8424 Evaluation Module S...

Страница 6: ...cuitry Bill of Materials and Connection Descriptions www ti com Figure 3 Layer 2 Int1 Ground Plane 6 TCA8424 Evaluation Module SCDU004 March 2013 Submit Documentation Feedback Copyright 2013 Texas Ins...

Страница 7: ...Circuitry Bill of Materials and Connection Descriptions Figure 4 Layer 3 Int2 50 Signal with Ground Fill 7 SCDU004 March 2013 TCA8424 Evaluation Module Submit Documentation Feedback Copyright 2013 Te...

Страница 8: ...Circuitry Bill of Materials and Connection Descriptions www ti com Figure 5 Layer 4 Bottom Layer 8 TCA8424 Evaluation Module SCDU004 March 2013 Submit Documentation Feedback Copyright 2013 Texas Instr...

Страница 9: ...U 10P 1X10 FEMALE SIN GLE ROW 100LS 200TL 13 6 SAMTEC TSW 101 07 G S P3 P4 P5 P6 P10 P11 HEADER THU 1P MALE SINGLE ROW 100TL 14 5 TE Connectivity 9 146281 0 02 P12 P13 P14 P15 P16 15 1 TE Connectivity...

Страница 10: ...1 2K 30 0 BOURNS 3313J 1 204 R14 PlaceHolder DO NOT INSTALL 32 0 PANASONIC ECJ 1V41E105M C13 PlaceHolder DO NOT INSTALL 33 1 Texas Instruments TCA8424RHAR U1 TI device to be used in Socket 34 5 TE Con...

Страница 11: ...mming and needs an external supply Figure 6 VCC and GND Connections 6 5 MSP430 Launchpad Interface Headers P8 and P9 allow the EVM to interface with the MSP430 Launchpad If not programming a unit jump...

Страница 12: ...TCA8424 allowing an external host to communicate to the TCA8424 Figure 8 Breakout Pins Table 2 Header Configurations for P1 P2 and P7 P1 P2 P7 Row15 pin 16 Row14 Col7 Col6 GND pin 1 Row13 Row12 Col5...

Страница 13: ...puts that are set via the HID SET Report Command in the GUI discussed in Section 9 part D Board LED1 TCA8424 LED0 Board LED2 TCA8424 LED1 Board LED3 TCA8424 LED2 Board LED4 TCA8424 LED3 Figure 9 LED O...

Страница 14: ...nchpad unplugged configure the headers on the Launchpad to match the yellow box in the image below The right 3 headers are vertical and the left 2 are horizontal 3 With the Launchpad still unplugged r...

Страница 15: ...code to the MSP430G2553 microcontroller Once completed disconnect the USB cable from the LaunchPad 6 After completing steps 1 5 to load the code at any point for any reason simply open the workspace...

Страница 16: ...s extracted in step 1 3 The following window pops up Click Install 4 After finishing the installation the GUI opens and looks like this 5 To open the GUI in the future simply double click on the TCA84...

Страница 17: ...d the USB connector should open towards J1 3 Connect the Launchpad to your PC B Initiating the connection from the GUI to the Launchpad 1 Open up the device manager on your PC and find which of the CO...

Страница 18: ...ow 4 Click this box and a list of COM ports will pop up Select the COM port that is associated with the Launchpad which was identified in step 1 COM 15 from a local installation is shown for illustrat...

Страница 19: ...tons and inputs C Changing the I2 C Address The I2 C address in this GUI is referenced with the Read and Write bit included An address of 0xA8 is represented in binary as 1010100Xb with the last bit b...

Страница 20: ...e I2C address button to communicate this to the Launchpad If the Launchpad is restarted the I2 C address will default again to 0x76 and must be changed again if you are working with a different I2 C a...

Страница 21: ...nged by clicking the LED buttons 2 The LED inputs for the SET Report command change to read 1 with a green background when clicked and change back to 0 with a red background when clicked again 3 After...

Страница 22: ...ER WAKE command turns the LED s back on after a Sleep command has been issued This is done by clicking the Set Power Wake command 6 The Reset button issues the RESET HID Command and the device resets...

Страница 23: ...ice behavior please see the COMMAND and DATA REGISTER section of the datasheet 8 The Read Report button issues an unaddressed read command to the TCA8424 It populates the same text box as the Get Repo...

Страница 24: ...olumn for the OTP contents The image below shows a properly formatted excel file with the blue box indicating a break in the 512 byte contents b Click the Office button and then click Save as c In the...

Страница 25: ...uide d Click Save and click OK to the message that pops up e Click Yes to the next dialog box that opens 25 SCDU004 March 2013 TCA8424 Evaluation Module Submit Documentation Feedback Copyright 2013 Te...

Страница 26: ...e two dialog boxes that show up as shown below 2 Now that we have a csv the OTP contents can be programmed Click the Load OTP button as shown below 26 TCA8424 Evaluation Module SCDU004 March 2013 Subm...

Страница 27: ...file created earlier 4 This populates the text box above the Load OTP button with the contents of the csv file This text box is fully editable as long as the contents remain in the same format 27 SCD...

Страница 28: ...w that the start location number of bytes and the OTP contents are in place we are ready to program the OTP Upon completion the following dialog box should appear 7 The first byte of the OTP Address 0...

Страница 29: ...elow 9 Now that the OTP contents are changed and the I2 C address in the Launchpad is set confirm that what was actually programmed matches what we tried to program a Click on the Read OTP button to r...

Страница 30: ...rrent OTP Contents are the same length They must match exactly for dialog box to change to Match After Programming the OTP the device will be in TEST mode until powered down and then powered up again...

Страница 31: ...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...

Страница 32: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TCA8424EVM 038...

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