Datasheet

Test Procedure

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7 Test Procedure

7.1 Download Firmware Codes to UCD3138CC64EVM-030

See Figure 5 to set up the EVM connection.

1. Set up the EVM connection based on Figure 5. The LED of USB adapter lights up.

2. Use the provided jumper jump across J2. The LED of the EVM lights up.

3. Launch the UCD31xx device GUI following the steps described in Section 6.1.3. The window shown in

Figure 6 appears.

4. Click Firmware Download and a new window appears as shown in Figure 7. Click Select File and

browse an intended firmware code file with file extension .x0, for example, cyclone.x0. Then click

Download. TI recommends not writing the program checksum (stay in ROM) during firmware

development or debug state. The firmware of cyclone.x0 downloads to the device UCD3138 on the

board of UCD3138CC64EVM-030. When asked, click yes to complete the download. Click Close to

exit the download window.

5. After the firmware codes download to the UCD3138 device, the intended test can be performed. For

example, with the provided firmware cyclone.x0, one can observe voltage toggled between 0 V and 3.3

V on test point TP7.

7.2 Erase Firmware Codes from UCD3138CC64EVM-030

Erasing the downloaded firmware codes from UCD3138 flash memory can be made with the steps below

based on Figure 6.

1. Click Device ID

2. Click Command Program to jump to ROM (SendByte.0xD9)

3. Click Erase/Set PFlash: 0xFF

7.3 Equipment Shutdown

1. Exit the GUI

2. Disconnect the USB cable and the ribbon cable

Figure 6. UCD31xx Device GUI

Control Card for Digitally Controlled Isolated Power Converters SLUU886A–February 2012–Revised July 2013

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