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CCS/TMDSEMU110-U: (Error -267 @ 0x0) The controller could not detect valid target supply.

Part Number: TMDSEMU110-U

Tool/software: Code Composer Studio

Hi,

I have a new XDS110 USB debug probe and unable to debug my custom F20827 board from the same. I can successfully debug custom board using a modified launchpad xds100v2 debugger.

During JTAG path test I get following error.

This error is generated by TI's USCIF driver or utilities.

The value is '-267' (0xfffffef5).
The title is 'SC_ERR_XDS110_TARGET_SUPPLY'.

The explanation is:
The controller could not detect valid target supply. Check target
JTAG connection and/or connection setting specifying voltage level.

[End: Texas Instruments XDS110 USB Debug Probe_0].

I can access XDS110 using xdsdfu, successfully downloaded new firmware to board.

I have connected 5JTAG pins to CTI20 pin connector. I have also connected VTref pin to 3.3V, (VDDIO).

Please find my ccxml file.

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<configurations XML_version="1.2" id="configurations_0">
<configuration XML_version="1.2" id="Texas Instruments XDS110 USB Debug Probe_0">
<instance XML_version="1.2" desc="Texas Instruments XDS110 USB Debug Probe_0" href="connections/TIXDS110_Connection.xml" id="Texas Instruments XDS110 USB Debug Probe_0" xml="TIXDS110_Connection.xml" xmlpath="connections"/>
<connection XML_version="1.2" id="Texas Instruments XDS110 USB Debug Probe_0">
<instance XML_version="1.2" href="drivers/tixds510c28x.xml" id="drivers" xml="tixds510c28x.xml" xmlpath="drivers"/>
<platform XML_version="1.2" id="platform_0">
<instance XML_version="1.2" desc="Experimenter's Kit - Piccolo F28027_0" href="boards/expkitF28027.xml" id="Experimenter's Kit - Piccolo F28027_0" xml="expkitF28027.xml" xmlpath="boards"/>
</platform>
</connection>
</configuration>
</configurations>

Kindly advice.