Texas Instruments DS280MB810EVM, User Manual, Page: 17 / 28

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Common Problems and Possible Solutions
17 SNLU213A – October 2016 – Revised September 2019
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DS280MB810EVM User’s Guide
6 Common Problems and Possible Solutions
PROBLEM ADDITIONAL INFORMATION POSSIBLE SOLUTIONS
Cannot power on the
EVM.
2.5 Volt Power.
D35 LED is off.
• J198: jumper pins 1-2 tied.
• J207: jumper pins should be set to float.
• Verify configuration with Figure 4 .
3.3 Volt Power.
D35 LED is off.
• J198: remove jumper shunt, pins 1-2 cannot be tied in
order to enable 2.5 V regulator.
• J207: jumper pins 10-9, 8-7, 6-5, 4-3, and 2-1 tied.
Cannot program with an
interface adapter in
SMBus Slave Mode.
SigCon Architect is operating in Demo
Mode.
• Verify the jumper settings are correct ( Figure 4 ).
• Verify the slave address is set to 0x30 for SMBus Slave
Mode.
• Verify the device is powered on.
• Update Firmware on EVM using “USB2ANY Explorer."
Never used SigCon Architect, and cannot
establish connection with device.
• Reinstall SigCon Architect. It is essential SigCon
Architect is closed during any portion of the installation
process.
Oscilloscope’s Output
Eye Diagram is not as
expected.
Pattern does not lock on oscilloscope.
• Transmit a signal from the BERTScope with a different
PRBS pattern. Once initial pattern lock is established,
re-attempt desired pattern.
• Transmit a signal from the BERTScope with a lower
frequency. Once initial pattern lock is established, re-
attempt desired frequency.
Eye diagram does not pass mask.
• Vary EQ Boost Settings as seen in Figure 8 .
Cannot burn EEPROM
Hex File to EEPROM
with SigCon Architect.
• SigCon Architect can only be used to generate the Hex
File. Another interface adapter must be used to burn
the Hex File to the EPPROM. (i.e. AARDVARK or
equivalent ).