Sep 11, 2018
01:52 PM
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Sep 11, 2018
01:52 PM
Has anyone ever seen data that was previously written to the EEPROM disappear? I'm seeing an issue on about 10% of our devices using the CY8C5668AXI-LP010 PSoC have randomly lost settings the next time they are powered on.
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3 Replies
Sep 12, 2018
06:37 AM
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Sep 12, 2018
06:37 AM
Please confirm whether you acquire the temperature before EEPROM write functions. For more details please refer to section: Working with Flash and EEPROM of PSoC 5LP System Reference Guide
Sep 12, 2018
07:07 AM
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Sep 12, 2018
07:07 AM
Make darn sure that there is no power loss during the time the eeprom is written to.
Bob
Sep 12, 2018
10:05 AM
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Sep 12, 2018
10:05 AM
Thanks for the info! I was able to verify that we are calling CySetTemp() before writing to the EEPROM. The only thing I have not been able to verify yet is whether or not the device is losing power in the middle of a write.