We are using this microcontroller (TM4C1233H6PM) within an assembly. We were running the assembly through some thermal testing, and noticed that it was failing at ~70 degrees C (operating upper limit is 85 degrees C). Specifically communication would cut out after the 5th bit of an 'S' command. Through troubleshooting, we ended up putting a 1K resistor in between (in series) the buffer and microcontroller, and the assembly now functions at higher temperatures. Does anyone know what could explain this?
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