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Problem with EMC1001 on my Xpress board

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2018/11/06 03:50:48 (permalink)

Problem with EMC1001 on my Xpress board

Hi - My project uses the EMC1001 temperature sensor present on the PIC16F18855 MPLab Xpress development board.
However, bit 5 of the EMC1001 status register does not get set when the 'Temp Low Limit' is exceeded; according to data sheet Tint </= TL.
Everything else works fine, and I am confident that my code is correct as I am able to correctly write to and read from the appropriate registers  the desired temperature limits ( including that for the temp low limit ) and hysteresis, and the correct status register bits are set when other limits are exceeded. Also I have Config Register = 32. I would be very happy and my project would be complete if I could flag the temp low limit.
So what is going on with the temp low limit status bit and why does this never get set? Has anyone else noticed this problem and can suggest a solution. I would be interested to know. By the way, I have three Xpress boards and the problem with the temp low limit is the same with each.
Rgds Spacerowa


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