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problem with calculating internal tempwerature with STM32F105

Question asked by xadamus on May 16, 2012
Latest reply on May 17, 2012 by fm
I have a problem with calculating internal temperature with STM32.
When processor VCC is 3.3V everything is ok - temperature is almoast accurate with wide temerature range.
But whet processor VCC is below 3V temperature falls much below zero ( -40stC, -100stC etc...).
Where can be a problem ?

with best regards