Inverter building using Wiseguys Power board and the Nano drive board

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KeepIS Guru Joined: 13/10/2014 Location: Australia Posts: 1768	Posted: 02:14am 09 Jun 2024       This may be of some interest from bits and pieces of random searching: It appears that BOR has two options. 1: Somewhere between 2.5 to 2.9 volts - This voltage is fixed and depends on device tolerances. 2: 4.0 to 4.6 volts - As above The brown-out detect voltage has hysteresis to ensure spike free detection, typically around 80mv. The 1.8 volts I mentioned appears to be Power On reset voltage when the reset pin is tied to VCC, and not Brown out reset as I had read in forums. This can be, and is, obviously disabled in these boards. Further reading indicates that these Nano chips are designed in two variations. A Rugged Motor Vehicle version with ESD protection etc, and a lower cost version we use does without? Either way, I feel it indicates that the Core design is sound and has a lot of history. I think I've found a source for the full data file, about 10Mb long, I just can't access the some sites at the moment, and this is one. .