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LowLimit input of Comparator (COMP)

Last Updated: May 29, 2011

I am using COMP user module with the LowLimit input connected to output of PGA, placed in adjacent CT block. But the LowLimit input is not coming as desired.


If the adjacent CT block used as LowLimit source, this block should be used in Gain mode (Gain bit of CR0 register should be “1?). E.g. PGA UM gain should be equal to or greater than 1. Because LowLimit input connected directly to adjacent block’s opamp output and if this block is in Loss mode then the received LowLimit value is not correct (does not match the calculated value).

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