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Ref:MSP430G2211 Comparator Logic

parthiban rayappan
Intellectual 430 points
Other Parts Discussed in Thread: MSP430G2211

Hello Friends....

We are using msp430g2211 in our project. our application needs to compare two different incoming signals. our doubt is, is it possible to use two comparator in msp430

Simultaneously....? or we go for another micro controller having two separate comparators....?

  • 0
    Genius 4925 points

    If you really need to compare both signals at the same time versus a reference (V1 > Vref and V2 > Vref ?), from my understanding the Comparator_A+ module is not able to do that as it only contains one comparator with a multiplexer in front, so only one channel can be compared at a time, then you can switch the channel and compare the next. I don't know if that delay would kill your application or if it can tolerate that.

    If you need to compare the two signals against each other (e.g. V1 > V2 ?)  - that should be possible as you can route one signal to the + and one to the - input of the comparator.

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