If you are using software serial (SERIN/SERIN2) then yes if the ADC and comparators (for the "877A") are shut off. Can not remember if the 877 has comparators. Check the DS.
If you are using software serial (SERIN/SERIN2) then yes if the ADC and comparators (for the "877A") are shut off. Can not remember if the 877 has comparators. Check the DS.
Dave
Always wear safety glasses while programming.
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