> Yes, and 0 V lies right in the middle of that, and teh behaviour is apt to > be undefined.
The behaviour for RS232 control lines is not undefined. O volts is unequivocally OFF. In practice, the same receivers are used for data lines. The significance of the transition region is that drivers have to be monotonic in that range. It's not a requirement on receivers. _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
