Because of the Thanksgiving holiday in the U.S., TI E2E™ design support forum responses may be delayed from November 25 through December 2. Thank you for your patience.
Tess Chen,
Thank you for the questions.
For RS232, there is a indeterminate region between -3V to +3V. Within this range, data in this range cannot be interpreted by the standardized receiver. The idle state for RS232 is to output low voltage = ~-12V…
