| Features |
| RS-485 ADDC (Automatic Data Direction
Control) with no baud rate switch setting hassle |
| RS-422 supports CTS,
RTS signals for hardware flow control |
| Over current protection |
| All RS-422/485 signals
provide surge protection (25 KV ESD) |
| All RS-422/485 signals support optical
isolation protection up to 2 KV DC (A53 only) |
| Built-in termination
resistors (selectable) |
