COM2449-1
FEATURES o RS-449 patible inputs and outputs o Maskable Interrupts for RS-449 inputs o Synchronous and Asynchronous Full Duplex or
Half Duplex Operations
ORe-programmable ROM on-chip baud rate generator o Synchronous Mode Capabilities -Selectable 5 to a-Bit Characters -Selectable 1 or 2 SYNC Characters -Internal or External Character Synchronization
- Transparent or Non-Transparent Mode
- Transparent mode DLE stuffing (Tx) and detection (Rx) -Automatic SYNC or DLE-SYNC Insertion -SYNC, DLE and DLE-SYNC stripping -Odd, Even, or No Parity
- Local or remote maintenance loop back mode o Asynchronous Mode Capabilities -Selectable 5 to a-Bit Characters plus parity -3 Selectable Clock Rates (1X, 16X, 64X the Baud Rate)
- Line Break Detection and Generation -1, 11/2, or 2-Stop Bit Detection and Generation
- False Start Bit Detection
- Odd, Even, or No Parity
- Parity, Overrun, and framing error detect
- Local or remote maintenance loop back mode -Automatic serial echo mode (echoplex) o Baud...