Features

• Each port individually configurable for RS-232, RS-422, or RS-485

• Ultra high-speed UART with 256-byte Tx and Rx FIFOs

• Supports asynchronous RS-232 data rates to 230.4 Kbps and RS-

422/485 data rates exceeding 1 Mbps

• Bus-derived 125 MHz BRG and clock prescalar support wide range of

baud rates

• All modem control signals implemented in RS-232 mode

• Automatic RS-485 enable/disable in hardware

• RS-485 line termination, pull-up and pull-down resistors for each port

are selectable via dipswitches

• RS-485 ECHO can be enabled/disabled via dipswitches

• PCI Express X1 compliant

• Compatible with all standard size PCI Express slots

• Included 36″ cable terminates to four DB9M connectors (Item# CA143)