3540 PC/104 serial interface module

The 3540 PC/104 serial interface module provides four software-selectable RS-232, RS-422, or RS-485 ports. RS-232, RS-422, or RS-485 mode may be selected independently via software command for each of the four ports, eliminating the need for setting jumpers or DIP switches. The board is designed using the XR16C864 UART, which provides a 128-byte FIFO, 8 times larger than boards designed with 16C550 compatible parts. The larger buffers allow error free operation even in high-speed applications.

Sealevel Systems, Inc.
October 6th, 2011
  • 3540 PC/104 serial interface module (from Sealevel Systems, Inc.)Each port software selectable for RS-232, RS-422, or RS-485
  • 16C864 buffered UART with 128-byte FIFOs
  • Data rates to 921.6K bps
  • Automatic RS-485 enable/disable
  • Termination, pull-ups, and pull-down resistors for each port are software selectable
  • Right-angle available for OEM opportunities, 40-pin vertical header connector standard

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