Computer/Embedded Technology


PCI serial communication card

24 November 2010 Computer/Embedded Technology

Advantech’s PCI-1612A serial communication card leverages the ‘plug-and-play’ capability defined in the PCI 2.1 bus specification, and is available with up to eight ports depending upon the user’s application.

The board requires only one PCI slot within the personal computer and provides independent serial channels. All channels are addressed in a continuous 32-Byte I/O block for simplified software access and may also share one PCI interrupt. An interrupt status register is available for determining the interrupt source.

The PCI communication card comes with standard 16PCI954 UARTs containing 128-Byte FIFOs, which are available as an option. These upgraded FIFOs greatly reduce CPU overhead and are an ideal choice for heavy multitasking environments. The function library provides over 50 easy-to-use APIs specially designed for serial communication. Utility software allows the user to monitor or log data between two communicating devices and helps to acquire the data within a friendly user interface. Diagnostic functions make the installation process trouble-free.

The RS485 mode automatically senses the direction of incoming data and switches its transmission direction accordingly. This feature makes the network look and act just like an RS232 network. Application software written for half duplex RS232 can be used without modification. Moreover, the user can simply and quickly build an RS485 network with just two wires.



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