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The Sy629PCIe-BPM card provides a convenient means for transmitting and receiving data over an ARINC 629 bus in accordance with the transmit and receive programme defined by data written into the XPP and RPP memory.

 

The use of the recognised DATAC chip ensures full compliance with ARINC 629 specification with Basic Protocol (BP).

 

ARINC-629 Input/Output is via a 9-way D-Type socket on the PCIe card faceplate. All other I/O are accessible from a 25-way D-Type socket on the rear of the card.

 

PCIe is essentially transparent to the user and the card appears as a PCI interface to the host. This ensures compatibility with Sycos PMC and PCI solutions.

 

The card provides configuration registers which allow the host to:

 

- Automatically identify the module and its revision   status.

- Assign address space for the module’s data buffer   memory and registers. (Plug-in and Play).

- Control and monitor the PCI bus interface to the   module.

- Read module interrupt configuration as assigned by   the POST software as it initialises and configures   the system.

 

Additional features designed into the module are:

 

- 16 Independent Cyclic-Data-Buffers, each with a   capacity for 4k x 32-bit words.

- Direct access to the Cyclic-Data-Buffer Read / Write   Pointers.

- High resolution time-stamping of received data.

- PCI interrupts on Module Events.

- Direct access to Module registers and application   memory.

- Interface compatible with 32bit PCI Local bus   Specification, revision 2.1, June 1995.

  

The PCIe module is designed to be used in a "Plug-in and Play" environment which is made possible, not only by the choice of PCIe interface, but also by the provision of various identification and module present registers. These include:

 

- Device ID

- Vendor ID

- Subsystem ID

- Subsystem Vendor ID

- Module ID

 

Using these registers the host can detect the presence of the module, determine if this is consistent with system requirements and respond accordingly by configuring the system or reporting system deficiencies.