Chatsworth, Calif. February 27, 2008 –Aitech Defense Systems Inc., the world’s first and largest independent manufacturer of open architecture board and subsystem level products for harsh environment defense, aerospace and astronautics applications, now offers a compact, multi-I/O PMC that provides a variety of configuration options for the highest levels of flexibility in different I/O environments. 

The low power, single-width M705 features an unprecedented level of PMC density with up to five dual channel, dual-redundant MIL-STD-1553B channels, 16 ARINC-429 receive channels and eight ARINC-429 transmit channels, up to six RS-232/422/485 serial channels and eight opto-isolated digital discrete input channels, all of which reduce the number of I/O cards required when developing subsystems.  Additional board options include an ARINC 708 Weather Radar interface contained as VHDL within the large on-board FPGA.

The extensive number and types of channels available on the new PMC, coupled with its low power consumption of typically less than 7.5 W and exceptional shock and vibration resistance, make the M705 ideal for a diverse range of I/O applications.  These include tactical avionics platforms such as F-18 or V-22 mission computers as well as mission data recorders.

The MIL-STD-1553 (STANAG 3838) channels support BC/RT/MT operation modes and offer 128K bytes (64K words) of dual-port RAM per channel.  All ARINC-429 channels fully comply with the AEEC adoptions of the ARINC-429 specifications and provide both high and low speed operation: 100 kbps and 12.5 kbps, respectively.  The six UART channels feature a global interrupt source register and two of the channels can provide full modem flow control lines (RTS, CTS, DTR and DSR).  The discrete input channels serve as general purpose I/O ports that connect to the GPIO FPGA, but are primarily used to externally assign the RT address to the MIL-STD-1553 channels.

The M705 has a 32-bit/66 MHz PCI 2.2 interface that supports both +5 V and +3.3 V PCI universal signaling levels. The conduction-cooled version per ANSI/VITA 20-2001 routes all signals to the rear P4 connector and the IEEE 1386-2001 air-cooled version can be equipped with connectors for front panel I/O signal routing. 

The PMC is available in the widest temperature range of -55°C to +85°C (-67°F to +185°F) and with software in rugged and military levels of ruggedization.  Software for the M705 includes a complete software driver package supporting all on-board resources and built in test (BIT), initially through the WindRiver VxWorks 5.x and 6.x operating systems. 


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