Synergy Rolls Out New High-density ARINC 429 Interface Modules

7/2/2004 - Synergy Microsystems, Inc. (Synergy), a leading developer of board-level solutions for real-time embedded applications, announced the release of a new line of ARINC 429 PMC modules that provide a complete, integrated interface with the widely deployed 32-bit avionics databus protocol. Now shipping are the PARCTM ARINC 429 Communications PMC, which has up to 16 receive and eight transmit channels, and the PARDTM, which supports up to eight receive and four transmit channels. Both modules have built-in redundancy and ARINC 575 support. Additionally, the PARD enables each transmitter’s output to be independently placed in a tri-state (high-impedance) mode enabling it to switch-over to a secondary redundant “master” module in another chassis located on the same ARINC bus.

“Synergy’s new line of PMC modules addresses our customers’ need to easily interface high-performance single-board computers with the standard avionics databus protocol,” said Jeff Smith, product manager for Synergy. “These PMCs allow embedded ARINC 429 applications to take full advantage of Synergy’s next-generation, gigahertz-plus processing capability.”

Efficient Data-handling
Designed to support maximum data throughput on all channels, the PARC and PARD both provide 32 x 32 FIFO, selection of data rate and parity, error detection and programmable buffer sizes. Each channel can be individually configured to run either high (100 kbps) or low (12.5 kbps) bit rates. “Current value” buffer mode is provided for transmit channels, and double buffering is supported on all receive channels. Configurable I/O Both PARC and PARD modules have up to eight general-purpose input/output (GPIO) ports, which can be configured as either single-ended or differential. They are RS-422 and TTL-compatible, with optional RS-232/423 and CMOS support. The default configuration is to access the GPIO ports discretely; however, the same GPIOs can be custom-programmed via the on-board FPGA to support applications with unique serial protocols.

Ruggedized COTS
Both PMC modules are designed to meet the strict environmental requirements of avionics platforms in both commercial and military airframes, offering complete, integrated databus functionality for either air-cooled or conduction-cooled systems. The air-cooled configuration supports an extended-temperature range of ­20 to +70 C, while the conduction-cooled version, with extended ruggedization capability, will withstand extreme ranges of ­40 to + 85 C.

Software Support
Synergy board-support packages ease out-of-box deployment and reduce the time needed to integrate ARINC 429 and other protocols into your application. High-level Application Program Interface (API) support for both VxWorks and Linux comes standard with both PARC and PARD PMC modules. Synergy’s new ARINC 429 PMC modules are currently available at a starting price of $1,516.

About Synergy
Synergy Microsystems, Inc. ( specializes in the design, manufacture and integration of single- and multi-processor, single-board computers for VME and CompactPCI systems to meet the needs of demanding real-time applications in military, aerospace, DSP, and industrial/commercial markets. Synergy has a long track record of extracting the highest possible performance from current and emerging SBC technologies, then supporting these technologies through extended product lifecycles. In business since 1985 under the original ownership, the corporation is privately held, with facilities in San Diego, CA. and Tucson, AZ.

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