Computer/Embedded Technology


Embedded CPU with data acquisition offers ruggedness and small size

20 October 2004 Computer/Embedded Technology

Diamond Systems' Athena uses the VIA Eden processor family to deliver Pentium-III performance in a small, low-power embedded CPU that measures less than 107 x 114 mm.

Originally designed and used for a harsh-environment military vehicle application, Athena includes on-board memory, Ethernet, video, audio, and data acquisition to form a complete, rugged industrial CPU. All features, including memory, are soldered directly on board for maximum immunity to shock and vibration. Configuration jumpers can be optionally replaced with zero-Ω shunts for additional ruggedness.

Athena dissipates only 10 W and operates over the -40 to +85°C extended temperature range. It uses the same I/O connector types, locations, and pinouts as the company's Prometheus PC/104 CPU. This makes it easy for Prometheus users to upgrade to higher performance without having to make major changes to software, hardware, or cabling.

The built-in data acquisition circuit provides high-accuracy, stable 16-bit A/D performance with 100 kHz sample rate, wide input capability, and programmable input ranges. It includes four 12-bit D/A channels, 24 programmable digital I/O lines, and two programmable counter/timers. Placement of the analog circuitry away from the high-speed digital logic ensures low-noise performance for critical applications.

Free advanced driver software and technical support are provided for Linux, RT Linux, Windows 2000/XP/CE, QNX, DOS, and VxWorks operating systems. Two processor configurations are available: 400 MHz fanless with 128 MB RAM and 660 MHz fan-cooled with 128 MB RAM.



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