Computer/Embedded Technology


Miniature COM-based SBCs

21 February 2018 Computer/Embedded Technology

Diamond Systems unveiled its ultra-small COM-based Zeta single-board computer family. Highlights of the Zeta family include interchangeable COM Express modules for scalability and long product life, and extensive I/O, including a complete high-quality analog and digital data acquisition subsystem.

Designed in the COM Express Mini Type 10 form factor (84 x 55 mm), the Zeta family offers performance scalability due to its use of COM Express CPU modules. Three processor options are currently available: Intel ‘Bay Trail’ E3825 dual-core 1,33 GHz CPU with soldered 2 GB RAM; Intel ‘Apollo Lake’ E3940 quad-core 1,60 GHz CPU with soldered 4 GB RAM; Intel ‘Apollo Lake’ N4200 quad-core 1,1 GHz (burstable to 2,5 GHz) CPU with soldered 8 GB RAM.

Zeta’s I/O list includes a VGA display and single-channel LVDS port, dual Gigabit Ethernet, 4x USB 2.0 Ports plus 1x USB 3.0 port, 4x RS-232/422/485 ports with software-programmable protocol and termination, 16x digital I/O lines, optional complete analog and digital data acquisition system, and integrated wide-range 6 to 36 V power input circuit.

It is available in two I/O configurations, with digital I/O only or digital and analog I/O. The DIO-only circuit offers 16 DIO lines with selectable 3,3 V/ 5 V logic levels. The full circuit includes 16 channels of 16-bit A/D, 4 channels of 16-bit D/A, 27 digital I/O lines with selectable 3,3 V/ 5 V logic levels, and 8x 32-bit counter/timers, all supported by Diamond’s free Universal Driver data acquisition programming library.

A built-in heat spreader efficiently removes heat from the SBC to keep the processor and all internal electronics cooler for improved reliability. All three models of Zeta are tested for operation over the full industrial temperature range of -40°C to +85°C.



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