Embedded Open Modular Architecture/EOMA68/EngineeringBoard

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Revision as of 13:17, 18 September 2011 by Lkcl (talk | contribs) (Connectors and Components)
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All-in-one Engineering Board

The purpose of an All-In-One Engineering Board is to create a Reference Platform that can either be used as-is (by end-users with no access to PCB facilities) or cut-down to size by ODMs for a particular less-demanding purpose. Despite having similar features and purpose, the example Engineering Board is approximately the same size as a Pandaboard. However: unlike the Beagleboard and the Pandaboard, any EOMA/PCMCIA-compliant CPU card can be deployed.

Designs based around this all-in-one Example Engineering Board can therefore be made with the confidence that even if the CPU chosen at the beginning of a product's lifecycle turns out not to be sufficiently powerful, an alternative EOMA/PCMCIA-compliant CPU card can be chosen off-the-shelf without jeapordising the viability of the product.

Connectors and Components

The list of connectors and components is much larger than those of the Mini Engineering Board, as this board is more of a "Kitchen Sink" by design. Excluding those already on the EOMA/PCMCIA CPU Card, the connectors include:

  • 3x USB2
  • eSATA-II
  • DVI and/or VGA
  • 10/100 Ethernet
  • PCMCIA Connector (signals conforming to EOMA/PCMCIA Standard)
  • Full-sized SD/MMC Slot
  • 5V Power

On the EOMA/PCMCIA CPU Card itself, it is not possible to dictate what connectors will be on the CPU Card (except an EOMA-compliant PCMCIA interface), but a typical example card might have:

  • 1x USB-OTG
  • Micro-HDMI
  • Micro-SD/MMC
  • 3.5mm 3-pin or 5-pin Audio Jack
  • 3.5mm Camera In/Out Jack (S-Video or other)

Components on the Engineering Board might include:

  • TI SN75LVDS83b RGB/TTL-to-LVDS converter
  • Chrontel CH7036 LVDS-to-DVI/VGA converter
  • 2x GL850G 4-port USB Hubs
  • RT3070 USB-based 802.11bgn WIFI "SIP" Module
  • GPS "SIP" Module
  • Bluetooth "SIP" Module
  • GL832 USB-to-SD/MMC Module

So overall, the combination of interfaces and capabilities offered by this example EOMA/PCMCIA-compliant "Kitchen Sink" board rivals and in some cases exceeds those of the Pandaboard, the Origen Exynos 4210 and others, yet it is similar in size and form-factor.

4in engineering pcmcia board.png