CDC Ethernet Emulation Model (EEM)

MCCI's branded CDC EEM Driver solution is available now for network connectivity, product development, and system testing. The CDC EEM specification is an update to the CDC Ethernet specification. Unlike CDC Ethernet, EEM does not extend an interface across the USB bus but instead considers the USB bus to be a vehicle for moving Ethernet packets.

Applications of the MCCI CDC EEM Host Side Driver include:

  • Testing USBSIM cards or accessing USBSIM cards in Windows applications from Windows XP to Win8 (note that special hardware may be required for this use case)
  • Connecting embedded systems to PCs
  • Connecting smart products such as printers to PCs, so that the user experience using USB is identical to the user experience using Ethernet
  • Providing network connectivity on hardware with limited USB functionality

EEM driver stack

Although MCCI's EEM support is the fastest in the industry, the EEM protocol has limited throughput when compared to other protocols such as NCM. If your product has high data throughput requirements, and you are flexible in terms of USB protocol selection, MCCI suggests you consider one of these alternatives.


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