Direct connect device core: design and applications

  • Authors:
  • O. Elkeelany;G. Chaudhry

  • Affiliations:
  • Computer Science and Electrical Engineering Division, School of Computing and Engineering, University of Missouri-Kansas City, 5100 Rockhill Rd, Kansas City, MO;Computer Science and Electrical Engineering Division, School of Computing and Engineering, University of Missouri-Kansas City, 5100 Rockhill Rd, Kansas City, MO

  • Venue:
  • Integration, the VLSI Journal
  • Year:
  • 2004

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Abstract

In this paper, we present the design and synthesis of "Direct Connected Device Core" (DCD-Core) as a low cost and low power consumption embedded system, which includes an electrical erasable programmable read only memory (EEPROM) controller for configurable address assignments. The main function of DCD-embedded system is to eliminate the operating system processing of network protocol stack running by personal computers CPU and simplifying network connection requirements. Not only the hardware solution requires connection simplification, but also it improves network performance. Our DCD-Core utilizes the concept of network channels, where Ethernet frames are delivered through a custom multicast addressing scheme. After validating DCD-Core embedded system simulation outputs, we synthesize the design in FPGA chip using Verilog Hardware Description Language (HDL). Performance measures like power consumption and area utilization are computed using Verilog HDL synthesis tools. Initial performance measures had shown that the DCD-Core reduces the power consumption. Thus, network devices may be powered through the network cable and eliminate the process of regular electrical power outlet installations and maintenance. This way, DCD-Core reduces the connection complexity in terms of device installations, especially for large number of devices (e.g. surveillance system cameras).