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IP.com Disclosure Number: IPCOM000008806D
Original Publication Date: 1998-Sep-01
Included in the Prior Art Database: 2002-Jul-15

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Scott Pappas Peter Romero Rachel Mickelson Poojan Wagh


When a communication device sends data to another device or processor, the maximum data transfer rate between the two devices is sometimes not easily quantified, especially when the devices are microprocessors. The communication rate is determined by 2 factors: 1) The physical transfer rate of the interface which bounds the maximum data throughput across the interface and 2) The actu- al rate that data gets sent across the interface, e.g. the data is sent at the physical transfer rate but not continuously. The cm-rent procedure for measuring the maximum data rate between two devices is through the use of hardware test equipment or microprocessor simulators, so as to manually exam- ine the data flowing between each devices. This method is adequate but time consuming. Also, re- analysis of the data is required whenever: 1) The loading of the processors or devices change. 2) Software or hardware changes occur within the device. This re-analysis of the data requires too much time due to manual analysis.