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FPGA-Based Verification Methodology of SOC-Type CMOS Image Signal Processor

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This paper describes a FPGA-based verification methodology for the Image Signal Processor (ISP) of System-on-Chip (SoC) type CMOS image sensor. To make a verification environment, the complete ASIC prototyping system, the ARM7 TDMI CoreTile board and external interface boards - the sensor board, the USB board and the switch board - are used. As a verification method, 4-step verification strategy comprised of ARM core based platform verification, system verification, algorithm verification and performance verification is used. Through this method, the 2M-pixel/3M-pixel ARM based ISP of CMOS image sensor is verified very effectively before tape-out.