面向Virtex™-II Pro FPGA的DDR2 SDRAM存储器接口 Application Note: Virtex-II Pro Family R DDR2 SDRAM Memory Interface for Virtex-II Pro FPGAs XAPP549 (v1.2) April 30, 2007 Author: Maria George Summary This application note describes a DDR2 SDRAM memory interface for Virtex-II Pro FPGAs. Architecture This DDR2 SDRAM memory interface has a 72-bit data width. The data bus must be placed on either the left or right side banks in the FPGA; the data bus can……