一个设计高速度XC9500XV的规划 Application Note: CPLD R Planning for High Speed XC9500XV Designs XAPP361 (v1.0) August 8, 2001 Summary CPLD design has advanced significantly beyond that of fast PAL design. Today's CPLDs must operate in systems that include microprocessors, memories, I/O devices, buses, multiple power supplies and multiple frequency clocks. The actual logic design is frequently minor with ……