参考设计：带有 OPB 中心 DMA 的 MCH OPB EMC Application Note: Embedded Processing R Reference System: MCH OPB EMC with OPB Central DMA XAPP923 (v1.2) June 5, 2007 Author: Sundararajan Ananthakrishnan Summary This application note demonstrates the use of the Multi-CHannel (MCH) On Chip Peripheral Bus (OPB) External Memory Controller (EMC) in a MicroBlaze processor system. The MCH ports of the MCH OPB EMC connect to the cache ports of the MicroBlaze processor……