Abstract: System connection or communication rate of different groupwares in a system becomes a bottleneck which blocks the improvement of system performance in typical embedded system. This paper describes the difficulty that current bus encounters, introduces the protocol and application of high-speed SRIO interface and researches the application of SRIO in system connection of multi-processor and the loading technology based on SRIO. The experiment implements reading and writing operation in multi-DSP which can stably work at the rate of 3.125 Gb/s for every channel. The efficiency achieves 86%. The DSP can be loaded through SRIO.

Key words: system connection, serial RapidIO(SRIO), DSP loading

摘要： 在典型的嵌入式系统中，系统内不同组件之间的通信速率成为制约嵌入式系统性能的瓶颈。针对传统共享总线遇到的困难，通过分析高速串行RapidIO(SRIO)接口协议及其应用，研究SRIO在多处理器系统互连中的应用及基于SRIO的加载技术。利用该协议实现的多DSP读写操作的速率达到每通道3.125 Gb/s，效率达到86%，DSP可通过SRIO实现加载。

关键词: 系统互连, 串行RapidIO, DSP加载

CLC Number: 

• TP344